China Double Groove Spring Bar, Find details about China Sup 9 Steel, Spring Flat Bar from Double Groove Spring Bar
Chemical Composition | |||||||||||
Steel Grade | Chemical Composition (%) | ||||||||||
C | Si | Mn | Cr | V | Ni | Cu | P | S | |||
Not more than | |||||||||||
60Si2Mn | 0.56-0.64 | 1.50-2.00 | 0.70-1.00 | ≤ 0.35 | 0.35 | 0.25 | 0.035 | 0.035 | |||
55CrMnA | 0.52-0.60 | 0.17-0.37 | 0.65-0.95 | 0.65-0.95 | 0.35 | 0.25 | 0.025 | 0.025 | |||
60CrMnA | 0.56-0.64 | 0.17-0.37 | 0.70-1.00 | 0.70-1.00 | 0.35 | 0.25 | 0.025 | 0.025 |