1.ISO/TS 16949. 2.ASTM,BS,JIS,DIN. 3.Hardness: ... ductile iron, vermicular cast iron, stainless steel, cast steel, etc.6. Heat-resistant, wear-resistant, corrosion-resistant, etc.7. Strict ... TOOTH205- 70- 19570RC 5.4205- 70- 19570RC-2 6.2PC200RC3 5.5PC200RC4 (Big Holes) 5SK TOOTH939- 7120 (35mm ... ) 6.5939- 7120 (35mm) 6.8 939- 7120 (40mm) 7205- 939- 7120 ( ...