title>GB/T 4009-1989 Silicon chromium alloy - GB/T 4009-1989 - Chinese standardNet - bzxz.net
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GB/T 4009-1989 Silicon chromium alloy

Basic Information

Standard ID: GB/T 4009-1989

Standard Name: Silicon chromium alloy

Chinese Name: 硅铬合金

Standard category:National Standard (GB)

state:Abolished

Date of Release1989-01-01

Date of Implementation:1990-07-01

Date of Expiration:2009-04-01

standard classification number

Standard ICS number:Metallurgy>>77.100 Ferroalloy

Standard Classification Number:Metallurgy>>Steel Products>>H42 Ferroalloy

associated standards

alternative situation:Replaced GB 4009-1983; replaced by GB/T 4009-2008

Publication information

publishing house:China Standards Press

other information

Release date:1983-12-14

Review date:2004-10-14

Drafting unit:Zhejiang Hengshan Ferroalloy Factory

Focal point unit:National Technical Committee on Steel Standardization

Publishing department:State Bureau of Technical Supervision

competent authority:China Iron and Steel Association

Introduction to standards:

This standard specifies the technical requirements, test methods, inspection rules and quality certificates for silicon-chromium alloys. This standard applies to silicon-chromium alloys used as reducing agents and alloying agents in steelmaking and casting, and as reducing agents in refining ferrochrome. GB/T 4009-1989 Silicon-chromium alloys GB/T4009-1989 Standard download decompression password: www.bzxz.net

Some standard content:

中华人民共和国国家标准
硅铬合金
Chromium silicon
1主题内容与适用范围
本标准规定了硅铬合金的技术要求、试验方法,检验规则和质量证明书。GB4009-89
代替GB4009—83
本标准适用于炼钢及铸造时作还原剂和合金剂、精炼铬铁时作还原剂用的硅铬合金。2引用标准
GB3650铁合金验收、包装、贮运、标志和质量证明书的一般规定GB4010铁合金化学分析用试样采取法GB4332铁合金化学分析用试样制备法GB4699硅铬合金化学分析方法
3技术要求
3.1牌号和化学成分
8.1.1硅铬合金按硅、铭及其杂质含量的不同,分为丘个牌号,其化学成分成符合表1规定。1
FeCr30Si40- A
FeCr30Si40-B
FeCr30Si40 C
FeCr30Si40-D
FeCr325i35
8.1.2需方对化学成分有特殊要求,由供需双方另行商定。3.2物理状态
国家技术监督局19B9-11-11批准战
1990-07-01实施
GB4009—89
8.2.1硅铬合金应呈块状或粒状在供方场地交货,其交货粒度范围应符合表2规定。3.2.2需方对粒度有特殊要求,由需方同供方共同商定。表2
粒度偏差,%
般粒度
4试验方法
粒度,mm
箍上物
10~200
10 ~ 59
4.1取样
化学分析用试样的采取按GB4010进行。4.2制样
化学分析用试样的制取按GB 4332进行。4.3化学分析
硅铬合金的化学分析方法按GR4699进行。5检验规则
5.1质量检和验收
产品的质量检查和验收应符合GB3650的要求。不太于5
獅下物
不大于10
5.2组批www.bzxz.net
产品按同一牌号、同一组级归为一批交货,一批产品中或铬成分的任一种,含量级差不应大十3%。
6包装、贮运、标志和质量证明书产品的包装、批运、标志和质量证明书应符合GB3650的要求。附加说明:
本标准出中华人民共和国治金工业部提出。本标准由浙江横山铁合金厂负贵起草。本标雄主要起草人肖厅盛。
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