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GB/T 42091-2022: Specification of smelting and casting of vacuum ingot for heavy steel forgings
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| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| GB/T 42091-2022 | English | 279 |
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Specification of smelting and casting of vacuum ingot for heavy steel forgings
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GB/T 42091-2022
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Basic data | Standard ID | GB/T 42091-2022 (GB/T42091-2022) | | Description (Translated English) | Specification of smelting and casting of vacuum ingot for heavy steel forgings | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | J32 | | Classification of International Standard | 77.140.85 | | Word Count Estimation | 14,168 | | Date of Issue | 2022-12-30 | | Date of Implementation | 2022-12-30 | | Issuing agency(ies) | State Administration for Market Regulation, China National Standardization Administration | GB/T 42091-2022: Specification of smelting and casting of vacuum ingot for heavy steel forgings---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.
ICS 77.140.85
CCSJ32
National Standards of People's Republic of China
Specification for smelting and ingot casting of vacuum steel ingots for large steel forgings
Posted on 2022-12-30
2022-12-30 implementation
State Administration for Market Regulation
Released by the National Standardization Management Committee
table of contents
Preface III
1 Scope 1
2 Normative references 1
3 Terms and Definitions 2
4 Raw material requirements 2
5 Equipment and Instrument Requirements 2
6 Personnel Requirements 3
7 Safety and environmental protection requirements 4
8 Smelting and ingot casting process 4
9 Quality Control, Inspection and Records 8
Table 1 Main performance parameters of vacuum pump (recommended value) 3
Table 2 Refining process 5
foreword
This document is in accordance with the provisions of GB/T 1.1-2020 "Guidelines for Standardization Work Part 1.Structure and Drafting Rules for Standardization Documents"
drafting.
Please note that some contents of this document may refer to patents. The issuing agency of this document assumes no responsibility for identifying patents.
This document is proposed by China Machinery Industry Federation.
This document is under the jurisdiction of the National Standardization Technical Committee for Large Castings and Forgings (SAC/TC506).
This document was drafted by. Erzhong (Deyang) Heavy Equipment Co., Ltd., China First Heavy Machinery Co., Ltd., Shanghai Electric Heavy Casting & Forging Co., Ltd.
Co., Ltd., Taiyuan Heavy Industry Co., Ltd., CITIC Heavy Industry Machinery Co., Ltd.
The main drafters of this document. Jiang Xinliang, Deng Qin, Xie Yunfei, Gao Jianjun, Yang Haishi, Ma Hong, Cao Anchun, Jin Yang, Dong Tao, Cai Jing, Yang Jianchun,
Zhu Weiwei, Du Xuan, Chen Peihong, Wang Gang, Qiu Bin, Gao Jinqiang, Song Yubing.
Specification for smelting and ingot casting of vacuum steel ingots for large steel forgings
1 Scope
This document specifies the raw materials, equipment and instrument requirements, personnel requirements, and safety environment for the smelting and casting of vacuum steel ingots for large steel forgings.
Guarantee requirements, smelting and ingot casting process, quality control, inspection and records.
This document is applicable to the smelting and ingot casting of vacuum steel ingots (hereinafter referred to as "steel ingots") for large steel forgings over 50 tons.
2 Normative references
The contents of the following documents constitute the essential provisions of this document through normative references in the text. Among them, dated references
For documents, only the version corresponding to the date is applicable to this document; for undated reference documents, the latest version (including all amendments) is applicable to
this document.
GB/T 223 (all parts) Methods for chemical analysis of iron, steel and alloys
GB/T 549 electric welding anchor chain
GB/T 2272 Ferrosilicon
GB/T 2988 high alumina brick
GB/T 3649 Ferromolybdenum
GB/T 3795 Ferromanganese
GB/T 3863 Industrial Oxygen
GB/T 3864 Industrial Nitrogen
GB/T 4139 Ferrovanadium
GB/T 4223 Iron and steel scrap
GB/T 4336 Determination of multi-element content in carbon steel and medium and low alloy steel - Spark discharge atomic emission spectrometry (conventional method)
GB/T 4842 Argon
GB/T 5611 Foundry Terminology
GB/T 5683 Ferrochrome
GB/T 6414 Dimensional Tolerances, Geometric Tolerances and Machining Allowances of Castings
GB/T 6516 Electrolytic Nickel
GB/T 8918 Steel wire ropes for important purposes
GB/T 11261 Determination of Oxygen Content in Iron and Steel Pulse Heating Inert Gas Fusion-Infrared Absorption Method
GB/T 20118 General Technical Conditions for Steel Wire Rope
GB/T 25049 nickel iron
GB/T 20123 Determination of total carbon and sulfur content of iron and steel - Infrared absorption method after combustion in high frequency induction furnace (conventional method)
GB/T 20124 Determination of nitrogen content in iron and steel - inert gas fusion thermal conductivity method (conventional method)
GB/T 20125 Determination of multi-element content in low alloy steel - Inductively coupled plasma atomic emission spectrometry
GB/T 22589 Magnesia carbon brick
GB/T 39733 Recycled Iron and Steel Raw Materials
AQ2001 steelmaking safety regulations
Types and basic parameters of JB/T 3261 LG series steel drums
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