MATERIAL CONVERSION TABLE: 1. Gray Iron Castings (KS D 4301) KS. Tensile Strength (KG-F/mm2) HB. GC150 (ex-GC15) A48-CL20. MATERIAL COMPARISON TABLE. ASTM STANDARD UNS NO. KS/JIS Symbol KS/JIS Number Remark DIN Type DIN Material Remark Number Number A179 Seamless Cold Drawn Low-C K01200 STBH340/STB35 D3563/G3461 St 35.4 1629 1.0309 Steel H/EX and Condenser St 35.8 17175 1.0305 Plus DIN2391 Tubes (18).
The table below compares common grades of materials from various international specifications. Note that materials compared are the nearest available grade and may have slight variations in actual chemistry.