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References Materials Standard

Cast Iron ASTM A126 class B (FC.20 & FC.25)
Ductile Iron ASTM A536 Grade 65-45-12 and JIS G5502 Gr.FCD450-10
Bronze ASTM B584 C 83600 or ASTM B62 or JIS H5111
Stainless Steel Rod ASTM A276 type 630
Stainless Steel Plate ASTM A276 type 304
Stainless Steel Casting JIS G 5121 Grade SCS 13 (AISI304)
Stainless Steel  ASTM A276 type 304
Arsenic Brass ASTM B584 C 85700
Brass ASTM B584 C 85700
Rubber NBR & EPDM hardness range IRHD 50±5