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electromagnetic pure iron soft magnetic iron scopeelectromagnetic pure iron iron soft magnet terrestrial ecological degradation assessment introduction disposal techniques heat treatment specifications
GB/T 6983-2008 in English

GB/T 6983-2008 in English

SUPERSEDED

Soft magnetic iron

  • Issued on:2008-09-11
  • Implemented on:2009-05-01
  • File Format:PDF
  • Delivery:Via email within 1~3 business days
Price(USD): $180.00
$175.00

《GB/T 6983-2008电磁纯铁》由TC183(全国钢标准化技术委员会)归口,TC183SC10(全国钢标准化技术委员会特殊合金分会)执行,主管部门为中国钢铁工业协会。
本标准根据电磁纯铁产品的发展趋势,并国内生产使用情况,对GB/T 6983-1986《电磁纯铁棒材技术条件》、GB/T 6984-1986《电磁纯铁热轧厚板技术条件》和GB/T 6985-1986《电磁纯铁冷轧薄板》三个标准进行合并修订。
本标准规定了电磁纯铁的产品分类、尺寸、外形、重量、技术要求、试验方法、检验规则、包装标志和质量证明书等。
本标准适用于电磁纯铁热轧圆棒、锻制圆棒、冷拉圆棒、热轧盘条、热轧板(带)、冷轧薄板(带),也适用于最终用途的电磁纯铁连铸方坯、连铸矩形坯、连铸板坯和初轧坯。
本标准代替GB/T 6983-1986、GB/T 6984-1986和GB/T 6985-1986。与GB/T 6983-1986、GB/T 6984-1986和GB/T 6985-1986相比主要变化如下:
――标准名称改为“电磁纯铁”;
――对牌号及化学成分进行较大修改,取消了DT3、DT3A牌号,成分结构更适应于电磁纯铁材料发展的需要;
――调整了标准的品种范围,增加了连铸方坯、连铸矩形坯、连铸板坯、初轧坯、热轧盘条品种,对新增品种增加了相应的规定;
――增加、修改了规范性引用文件;
――增加了产品的订货内容;
――增加了产品的牌号的说明;
――增加或修改了电磁纯铁冷轧薄板(带)的尺寸、外形、重量及偏差和表面质量的规定,取消了电磁纯铁冷轧薄板有关超级精度的规定;
――增加了“电磁纯铁产品出厂磁性检验一般只检测矫顽力(Hc),并根据矫顽力值判定牌号”的规定;修改了磁性能检验试样热处理工艺和矫顽力磁时效增值检验的规定;修改了矫顽力磁时效增值的表述;
――增加了对直径小于60mm的圆钢及热轧盘条的磁性能检验方法;
――增加了电磁纯铁连铸坯、初轧坯、直径大于150mm的圆棒、厚度大于20mm的热轧板材有关磁性检验和交货牌号的规定;
――增加了热轧板材力学性能检验及技术指标要求,适当修改了热轧及锻制圆钢的力学性能指标,并修改了技术指标表示符号和单位名称;
――增加了电磁纯铁圆棒关于低倍取样方法的规定;增加了电磁纯铁板材矫顽力试样和冷弯试样取样方法的规定。


Scope

Electromagnetic This standard specifies the product classification, size, shape, quality certificate, etc. of electromagnetic pure iron. Pure iron This standard applies to electromagnetic pure iron hot-rolled round bars, forged round bars, cold-drawn round bars, hot-rolled wire rods, hot-rolled plates (electromagnetic pure iron continuous casting Cast slab and blooming billet Note: Electromagnetic pure iron is also called soft magnet internationally.

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