... OEM and design service offered 3. Strict quality control Roll mill housingMaterial: UNSJ04000,JIS SC480,DIN GS-60/GS- ... a tremendous frame supporting extreme stability and harmoning for Roll mill.Typical material carbon steel or steel alloy.Our ... 1J91119 / /SCMnH1SCMnH2SCMnH3 / 2. Heat treatment condition: normalized, tempered, annealed, Q.T. , just as your requirement3. Test and testing standards: a ...