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YB_T 5293-2014 Test method for metal materials Top forging
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SN_T 3343-2012 Determination of manganese, phosphorus, silicon, chromium, nickel, copper, molybdenum and titanium in stainless steel by inductively coupled plasma atomic emission spectrometry
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SN_T 0750-1999 Determination of aluminium, arsenic, chromium, cobalt, copper, phosphorus, manganese, molybdenum, nickel, silicon, tin, titanium and vanadium in imported and exported carbon and low-all
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SAE J429-2014Mechanical and Material Requirements for Externally Threaded Fasteners
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SAE J423-1983(R1998)Methods of measuring case depth
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