国产精品亚洲一区二区三区不卡爆乳_美国成人免费毛片_中文字幕毛片无码在线观看视频_国产特黄自拍大片_4hu四虎永久在线观看_少妇最爽的午夜视频在线观看_播放流畅国产黄色网站_欧美成人午夜高清在线观看_女人被狂爆到高潮免费视频_精品综合久久88少妇激情

1.7225

1.7225

42CrMo4, 1.7225,

1.7225數(shù)據(jù)表下載

1.7225化學(xué)成分 - NF A 35-590

C Si Mn P S Cr Ni Mo
0.38-0.45 ≤0.40 0.60-0.90 ≤0.035 ≤0.035 0.90-1.20 ≤ ≥ 0.15-0.30

1.7225標(biāo)準(zhǔn)規(guī)范

  • NF A 35-590 - Tool steels
  • NF EN 10083-1 - Steels for quenching and tempering - Part 1: General technical delivery conditions
  • NF EN 10083-3 - Steels for quenching and tempering - Part 3: Technical delivery conditions for alloy steels
  • NF EN 10132-3 - Cold rolled narrow steel strip for heat treatment - Technical delivery conditions - Part 3: Steels for quenching and tempering
  • NF EN 10250-3 - Open die steel forgings for general engineering purposes - Part 3: Alloy special steels
  • NF EN 10263-4 - Steel rod, bars and wire for cold heading and cold extrusion - Part 4: Technical delivery conditions for steels for quenching and tempering
  • NF EN 10269 - Steels and nickel alloys for fasteners with specified elevated and/or low temperature properties
  • NF EN 10297-1 - Seamless circular steel tubes for mechanical and general engineering purposes - Technical delivery conditions - Part 1: Non-alloy and alloy steel tubes
  • NF EN 10305-1 - Steel tubes for precision applications - Technical delivery conditions - Part 1: Seamless cold drawn tubes
  • NF EN 10343 - Steels for quenching and tempering for construction purposes - Technical delivery conditions

1.7225機(jī)械性能

熱處理 最小值 最大值 近似值 備注
熱處理 最小值 最大值 近似值 備注
熱處理 最小值 最大值 近似值 備注
熱處理 最小值 最大值 近似值 備注
熱處理 最小值 最大值 近似值 備注
熱處理 Type 最小值 最大值 近似值 備注
Steels for quenching and tempering for construction purposes - Technical delivery conditions

1.7225產(chǎn)品形態(tài)