42CrMo4/1.7225/SCM440TK/4140 Steel Pipe

Shape Options:

• Round Pipe: Outer Diameter (O.D): 6 mm – 1200 mm; Wall Thickness (W.T.): 1 mm – 400 mm (Available in Cold Rolled, Cold Drawn, Hot Rolled, and Forged).
• Square Pipe: Side (S): 15 mm – 600 mm; Wall Thickness (W.T.): 1 mm – 100 mm.
• Rectangular Pipe: Side (S): 15 mm – 600 mm; Width (W): 1 mm – 100 mm.
• Profiled Pipe: Manufactured according to customer specifications.

Surface Finishes:

• Options for surface finishes include Smooth, Peeled, Turned, Ground, Polished, and Black.

Inspection Standards:

• Each product undergoes rigorous inspections, including:
  • Chemical Composition Analysis
  • Mechanical Property Testing
  • Hardness Testing
  • Ultrasonic Testing
  • Magnetic Testing
  • Metallographic Examination
  • Dimensional and Surface Quality Assessment

Packaging:

• Customized packaging options to meet specific customer requirements.

Minimum Order Quantity (MOQ):

• 2 – 5 tons

Place of Origin:

• Zhejiang/Hubei, China

Applications of 42CrMo4/1.7225/SCM440TK/4140 Steel Pipe

The 42CrMo4/1.7225/SCM440TK/4140 Steel Pipe is versatile and is used in various applications, including:

• Structural Parts: Suitable for making strong and durable structural components.
• Mechanical Parts: Ideal for manufacturing mechanical components.
• Hydraulic Cylinders: Used in hydraulic systems for pressure and fluid transfer.

Quality Standards

Our 42CrMo4/1.7225/SCM440TK/4140 Steel Pipe meets established quality standards, including:

• ASTM A519: Standard Specification for Seamless Carbon and Alloy Steel Mechanical Tubing.
• EN 10297: Seamless Circular Steel Tubes for Mechanical and General Engineering Purposes.
• JIS G3441: Seamless Steel Tubes for General and Engineering Purposes.

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

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