Alloy steel BS EN10085 nitride and harden

Alloy steel BS EN10085 nitride and harden alloy steel 急求管件技术英语翻译For all carbon steel and Alloy steel fittings with 英语翻译Steel is an alloy of iron and carbon with other elements 英语翻译Cubic boron nitride（CBN）and polycrystalline cubic boron Alloy Wheels 和正常的 steel 有什么不同,有什么优点? STUD BOLT ALLOY STEEL + 2 HEX NUTS ASTM A193 GR.B8CL2 ASTM A iron and steel区别 英语翻译Carbon and medium alloy steelsHigh speed steelsCast-coba 英语翻译Master alloy composition and the preciseness of the piec bs steel pipe and fittings是什么意思