42CrMo4/1.7225/SCM440TK/4140 Steel Pipe – Mechanical Tubing – Seamless Alloy Steel Tube

42CrMo4/1.7225/SCM440TK/4140 Steel Pipe – Mechanical Tubing – Seamless Alloy Steel Tube

Categories:Steel tubes

Model No.:42CrMo4

Round Pipe: O.D 6mm-1200mm, W.T.: 1-400 mm ( Cold rolled / Cold drawn / Hot rolled / Forged).
Square Pipe: S 15-600mm x W 1-100mm.
Rectangular Pipe: S 15-600mm x
Surface: Smooth, Peeled, Turned, Grinded, Polished, Black….

DETAIL INFORMATION

42CrMo4/1.7225/SCM440TK/4140 Steel Pipe – Mechanical Tubing – Seamless Alloy Steel Tube

Application

4140/42CrMo4/1.7225/SCM440TK Alloy Steel Seamless Tubes can be made into structural and mechanical parts, hydraulic cylinder, etc.


Quality Standard

ASTM A519    EN 10297    JIS G3441


All Grades Comparison

ASTM                                         EN                                                JIS                                    GB


4140                                 42CrMo4/1.7225                           SCM440TK                        42CrMo


Chemical Composition(%)

Steel Grade            C                  Si                  Mn               P                 S                   Cr                      Mo

4140                 0.38-0.43     0.15-0.35     0.75-1.00    0.040 max    0.040 max       0.80-1.10      0.15-0.25


42CrMo4         0.38-0.45     0.40 max     0.60-0.90    0.025 max    0.035 max       0.90-1.20      0.15-0.30


SCM440TK      0.38-0.43     0.15-0.35      0.60-0.90    0.030 max    0.030 max       0.90-1.20      0.15-0.30


42CrMo          0.38-0.45     0.17-0.37      0.50-0.80    0.030 max    0.030 max       0.90-1.20      0.15-0.25


Mechanical Properties

Condition      Tensile Strength Rm (Mpa)      Yield Strength R2 (Mpa)     Elongation in 2 in or 50 mm  A(%)

+HR                            855 min                                       621 min                                  15 min


+SR                            855 min                                        689 min                                 10 min


+A                              552 min                                        414 min                                 25 min


+N                             855 min                                         621 min                                20 min


+HR: Hot Rolled, +SR: Stress Relieved,  +A: Annealed, +N: Normalized.


Capacity: 3,000 ton per month.


Test: Chemical analysis, Metallographic, Mechnical analysis, Ultrasonic testing, Magnetic testing, Impact testing, Hardness testing, Surface quality and dimension report.


Package

Four or five pcs in one bunch, the minimum weight of each bundle is 2000kg; the maximum bundle weight being 5000kg.


Mill’s Test Certificate

EN 10204/3.1 with all relevant data reg. chem. composition, mech. properties and results of testing.


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