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GB/T 17853-2018: Tubular cored electrodes for stainless steels
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Tubular cored electrodes for stainless steels
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Basic data | Standard ID | GB/T 17853-2018 (GB/T17853-2018) | | Description (Translated English) | Tubular cored electrodes for stainless steels | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | J33 | | Classification of International Standard | 25.160.20 | | Word Count Estimation | 26,261 | | Date of Issue | 2018-05-14 | | Date of Implementation | 2018-12-01 | | Older Standard (superseded by this standard) | GB/T 17853-1999 | | Regulation (derived from) | National Standards Announcement No. 6 of 2018 | | Issuing agency(ies) | State Administration for Market Regulation, China National Standardization Administration | GB/T 17853-2018: Tubular cored electrodes for stainless steels---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
Tubular cored electrodes for stainless steels
ICS 25.160.20
J33
National Standards of People's Republic of China
Replace GB/T 17853-1999
Stainless steel flux cored wire
(ISO 17633.2010, Weldingconsumables-Tubularcoredelectrodesand
heat-resistingsteels-Classification, MOD)
Published on.2018-05-14
2018-12-01 implementation
State market supervision and administration
China National Standardization Administration issued
Content
Foreword I
1 Scope 1
2 Normative references 1
3 Model 1
4 Technical requirements 3
5 Test method 10
6 Re-inspection 12
7 Technical conditions for supply 12
Appendix A (informative) Chapter No. Comparison Table 13
Appendix B (informative) The technical differences between this standard and ISO 17633.2010 and their causes 14
Appendix C (informative) Flux cored wire type control 15
Appendix D (informative) Flux cored wire type description 19
Appendix E (informative) Protective gas type code 20
Appendix F (informative) Weld metal ferrite content 22
Foreword
This standard was drafted in accordance with the rules given in GB/T 1.1-2009.
This standard replaces GB/T 17853-1999 "stainless steel flux cored wire". And GB/T 17853-1999 "stainless steel flux cored wire"
The main content changes are as follows.
--- According to ISO 17633.2010 and China's actual application needs, increased 309H and other 12 gas-protected non-metal powder cored welding
Classification of silk chemical components, 316H and other 10 self-protecting non-metallic powder type flux cored wire chemical composition classification and 308L and other 13 gas
Body protection metal powder type flux cored wire chemical composition classification;
--- The requirements for model division, chemical composition and mechanical properties were adjusted according to ISO 17633.2010;
--- Removed the requirement for longitudinal bending test of welded joints;
--- According to ISO 17633.2010, the T-joint fillet weld test requirements have been added.
This standard uses the redrafting method to modify the use of ISO 17633.2010 "welding material gas protection and self-protection arc welding stainless steel
Flux Cored Wire and Filled Wire Classification (English version).
Compared with ISO 17633.2010, this standard has more adjustments in structure. Appendix A lists this standard and ISO 17633.2010.
Checklist of changes in the number of chapters;
There are technical differences between this standard and ISO 17633.2010. Appendix B gives the corresponding technical differences and their causes.
Watch list.
This standard also made the following editorial changes.
--- Change the standard name to "Stainless Steel Flux Cored Wire";
--- Added Appendix C flux core wire type control (informative appendix);
--- Added Appendix E protective gas type code (informative appendix).
This standard is proposed and managed by the National Welding Standardization Technical Committee (SAC/TC55).
This standard was drafted. Harbin Welding Research Institute Co., Ltd., Kunshan Jingqun Welding Material Technology Co., Ltd., Guangzhou special pressure equipment inspection
Research Institute, Tianjin Jinqiao Welding Material Group Co., Ltd., Sichuan Atlantic Welding Materials Co., Ltd., Tianjin Bridge Welding Materials Group Co., Ltd.
Company, Shanghai Shenjia Electric Welding Rod Co., Ltd.
Drafters of this standard. Yang Zijia, Cao Shuiying, Li Maodong, Li Sushan, Hou Jiechang, Jiang Yong, Li Dianzhen, Lin Xiaofeng, Chen Mo, Qi Wanli, Song Bei,
Su Jinhua, Ma Qingjun.
This standard replaces the previous versions of the standard as follows.
---GB/T 17853-1999.
Stainless steel flux cored wire
1 Scope
This standard specifies the type, technical requirements, test methods, re-inspection and technical conditions of supply of stainless steel flux cored wire and filler wire.
This standard applies to stainless steel flux cored wire for tungsten gas protection and self-shielded arc welding and stainless steel for tungsten inert gas protection welding.
The core filler wire (hereinafter referred to as "welding wire").
2 Normative references
The following documents are indispensable for the application of this document. For dated references, only dated versions apply to this article.
Pieces. For undated references, the latest edition (including all amendments) applies to this document.
GB/T 1954 chrome-nickel austenitic stainless steel weld ferrite content measurement method (GB/T 1954-2008, ISO 8249.2000,
MOD)
GB/T 2652 Weld and deposited metal tensile test method (GB/T 2652-2008, ISO 5178.2001, IDT)
GB/T 3323 metal fusion welding joints radiography
GB/T 4334 Corrosion test method for corrosion of stainless steels of metals and alloys (GB/T 4334-2008, ISO 3651-1.
GB/T 16672 Definition of dip angle and corner of weld working position (GB/T 16672-1996, idtISO 6947.1990)
GB/T 18591 Welding preheating temperature, inter-channel temperature and preheating maintenance temperature measurement guide (GB/T 18591-2001,
ISO 13916.1996, IDT)
GB/T 25774.1 Inspection of welding materials - Part 1 . Preparation and inspection of mechanical properties of steel, nickel and nickel alloys
Inspection (GB/T 25774.1-2010, ISO 15792-1.2000, MOD)
GB/T 25774.3 Inspection of welded materials - Part 3. Preparation and testing of T-joint fillet welds
(GB/T 25774.3-2010, ISO 15792-3.2000, IDT)
GB/T 25775 Welding materials supply technical conditions Product type, size, tolerance and mark (GB/T 25775-2010,
ISO 544.2003, MOD)
GB/T 25777 welding material deposited metal chemical analysis sample preparation method (GB/T 25777-2010, ISO 6847.2000,
IDT)
GB/T 25778 Welding Materials Purchasing Guide (GB/T 25778-2010, ISO 14344.2010, MOD)
ISO 14175 welding materials and related methods for gas welding and mixed gases (Weldingconsumables-Gasesand
Gasmixturesforfusionweldingandaliedprocesses)
3 models
3.1 Model division
The wire type is divided according to the chemical composition of the deposited metal, the type of wire, the type of shielding gas and the welding position. This standard and other phases
See Appendix C for a comparison of standard type flux cored wire types.
3.2 Model preparation method
The wire type consists of five parts.
1) Part 1. The stainless steel flux cored wire and filler wire are indicated by the letter "TS";
2) The second part. indicates the classification of chemical composition of deposited metal, see 4.3;
3) The third part. indicates the wire type code, see Table 1, the wire type description is shown in Appendix D;
4) Part 4. Indicates the type of protective gas type, the code for self-protection is “N”, and the code for protective gas is in accordance with ISO 14175.
See Appendix E;
5) Part 5. Indicates the welding position code, see Table 2.
The wire type examples in this standard are as follows.
Example 1.
TS
Represents stainless steel flux cored wire and filler wire
316L
Indicates the chemical composition of deposited metal
Indicates the type of wire, "F" means non-metal powder type flux cored wire
Indicates the type of protective gas, "N" indicates self-protection
Indicates the welding position, "0" indicates the flat welding and the fillet welding position
Example 2.
TS
Represents stainless steel flux cored wire and filler wire
308L
Indicates the chemical composition of deposited metal
Indicates the type of wire, "M" means metal powder type flux cored wire
M21
Indicates the type of protective gas, "M21" means the gas composition is (15%) \u003cCO2 ≤25%) Ar
Indicates the welding position, "0" indicates the flat welding and the fillet welding position
Example 3.
TS
Represents stainless steel flux cored wire and filler wire
308L
Indicates the chemical composition of deposited metal
Indicates the type of wire, and "R" indicates the filler wire for tungsten inert gas shielded welding.
I1
Indicates the type of shielding gas, "I1" indicates that the gas composition is 100% Ar
Indicates the welding position, "1" indicates the full position
Table 1 wire type code
Wire type code feature
F non-metal powder flux cored wire
M metal powder type flux cored wire
R Tungsten inert gas shielded flux cored wire
Table 2 welding position code
Welding position code welding position a
0 PA, PB
1 PA, PB, PC, PD, PE, PF, and/or PG
a welding position see GB/T 16672, where PA = flat welding, PB = flat angle welding, PC = horizontal welding, PD = elevation welding, PE = overhead welding, PF = upright welding,
PG = down vertical welding.
4 Technical requirements
4.1 Wire size and surface quality
The wire size and surface quality shall comply with the provisions of GB/T 25775.
4.2 T-joint fillet weld
4.2.1 Specimen inspection of fillet welds shall be in accordance with GB/T 25774.3, where the unfused length of the weld root shall not exceed the total length of the weld
20%.
4.2.2 The weld crown and the difference between the lengths of the two weld legs shall comply with the requirements of Table 3.
Table 3 Weld crown and the difference between the two legs are in millimeters
Welded foot size weld crown degree difference between two solder legs
< 7.0 ≤2.0
≥7.0 ≤2.5
≤ (0.5 × solder fillet size -0.5)
4.3 Chemical composition
The chemical composition of the gas-shielded non-metal powder flux-cored wire deposited metal shall comply with Table 4, and the classified protective gas shall be C1, M12.
M21 and Z;
The chemical composition of the self-protecting non-metallic powder flux cored wire deposited metal shall comply with the requirements of Table 5;
The chemical composition of the gas-shielded metal powder type flux-cored welding wire shall comply with the provisions of Table 6. The classified protective gas shall be M12, M13.
M21, I1 and Z;
Tungsten inert gas shielded flux cored wire deposited metal chemical composition should comply with Table 7, the classification of protective gas using I1
And Z.
Table 4 Chemical composition of gas-shielded non-metallic powder flux cored wire deposited metal
Chemical formation
Sub-classification
Chemical composition (mass fraction)
C Mn Si PS Ni Cr Mo Cu Nb Ta N other
307 0.13
3.30~
4.75
1.0 0.04 0.03
9.0~
10.5
18.0~
20.5
0.5~
1.5
0.75 - - -
308 0.08
0.5~
2.5
1.0 0.04 0.03
9.0~
11.0
18.0~
21.0
0.75 0.75 - - -
308L 0.04
0.5~
2.5
1.0 0.04 0.03
9.0~
12.0
18.0~
21.0
0.75 0.75 - - -
308H
0.04~
0.08
0.5~
2.5
1.0 0.04 0.03
9.0~
11.0
18.0~
21.0
0.75 0.75 - - -
308Mo 0.08
0.5~
2.5
1.0 0.04 0.03
9.0~
11.0
18.0~
21.0
2.0~
3.0
0.75 - - -
308LMo 0.04
0.5~
2.5
1.0 0.04 0.03
9.0~
12.0
18.0~
21.0
2.0~
3.0
0.75 - - -
309 0.10
0.5~
2.5
1.0 0.04 0.03
12.0~
14.0
22.0~
25.0
0.75 0.75 - - -
Table 4 (continued)
Chemical formation
Sub-classification
Chemical composition (mass fraction)
C Mn Si PS Ni Cr Mo Cu Nb Ta N other
309L 0.04
0.5~
2.5
1.0 0.04 0.03
12.0~
14.0
22.0~
25.0
0.75 0.75 - - -
309H
0.04~
0.10
0.5~
2.5
1.0 0.04 0.03
12.0~
14.0
22.0~
25.0
0.75 0.75 - - -
309Mo 0.12
0.5~
2.5
1.0 0.04 0.03
12.0~
16.0
21.0~
25.0
2.0~
3.0
0.75 - - -
309LMo 0.04
0.5~
2.5
1.0 0.04 0.03
12.0~
16.0
21.0~
25.0
2.0~
3.0
0.75 - - -
309LNb 0.04
0.5~
2.5
1.0 0.04 0.03
12.0~
14.0
22.0~
25.0
0.75 0.75
0.7~
1.0
- -
309LNiMo 0.04
0.5~
2.5
1.0 0.04 0.03
15.0~
17.0
20.5~
23.5
2.5~
3.5
0.75 - - -
310 0.20
1.0~
2.5
1.0 0.03 0.03
20.0~
22.5
25.0~
28.0
0.75 0.75 - - -
312 0.15
0.5~
2.5
1.0 0.04 0.03
8.0~
10.5
28.0~
32.0
0.75 0.75 - - -
316 0.08
0.5~
2.5
1.0 0.04 0.03
11.0~
14.0
17.0~
20.0
2.0~
3.0
0.75 - - -
316L 0.04 0.5~2.5 1.0 0.04 0.03
11.0~
14.0
17.0~
20.0
2.0~
3.0
0.75 - - -
316H
0.04~
0.08
0.5~2.5 1.0 0.04 0.03
11.0~
14.0
17.0~
20.0
2.0~
3.0
0.75 - - -
316LCu 0.04 0.5~2.5 1.0 0.04 0.03
11.0~
16.0
17.0~
20.0
1.25~
2.75
1.0~
2.5
- - -
317 0.08 0.5~2.5 1.0 0.04 0.03
12.0~
14.0
18.0~
21.0
3.0~
4.0
0.75 - - -
317L 0.04 0.5~2.5 1.0 0.04 0.03
12.0~
14.0
18.0~
21.0
3.0~
4.0
0.75 - - -
318 0.08 0.5~2.5 1.0 0.04 0.03
11.0~
14.0
17.0~
20.0
2.0~
3.0
0.75
8×C~
1.0
- -
347 0.08 0.5~2.5 1.0 0.04 0.03
9.0~
11.0
18.0~
21.0
0.75 0.75
8×C~
1.0
- -
347L 0.04 0.5~2.5 1.0 0.04 0.03
9.0~
11.0
18.0~
21.0
0.75 0.75
8×C~
1.0
- -
347H
0.04~
0.08
0.5~2.5 1.0 0.04 0.03
9.0~
11.0
18.0~
21.0
0.5 0.75
8×C~
1.0
- -
409 0.10 0.80 1.0 0.04 0.03 0.6
10.5~
13.5
0.75 0.75 - -
Ti.
10×C
~1.5
409Nb 0.10 1.2 1.0 0.04 0.03 0.6
10.5~
13.5
0.75 0.75
8×C~
1.5
- -
410 0.12 1.2 1.0 0.04 0.03 0.6
11.0~
13.5
0.75 0.75 - - -
Table 4 (continued)
Chemical formation
Sub-classification
Chemical composition (mass fraction)
C Mn Si PS Ni Cr Mo Cu Nb Ta N other
410NiMo 0.06 1.0 1.0 0.04 0.03
4.0~
5.0
11.0~
12.5
0.4~
0.7
0.75 - - -
410NiTi 0.04 0.70 0.50 0.03 0.03
3.6~
4.5
11.0~
12.0
0.5 0.50 - -
Ti.
10×C
~1.5
430 0.10 1.2 1.0 0.04 0.03 0.6
15.0~
18.0
0.75 0.75 - - -
430Nb 0.10 1.2 1.0 0.04 0.03 0.6
15.0~
18.0
0.75 0.75
0.5~
1.5
- -
16-8-2 0.10 0.5~2.5 0.75 0.04 0.03
7.5~
9.5
14.5~
17.5
1.0~
2.0
0.75 - -
Cr
Mo.
18.5
2209 0.04 0.5~2.0 1.0 0.04 0.03
7.5~
10.0
21.0~
24.0
2.5~
4.0
0.75 -
0.08~
0.20
2307 0.04 2.0 1.0 0.03 0.02
6.5~
10.0
22.5~
25.5
0.8 0.50 -
0.10~
0.20
2553 0.04 0.5~1.5 0.75 0.04 0.03
8.5~
10.5
24.0~
27.0
2.9~
3.9
1.5~
2.5
0.10~
0.25
2594 0.04 0.5~2.5 1.0 0.04 0.03
8.0~
10.5
24.0~
27.0
2.5~
4.5
1.5 -
0.20~
0.30
W. 1.0
GXa other agreement components
Note. The single values in the table are the maximum values.
A Classifications not listed in the table can be represented by similar classifications, prefixed with the letter “G”. The chemical composition range is not specified, and it is not possible between the two classifications.
replace.
Table 5 Self-protected non-metallic powder type flux cored wire deposited metal chemical composition
Chemical formation
Sub-classification
Chemical composition (mass fraction)
C Mn Si PS Ni Cr Mo Cu Nb Ta N other
307 0.13
3.30~
4.75
1.0 0.04 0.03
9.0~
10.5
19.5~
22.0
0.5~1.5 0.75 - - -
308 0.08
0.5~
2.5
1.0 0.04 0.03
9.0~
11.0
19.5~
22.0
0.75 0.75 - - -
308L 0.04
0.5~
2.5
1.0 0.04 0.03
9.0~
12.0
19.5~
22.0
0.75 0.75 - - -
308H
0.04~
0.08
0.5~
2.5
1.0 0.04 0.03
9.0~
11.0
19.5~
22.0
0.75 0.75 - - -
308Mo 0.08
0.5~
2.5
1.0 0.04 0.03
9.0~
11.0
18.0~
21.0
2.0~3.0 0.75 - - -
Table 5 (continued)
Chemical formation
Sub-classification
Chemical composition (mass fraction)
C Mn Si PS Ni Cr Mo Cu Nb Ta N other
308LMo 0.04
0.5~
2.5
1.0 0.04 0.03
9.0~
12.0
18.0~
21.0
2.0~3.0 0.75 - - -
308HMo
0.07~
0.12
1.25~
2.25
0.25~
0.80
0.04 0.03
9.0~
10.7
19.0~
21.5
1.8~2.4 0.75 - - -
309 0.10 0.5~2.5 1.0 0.04 0.03
12.0~
14.0
23.0~
25.5
0.75 0.75 - - -
309L 0.04 0.5~2.5 1.0 0.04 0.03
12.0~
14.0
23.0~
25.5
0.75 0.75 - - -
309Mo 0.12 0.5~2.5 1.0 0.04 0.03
12.0~
16.0
21.0~
25.0
2.0~3.0 0.75 - - -
309LMo 0.04 0.5~2.5 1.0 0.04 0.03
12.0~
16.0
21.0~
25.0
2.0~3.0 0.75 - - -
309LNb 0.04 0.5~2.5 1.0 0.04 0.03
12.0~
14.0
23.0~
25.5
0.75 0.75 0.7~1.0 - -
310 0.20 1.0~2.5 1.0 0.03 0.03
20.0~
22.5
25.0~
28.0
0.75 0.75 - - -
312 0.15 0.5~2.5 1.0 0.04 0.03
8.0~
10.5
28.0~
32.0
0.75 0.75 - - -
316 0.08 0.5~2.5 1.0 0.04 0.03
11.0~
14.0
18.0~
20.5
2.0~3.0 0.75 - - -
316L 0.04 0.5~2.5 1.0 0.04 0.03
11.0~
14.0
18.0~
20.5
2.0~3.0 0.75 - - -
316LK 0.04 0.5~2.5 1.0 0.04 0.03
11.0~
14.0
17.0~
20.0
2.0~3.0 0.75 - - -
316H
0.04~
0.08
0.5~2.5 1.0 0.04 0.03
11.0~
14.0
18.0~
20.5
2.0~3.0 0.75 - - -
316LCu 0.03 0.5~2.5 1.0 0.04 0.03
11.0~
16.0
18.0~
20.5
1.25~
2.75
1.0~
2.5
- - -
317 0.08 0.5~2.5 1.0 0.04 0.03
13.0~
15.0
18.5~
21.0
3.0~4.0 0.75 - - -
317L 0.04 0.5~2.5 1.0 0.04 0.03
13.0~
15.0
18.5~
21.0
3.0~4.0 0.75 - - -
318 0.08 0.5~2.5 1.0 0.04 0.03
11.0~
14.0
18.0~
20.5
2.0~3.0 0.75
8×C~
1.0
- -
347 0.08 0.5~2.5 1.0 0.04 0.03
9.0~
11.0
19.0~
21.5
0.75 0.75
8×C~
1.0
- -
347L 0.04 0.5~2.5 1.0 0.04 0.03
9.0~
11.0
19.0~
21.5
0.75 0.75
8×C~
1.0
- -
409 0.10 0.80 1.0 0.04 0.03 0.6
10.5~
13.5
0.75 0.75 - -
Ti.
10×C
~1.5
409Nb 0.12 1.0 1.0 0.04 0.03 0.6
10.5~
14.0
0.75 0.75
8×C~
1.5
- -
Table 5 (continued)
Chemical formation
Sub-classification
Chemical composition (mass fraction)
C Mn Si PS Ni Cr Mo Cu Nb Ta N other
410 0.12 1.0 1.0 0.04 0.03 0.6
11.0~
13.5
0.75 0.75 - - -
410NiMo 0.06 1.0 1.0 0.04 0.03 4.0~5.0
11.0~
12.5
0.4~0.7 0.75 - - -
410NiTi 0.04 0.70 0.50 0.03 0.03 3.6~4.5
11.0~
12.0
0.5 0.50 - -
Ti.
10×C
~1.5
430 0.10 1.0 1.0 0.04 0.03 0.6
15.0~
18.0
0.75 0.75 - - -
430Nb 0.10 1.0 1.0 0.04 0.03 0.6
15.0~
18.0
0.75 0.75 0.5~1.5 - -
16-8-2 0.10 0.5~2.5 0.75 0.04 0.03 7.5~9.5
14.5~
17.5
1.0~2.0 0.75 - -
Cr
Mo.
18.5
2209 0.04 0.5~2.0 1.0 0.04 0.03
7.5~
10.0
21.0~
24.0
2.5~
4.0
0.75 -
0.08~
0.20
2307 0.04 2.0 1.0 0.03 0.02
6.5~
10.0
22.5~
25.5
0.8 0.50 -
0.10~
0.20
2553 0.04 0.5~1.5 0.75 0.04 0.03
8.5~
10.5
24.0~
27.0
2.9~
3.9
1.5~2.5 -
0.10~
0.20
2594 0.04 0.5~2.5 1.0 0.04 0.03
8.0~
10.5
24.0~
27.0
2.5~
4.5
1.5 -
0.20~
0.30
W. 1.0
GXa other agreement components
Note. The single values in the table are the maximum values.
A Classifications not listed in the table can be represented by similar classifications, prefixed with the letter “G”. The chemical composition range is not specified, and it is not possible between the two classifications.
replace.
Table 6 Chemical composition of gas-shielded metal powder flux cored wire deposited metal
Chemical formation
Sub-classification
Chemical composition (mass fraction)
C Mn Si PS Ni Cr Mo Cu Nb Ta N other
308L 0.04 1.0~2.5 1.0 0.03 0.03
9.0~
11.0
19.0~
22.0
0.75 0.75 - - -
308Mo 0.08 1.0~2.5
0.30~
0.65
0.03 0.03
9.0~
12.0
18.0~
21.0
2.0~
3.0
0.75 - - -
309L 0.04 1.0~2.5 1.0 0.03 0.03
12.0~
14.0
23.0~
25.0
0.75 0.75 - - -
309LMo 0.04 1.0~2.5 1.0 0.03 0.03
12.0~
14.0
23.0~
25.0
2.0~
3.0
0.75 - - -
Table 6 (continued)
Chemical formation
Sub-classification
Chemical composition (mass fraction)
C Mn Si PS Ni Cr Mo Cu Nb Ta N other
316L 0.04
1.0~
2.5
1.0 0.03 0.03
11.0~
14.0
18.0~
20.0
2.0~3.0 0.75 - - -
347 0.08
1.0~
2.5
0.30~
0.65
0.04 0.03
9.0~
11.0
19.0~
21.5
0.75 0.75
10×C~
1.0
- -
409 0.08 0.8 0.8 0.03 0.03 0.6
10.5~
13.5
0.75 0.75 - -
Ti.
10×C
~1.5
409Nb 0.12 1.2 1.0 0.04 0.03 0.6
10.5~
13.5
0.75 0.75
8×C~
1.5
- -
410 0.12 0.6 0.5 0.03 0.03 0.6
11.5~
13.5
0.75 0.75 - - -
410NiMo 0.06 1.0 1.0 0.03 0.03
4.0~
5.0
11.0~
12.5
0.4~
0.7
0.75 - - -
430 0.10 0.6 0.5 0.03 0.03 0.6
15.5~
18.0
0.75 0.75 - - -
430Nb 0.10 1.2 1.0 0.04 0.03 0.6
15.0~
18.0
0.75 0.75 0.5~1.5 - -
430LNb 0.04 1.2 1.0 0.04 0.03 0.6
15.0~
18.0
0.75 0.75 0.5~1.5 - -
GXa other agreement components
Note. The single values in the table are the maximum values.
A Classifications not listed in the table can be represented by similar classifications, prefixed with the letter “G”. The chemical composition range is not specified, and it is not possible between the two classifications.
replace.
Table 7 Tungsten inert gas shielded flux cored wire deposited metal chemical composition
Chemical formation
Sub-classification
Chemical composition (mass fraction)
C Mn Si PS Ni Cr Mo Cu Nb Ta N other
308L 0.03 0.5~2.5 1.2 0.04 0.03
9.0~
11.0
18.0~
21.0
0.5 0.5 - - -
309L 0.03 0.5~2.5 1.2 0.04 0.03
12.0~
14.0
22.0~
25.0
0.5 0.5 - - -
316L 0.03 0.5~2.5 1.2 0.04 0.03
11.0~
14.0
17.0~
20.0
2.0~3.0 0.5 - - -
347 0.08 0.5~2.5 1.2 0.04 0.03
9.0~
11.0
18.0~
21.0
0.5 0.5
8×C
~1.0
- -
GXa other agreement components
Note. The single values in the table are the maximum values.
A Classifications not listed in the table can be represented by similar classifications, prefixed with the letter “G”. The chemical composition range is not specified, and it is not possible between the two classifications.
replace.
4.4 Mechanical properties
The tensile test results of the deposited metal shall comply with the requirements of Table 8.
Table 8 Mechanical properties of deposited metal
Chemical composition classification
Tensile strength Rm
MPa
Elongation after break A
Post-weld heat treatment
307 ≥590 ≥25
308 ≥550 ≥25
308L ≥520 ≥25
308H ≥550 ≥25
308Mo ≥550 ≥25
308LMo ≥520 ≥25
308HMo ≥550 ≥25
309 ≥550 ≥25
309L ≥520 ≥25
309H ≥550 ≥25
309Mo ≥550 ≥15
309LMo ≥ 520 ≥ 15
309LNiMo ≥520 ≥15
309LNb ≥520 ≥25
310 ≥550 ≥25
312 ≥660 ≥15
316 ≥ 520 ≥ 25
316L ≥ 485 ≥ 25
316LK ≥ 485 ≥ 25
316H ≥520 ≥25
316LCu ≥ 485 ≥ 25
317 ≥550 ≥20
317L ≥520 ≥20
318 ≥520 ≥20
347 ≥520 ≥25
347L ≥520 ≥25
347H ≥550 ≥25
409 ≥450 ≥15
Table 8 (continued)
Chemical composition classification
Tensile strength Rm
MPa
Elongation after break A
Post-weld heat treatment
409Nb ≥450 ≥15 a
410 ≥520 ≥15 a
410NiMo ≥760 ≥10 b
410NiTi ≥760 ≥10 b
430 ≥450 ≥15 c
430Nb ≥450 ≥13 c
430LNb ≥410 ≥13
16-8-2 ≥520 ≥25
2209 ≥690 ≥15
2307 ≥690 ≥15
2553 ≥760 ≥13
2594 ≥760 ≥13
GX supply and demand agreement
a Heated to 730 ° C ~ 760 ° C, kept for 1 h, cooled to 315 ° C with the furnace, and then air cooled to room temperature;
b heated to 590 ° C ~ 620 ° C, kept for 1 h, then air cooled to room temperature;
c Heat to 760 ° C ~ 790 ° C, heat 2h, with the furnace cooled to 600 ° C, then air cooled to room temperature.
4.5 Weld ray flaw detection
Weld ray flaw detection shall comply with the Class II regulations of GB/T 3323.
4.6 corrosion resistance of deposited metal
The corrosion resistance of deposited metal is determined by negotiation between the supplier and the buyer.
4.7 Weld metal ferrite content
The weld metal ferrite content is determined by negotiation between the supplier and the buyer.
5 Test methods
5.1 Wire size and surface quality
5.1.1 Size
The wire diameter is inspected with a measuring tool with an accuracy of 0.01 mm, measured at the same position perpendicular to each other, and the measuring portion is not less than two.
The core filler wire length test was measured with a gauge having an accuracy of 1 mm.
5.1.2 Surface quality
The surface quality of the welding wire shall be visually inspected for any part of the welding wire according to the provisions of GB/T 25775.
5.2 T-joint fillet weld test
5.2.1 Test base metal
5.2.1.1 For the 300 series of welding wire, the matching steel or 304 stainless steel should be selected;
5.2.1.2 For the 400 series of welding wire, the steel or non-alloy steel should be selected to match it;
5.2.1.3 For duplex stainless steel welding wire, the matching steel or 304 stainless steel should be selected.
5.2.2 Preparation of test pieces
The test piece preparation of the T-joint fillet weld test was carried out in accordance with GB/T 25774.3. Welding parameters recommended by the manufacturer, welding wire for testing
The largest diameter wire should be used. For welding wire with weld position code "1", fillet weld test should be performed at the position of PD and PF.
5.3 Chemical analysis
5.3.1 Chemical analysis of deposited metal samples shall be prepared in accordance with the provisions of GB/T 25777, or on the tensile test bars of mechanical properties or after breaking.
Made. When the arbitration test is conducted, it shall be carried out in accordance with the provisions of GB/T 25777.
5.3.2 Chemical composition analysis may be carried out by any suitable analytical method. In the arbitration test, the analysis method is confirmed by both the supplier and the buyer.
5.4 Mechanical properties test
5.4.1 Test base metal
The base material for the test of mechanical properties of deposited metal shall be a stainless steel plate equivalent to the chemical composition of the deposited metal. If other parent materials are used,
The test welding consumables shall be used to weld the insulation layer on the groove surface and the back surface, and the thickness shall not be less than 3 mm after processing.
5.4.2 Preparation of test pieces
5.4.2.1 The mechanical properties of deposited metal are prepared according to GB/T 25774.1. The type of test piece, the number of passes and the number of layers shall be in accordance with the requirements of Table 9.
Molten gas protection and self-shielded arc welding flux cored wire φ1.2mm, tungsten inert gas shielded flux cored wire selection
Φ2.2mm, or other specifications of the welding wire agreed by the supplier and the buyer. Welding parameters are recommended by the manufacturer.
5.4.2.2 After the positioning of the test plate, the temperature of the test plate shall reach the specified preheating temperature during the welding, and the temperature between the channels shall be ...
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