GB, ASTM, JIS, DIN, bs, GB 13296-2007, ASTM A106-2006, ANSI A213-2001, ASTM A335-2006, JIS G3454-2007, JIS G3452-2004, JIS G3446-2004, DIN 1626, DIN 2448, DIN 2391, DIN EN 10217-1-2005, BS EN10296, BS EN 10297, BS 31, GB,JIS,AISI,ASTM,SAE,EN,DIN
Grade:
10#-45#, 15NiCuMoNb5, API J55-API P110, CrNi alloy, 10#, 20#, 45#, 15NiCuMoNb5, API J55, API K55, API N80, API L80, API P110, Cr17Ni8, 1Cr13Mn9Ni1N