标准
API, API 5CT, API 5L, API 5DP, ASTM A312-2001, ASTM A210-1996, ASTM A234-2007, ASTM A335-2006, ASTM A179-1990, ANSI A182-2001, ASTM A312M-2007, ANSI B36.10M-2004
等级
API J55-API P110, API J55, API K55, API N80, API L80, API P110, Cr-mo合金, 34CrMo4, 35CRMO4, 12cr1movg, Mn-v合金, 15MnV