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HG70钢板厂家 > 产品资源 > HG70钢板 > HG70钢板行情 Current position: HG70 steel plate manufacturer > Product resources > HG70 steel plate > HG70 steel plate market
HG70 steel market
发布时间:2018/3/14 9:26:46 浏览量: Source of information: http://shrenheng.com Release time: 2018/3/14 9:26:46 Views:

HG70 steel market

product Texture Origin specification
HG70 steel plate products HG70 Tianjin 100 * 14200 * 6000
HG70 steel plate HG70 Tianjin 8 * 2100 * 8030
HG70 steel plate HG70 Tianjin 10 * 4200 * 18800
HG70 steel plate HG70 Tianjin 18 * 2200 * 12000
HG70 steel plate HG70 Tianjin 20 * 1500 * 6000
HG70 steel plate HG70 Tianjin 40 * 1500 * 6000
HG70 steel plate HG70 Tianjin 35 * 2100 * 11340

The difference between HG70 steel plate and 45 # steel: 45 steel belongs to GB699 "(****) carbon structural steel" and 40Cr belongs to GB3077 "alloy structural steel". The difference is after the heat treatment. The main role of Cr in heat treatment is to improve the hardenability of steel. Due to the improved hardenability, the mechanical properties such as strength, hardness and impact toughness of 40Cr after quenching (or quenching and tempering) treatment are also significantly higher than those of 45 steel.

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