표준
ASTM,ASME,DIN,EN, API, API 5CT, API 5L, ASTM A106-2006, ASTM A53-2007, ASTM A335-2006, ASTM A333-2005, ASTM A179-1990, ASTM A199, DIN 1626, GB/T 3087, GB/T5310, BS 1387, JIS G3463-2006
소재
10 #,20 #35 #,45 #,20CrMo,35CrMo,42CrMo,12Cr1moVG,15CrMo A106,A53
학년
10 #-45 #, 10 #, 20 #, 45 #, API J55-API P110, API K55, ST35-ST52, ST37, ST52, ST45, ST35.8, ST35