GB/T 37607-2019 (GB/T37607-2019, GBT 37607-2019, GBT37607-2019) & related versions
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Corrosion-resistant alloy wire rod and wire
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GB/T 37607-2019
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GBT 37607-2019
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GB/T 37607-2019: PDF in English (GBT 37607-2019)
GB/T 37607-2019
NATIONAL STANDARD OF THE
PEOPLE’S REPUBLIC OF CHINA
ICS 77.140.99
H 59
Corrosion-resistant alloy wire rod and wire
ISSUED ON: JUNE 04, 2019
IMPLEMENTED ON: MAY 01, 2020
Issued by: State Administration for Market Regulation;
Standardization Administration of the People's Republic of
China.
Table of Contents
Foreword ... 3
1 Scope ... 4
2 Normative references ... 4
3 Ordering content ... 7
4 Dimensions, shape, diameter and weight ... 7
5 Technical requirements ... 9
6 Test method ... 15
7 Test rules ... 16
8 Packaging, marking and quality certificate ... 16
Appendix A (Informative) Comparison of domestic-foreign corrosion resistant
alloy designations ... 18
Corrosion-resistant alloy wire rod and wire
1 Scope
This Standard specifies the designation, dimensions, shape, technical
requirement, test method, inspection rule, packaging, marking and quality
certificate of corrosion-resistant alloy wire rod and wire.
This Standard is applicable to corrosion-resistant alloy wire rods with nominal
diameters of 4.5 mm ~ 18.0 mm and corrosion-resistant cold drawn (pull) wires
with nominal diameters of 0.10 mm ~ 16.0 mm (hereinafter referred to as alloy
materials). Other specifications may also be referred to.
2 Normative references
The following documents are indispensable for the application of this document.
For dated references, only the dated version applies to this document. For
undated references, the latest edition (including all amendments) applies to this
document.
GB/T 223.5, Steel and iron - Determination of acid-soluble silicon and total
silicon content. Reduced molybdosilicate spectrophotometric method
GB/T 223.8, Methods for chemical analysis of iron, steel and alloy. The
sodium fluoride separation. EDTA titration method for the determination of
aluminium content
GB/T 223.9, Iron, steel and alloy. Determination of aluminium content.
Chrome azurol S photometric method
GB/T 223.11, Iron, steel and alloy. Determination of chromium content. Visual
titration or potentiometric titration method
GB/T 223.14, Methods for chemical analysis of iron, steel and alloy. The N-
benzoyl-N-phenylhydroxylamine extraction photometric method for the
determination of vanadium content
GB/T 223.17, Methods for chemical analysis of iron, steel and alloy. The
diantipyrylmethane photometric method for the determination of titanium
content
GB/T 223.18, Methods for chemical analysis of iron steel and alloy. The
sodium thiosulfate separation iodometric method for the determination of
GB/T 223.73, Iron, steel and alloy. Determination of iron contents. Titanium
trichloride-potassium dichromate titration method
GB/T 223.75, Iron, steel and alloy. Determination of boron content. Methanol
distillation-curcumin photometric method
GB/T 223.79, Iron and steel. Determination of multi-element contents. X-ray
fluorescence spectrometry (Routine method)
GB/T 223.85, Steel and iron. Determination of sulfur content. Infrared
absorption method after combustion in an induction furnace
GB/T 223.86, Steel and iron. Determination of total carbon content. Infrared
absorption method after combustion in an induction furnace
GB/T 226, Test method for macrostructure and defect of steel by etching
GB/T 228.1, Metallic materials. Tensile testing. Part 1: Method of test at room
temperature
GB/T 228.2, Metallic materials. Tensile testing. Part 2: Method of test at
elevated temperature
GB/T 239.2, Metallic materials. Wire. Part 2: Reverse torsion test
GB/T 2039, Metallic materials. Uniaxial creep testing method in tension
GB/T 2103-2008, General requirements for acceptance, packing, marking
and quality certification of steel wire
GB/T 2975, Steel and steel products. Location and preparation of samples
and test pieces for mechanical testing
GB/T 4162, Forged and rolled steel bars. Method for ultrasonic testing
GB/T 6394, Determination of estimating the average grain size of metal
GB/T 11170, Stainless steel. Determination of multi-element contents. Spark
discharge atomic emission spectrometric method (Routine method)
GB/T 15007, Grades of corrosion-resistant alloy
GB/T 15260, Corrosion of metals and alloys. Test methods for intergranular
corrosion of nickel alloys
GB/T 20066, Steel and iron. Sampling and preparation of samples for the
determination of chemical composition
GB/T 20123, Steel and iron. Determination of total carbon and sulfur content
5.4.1 The wire rod shall be tested for hardness or tensile strength. The specific
requirements shall be determined by both parties.
5.4.2 The mechanical properties of the cold drawn (pull) wire that is treated by
the heat treatment system which is recommended in Table 6 shall comply with
the requirements of Table 6.
5.5 Surface quality
5.5.1 The surface of the wire rod shall be smooth, free from cracks, scars,
flashing edges, heavy skin, tensile marks, burrs, scratches; pits and scratches
that do not exceed half of the dimensional tolerances are allowed to exist.
5.5.2 The cold drawn surface is not allowed to have defects that are harmful to
use such as scabs, folds, cracks, burrs, pits, scratches and scales; however, it
is allowed to have pits and scratches whose depth do not exceed half the
dimensional tolerance.
5.6 Special requirements.
According to the requirements of the buyer, if it is negotiated between the
supplier and the buyer, and specified in the contract, the alloy materials of the
following special requirements can be supplied:
a) test low-magnification organization;
b) ultrasonic testing;
c) test the grain size;
d) test intergranular corrosion;
e) test high-temperature stretching;
f) test process performance such as torsion;
g) others.
air cooling
11 H06002 NS3312 -
Solid solution: keep warm at
1060°C ~ 1170°C for 0.1 h ~ 0.5 h;
air cooling
≥ 660 ≥ 240 ≥ 35
12 H07750 NS4102 -
Solid solution: keep warm at (982 ±
14)°C for 0.5 h, air or water cooling
Aging: keep warm at (732±14)°C
for 8 h, cool to (621±14)°C with
furnace and keep warm for 18 h; air
cooling
≥ 1 170 ≥ 790 ≥ 18
13 H07718 NS4301 -
Solid solution: keep warm at 924°C
~ 1010°C for 0.5 h; air cooling or
water cooling
Aging: keep warm at (718±10)°C
for 8 h, cool to (621±10)°C with
furnace and keep warm for 18 h; air
or water cooling
≥ 1 275 ≥ 1 034 ≥ 12
14 H02200 NS5200 -
Solid solution: keep warm at 870°C
~ 1040°C for 5 min ~ 10 min; air
cooling
380 ~ 580 105 ~ 345 40 ~ 50
Cold drawing 860 ~ 1 000 725 ~930 2 ~ 15
15 H02201 NS5201 -
Solid solution: keep warm at 870°C
~ 1040°C for 5 min ~ 10 min; air
cooling
345 ~ 415 70 ~ 170 40 ~ 60
16 H04400 NS6400
Solid solution: keep warm at 871°C
~ 982°C for 2 min ~ 10 min; air
cooling
483 ~ 586 - -
≤ 0.71
Cold drawing
≥ 1 138 - -
> 0.71 ~ 1.45 ≥ 1 103 - -
> 1.45 ~ 2.90 ≥ 1 104 - -
> 2.90 ~ 7.92 ≥ 965 - -
> 7.92 ~ 9.53 ≥ 931 - -
> 9.53 ~ 12.7 ≥ 896 - -
> 12.7 ~ 14.3 ≥ 827 - -
17 H05500 NS6500
≤ 2.9 Cold drawing + aging: keep warm
at (595 ± 8)°C for 8 h ~ 16 h; cool
at a rate of 10°C/h ~ 15°C/h with
the furnace to 480°C; air cooling
≥ 1 240 - -
> 2.9 ~ 9.52 ≥ 1 170 - -
> 9.52 ~ 14.3 ≥ 1 105 - -
≤ 16 ≥ 1 107 - -
≤ 1.45
Cold drawing
≥ 1 140 - -
> 1.45 ~ 2.90 ≥ 1 070 - -
> 2.9 ~ 5.82 ≥ 1 035 - -
> 5.82 ~ 7.92 ≥ 1 000 - -
> 7.92 ~ 9.52 ≥ 930 - -
diameter by volume) meets the accuracy
requirements
7 Test rules
7.1 Inspection and acceptance
The inspection and acceptance of alloy materials shall be carried out by the
supplier's quality and technical supervision department. The buyer is entitled to
inspect and accept the alloy material in accordance with the provisions of this
Standard.
7.2 Batch rules
Alloy materials shall be submitted for inspection and acceptance in batches.
Each batch shall consist of alloy materials of the same designation, the same
heat number, the same specification, the same delivery state and the same heat
treatment number.
7.3 Sampling portion and sampling quantity
The sampling portion and sampling quantity of the alloy materials shall comply
with the requirements of Table 7.
7.4 Re-inspection and determination rules
7.4.1 When the result of chemical composition analysis is unqualified, it is
allowed to re-sample to analyze the unqualified elements; if the re-inspection
result is still unqualified, the furnace is judged as unqualified.
7.4.2 When the mechanical properties, hardness, grain size and torsion test
results are unqualified, it is allowed to take double-quantity samples from the
batch of alloy materials (including the first-time unqualified alloy materials) for
re-inspection. If the result of the retest is still unqualified, the batch is judged as
unqualified.
7.4.3 When the dimensions and shape are unqualified, the single disc (volume)
is judged as unqualified.
7.4.4 When the surface quality is defective, it is allowed to be cut and re-
distributed.
8 Packaging, marking and quality certificate
8.1 The packaging and marking of alloy materials shall comply with the
provisions of Class-C or Class-E of GB/T 2103-2008; other types of packaging
......
| Standard ID | GB/T 37607-2019 (GB/T37607-2019) | | Description (Translated English) | Corrosion-resistant alloy wire rod and wire | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | H59 | | Classification of International Standard | 77.140.99 | | Word Count Estimation | 14,113 | | Date of Issue | 2019-06-04 | | Date of Implementation | 2020-05-01 | | Drafting Organization | Maanshan Ningdan Special Alloy Co., Ltd., Yongjia County Sanhe Spring Co., Ltd., Yongxing Special Stainless Steel Co., Ltd., Aviation Industry Corporation of China Jincheng Nanjing Electromechanical Hydraulic Engineering Research Center, Nanjing Debang Metal Equipment Engineering Co., Ltd., Metallurgical Industry Information Standards Research Institute, Danyang Kaixin Alloy Materials Co., Ltd., Nanjing Inte'an Special Steel Co., Ltd., Baosteel Special Steel Co., Ltd., Jiangsu Shenyuan Group Co., Ltd. | | Administrative Organization | National Steel Standardization Technical Committee (SAC/TC 183) | | Proposing organization | China Iron and Steel Association | | Issuing agency(ies) | State Administration for Market Regulation, China National Standardization Administration |
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