China En Standard/DIN Standard Cold Rolled Cold Drawn Precise Seamless Steel Pipe with Tolerance +/-0.1mm, Find details about China Steel Pipe, Seamless Steel Pipe from En Standard/DIN Standard Cold Rolled Cold Drawn Precise Seamless Steel Pipe with Tolerance +/-0.1mm
Material | Chemical composition (%) | ||||||
C | Mn | P | S | Si | Ni | Cu | |
20# AISI 1020 | 0.17~0.23 | 0.35~0.65 | ≤0.035 | ≤0.035 | 0.17~0.37 | ≤0.3 | ≤0.25 |
45# ASTM1045, DIN45 | 0.42~0.5 | 0.5~0.8 | ≤0.04 | ≤0.045 | 0.17~0.37 | ≤0.25 | ≤0.25 |
Steel material | Tensile Strength Mpa | Yield strength Mpa | Elongation % | Hardness | Straightness |
20# | ≥510 | ≥245 | ≥25 | ≤156HB | 0.3~1.0 |
45# | ≥647 | ≥355 | ≥16 | ≤HRC62 | 0.3~1.0 |