AISI 4140 Alloy Seamless Steel Pipe 42CrMo4 SCH40 SCH80 with 655 MPa Tensile Strength and 3-12mm Thickness

Price Negotiable
Price: 600 - 800 USD/Ton
MOQ: 2 Tons
Delivery Time: 5 - 12 days based on the quantity
Brand: DELTA
Product Description
AISI 4140 / 42CrMo4 Alloy Steel Seamless Pipe
AISI 4140 is a versatile low-alloy steel containing chromium, molybdenum, and manganese, offering exceptional toughness, wear resistance, and high fatigue strength. With excellent corrosion resistance and machinability, it is ideal for demanding industrial applications.
Key Features & Benefits
  • Superior toughness and ductility in tempered or quenched condition
  • High impact resistance and fatigue strength
  • Excellent wear and abrasion resistance
  • Enhanced corrosion resistance due to molybdenum and chromium content
  • Improved machinability through manganese-sulfur combination
  • Available in SCH40, SCH80, SCH160, XS, and XXS schedules
Technical Specifications
Pipe Dimensions & Standards
ParameterSpecification
StandardAISI 4140, ASTM A519 (with IBR Test Certificate)
Size Range1/2" NB to 36" NB
Thickness3-12mm
SchedulesSCH 40, SCH 80, SCH 160, XS, XXS
ToleranceCold drawn: ±0.1mm, Cold rolled: ±0.05mm
ManufacturingCold rolled and Cold drawn
Pipe TypeSeamless / ERW / Welded / Fabricated
Forms AvailableRound, Square, Rectangular, Hydraulic
Chemical Composition
ElementContent (%)
Iron (Fe)96.785 - 97.77
Chromium (Cr)0.80 - 1.10
Manganese (Mn)0.75 - 1.0
Carbon (C)0.380 - 0.430
Silicon (Si)0.15 - 0.30
Molybdenum (Mo)0.15 - 0.25
Sulfur (S)0.040
Phosphorous (P)0.035
Mechanical Properties
PropertyMetricImperial
Tensile Strength655 MPa95,000 psi
Yield Strength415 MPa60,200 psi
Elongation at Break25.70%25.70%
Hardness (Brinell)197197
Elastic Modulus190-210 GPa27,557-30,458 ksi
Density7.85 g/cm³0.284 lb/in³
Melting Point1416°C2580°F
Applications
This alloy steel pipe is widely used in demanding industrial components including connecting rods, pump shafts, motor shafts, crankshafts, tool holders, mold bases, valves, fixtures, and various mechanical transmission systems.
Product Images
AISI 4140 Alloy Steel Seamless Pipe close-up view showing surface finish and material texture AISI 4140 Steel Pipe cross-section displaying wall thickness and internal structure Industrial application of AISI 4140 seamless pipes in machinery components AISI 4140 alloy steel pipe inventory showing various sizes and schedules available

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Company JIANGSU MITTEL STEEL INDUSTRIAL LIMITED
Location No.283-1, Youyi Middle Road, Xishan District, Wuxi City, Jiangsu Province
Contact Person Gao Ben

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