久草青青在线观看视频|国产h片精品在线|超碰在线分类自拍|东京热777精品|国产亚洲综合人妻|在线老司机www|成人午夜AV导航|国产毛茸茸αv网|超碰人人干人人上|成人在线不卡AV

文庫(kù)

EN 10132-4 (2000)

Cold rolled narrow steel strip for heat treatment - Technical delivery conditions - Part 4 Spring steels and other applications

SAE AMS 5604E

Steel, Corrosion Resistant, Sheet, Strip, and Plate 16 5Cr - 4 0Ni - 4 0Cu - 0 30Cb Solution Heat Treated, Precipitation Hardenable

AMS 2759/3D

This specification, in conjunction with the general requirements for steel heat treatment covered in AMS 2759, establishes the requirements for heat treatment of precipitation-hardening corrosion-resistant and maraging steel parts Parts are defined in AM

ASTM A488-2010

Standard Practice for Steel Castings, Welding, Qualifications of Procedures and Personnel

ASTM A307-10

Standard Specification for Carbon Steel Bolts and Studs, 60 000 PSI Tensile Strength