亚洲欧洲国产欧美一区精品_久久精品女人毛片水多国产好看到停不下来!_两性午夜性刺激在线观看免费的直播内容_亚洲日本黄色免费观看_新视觉无码理论午夜YY6080_飘花电影在线播放_精东影业天美传媒网站地址_高清无码不卡了av伊人五月_一二三四在线视频观看社区_97超碰中文字幕久久精品

HOT LINE: +86-510-80628100
2024-04-10 The heat treatment furnace is put into use, and the technical upgrade enters a new stage. 2019-05-15 MetalForm China 2019 (Shanghai Show)

Technical Article

Technical Article

Current Location: HOME > Technical Article

4145H Oil Drilling Tool Steel

4145H Oil Drilling Tool Steel 

Using electric arc furnace + refining outside the furnace

Material Grade: 4145 H

Standard: AISI - American Iron and Steel Institute Standard

Country: USA

Steel Group: Structural Steel Subclass: AISI 4145H

Steel Notes: Chromium-Molybdenum H-Steel

chemical composition (%)

element-wise min-max approximation

C 0.4200 0.4900

Si 0.1500 0.3500

Mn 0.6500 1.1000

P max 0.0350

S max0.0400

Cr 0.7500 1.2000

Mo 0.1500 0.2500

return
Copyright ? 2024 Jiangyin Eternal Heavy Industry Co.,Ltd.