S20C S45C SCM440 SCM440TK Seamless Steel Pipe
S20C S45C SCM440 SCM440TK Seamless Steel Pipe
Description:
Standard: JIS G3441 JIS G3445 JIS G3462
Steel Grade: S20C S45C SCM440 SCM440TK or per customer's request.
Relevant standard: KS D 3566 ASTM A500,A252, A501, BS 6323
Size range: OD 5-420mm * WT 0.5-50mm *12000mm max Application: For general structural purposes，Tubes used for machinery, automobiles, bicycles, furniture, appliances and other machine parts. Packing: Beveled/black painting/ plastic caps/ in bundles/ steel strips/ wooden protection
Inspection and Test: Chemical Composition Inspection, Mechanical Properties Test(Tensile Strength, Yield Strength,Elongation, Flaring, Flattening, Bending, Hardness, Impact Test),Surface and Dimension Test,Nodestructive Test, Hydrostatic Test.Surface treatment:Oil-dip, Varnish, Passivation, Phosphating, Shot Blasting
Marks: As requested.
Delivery Condition:Annealed, Normalized, Normalized and Tempered
JIS S20C S45C SCM440 SCM440TK Seamless steel pipe Chemical composition,%:
| Steel grade | Chemical composition,% | ||||||
| C | Si | Mn | P | S | Cr | Mo | |
| S20C |
0.18-0.23 |
0.15-0.35 | 0.3-0.6 | ≤0.030 | ≤0.035 | ||
| S45C | 0.42-0.48 | 0.15-0.35 | 0.6-0.9 | ≤0.030 | ≤0.035 | ||
| SCM440 | 0.38-0.42 | 0.15-0.35 | 0.6-85 | ≤0.030 | ≤0.030 | 0.9-1.2 | 0.15-0.3 |
| SCM440TK | ≤0.18 | ≤0.55 | ≤1.50 | ≤0.040 | ≤0.040 | 0.9-1.2 | 0.15-0.3 |
JIS S20C S45C SCM440 SCM440TK Seamless steel pipe Mechanical Properties:
| Mechanical properties | Tensile strength,N/mm2 | Yield strength,N/mm2 | Elongation,% | |
| Longitudinal | Transverse | |||
| OD | All | All | ≥40mm | |
| S20C | ≥290 | ≥195 | ≥20 | ≥21 |
| S45C | ≥600 | ≥355 | ≥16 | ≥16 |
| SCM440 | ≥1080 | ≥930 | ≥12 | ≥13 |
| SCM440TK | ≥1080 | ≥930 | ≥22 | ≥13 |
