S20C S45C SCM440 SCM440TK Seamless Steel Pipe

Short Description:

S20C S45C SCM440 SCM440TK Seamless Steel Pipe

Standard: JIS G3441 JIS3445 JIS 3462
Grade: S20C S45C SCM440 SCM440TK
OD. Range:4mm – 457mm
Wall thickness: 1mm-15mm
Tolerance: OD ± 0.1mm, ID± 0.1mm
Length: Random length or fixed length 5.8meters or 6meters ,Max length 12M
Type: Seamless steel tube
Packaging detail: Bundles with plastic paper packaged or wooden box package
Delivery date: 10-30days according to customers requirements.

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S20C S45C SCM440 SCM440TK Seamless Steel Pipe


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

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


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


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