... steel, Stainless steel, Alloy and Malleable ironStandardANSI B1.20.1, ASTM A733/ A53 /A106, ST37-2EN10241, BS1387, ISO7-1,DIN2999, ... /1, DIN 2999, ANSI B1.20.1)DimensionBS EN10241, ASTM A733, DIN2982TypeFull length,half length,Saddle/plain end,or according ... can supply many kinds of mild steel couplings, British standard, American standard and DIN standard Kinds of mild steel couplings : bends, elbows , ...