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Precision 4140 Alloy Chrome Steel Seamless Pipe OD 6-630mm High Temperature Resistant

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Precision 4140 Alloy Chrome Steel Seamless Pipe OD 6-630mm High Temperature Resistant

MOQ : 1 Ton

Price : US $1,023-1,648 / T

Surface Treatment : Black

Section Shape : Round

Outer Diameter : 6-630mm

Wall Thickness : 1-120mm

Length : 6m,5.8m,11.8m,12m

Production Capacity : 50000kgs

Carbon Content : 0.05-0.15%

Manganese Content : 0.30-0.60%

Phosphorus Content : ≤0.025%

Sulfur Content : ≤0.025%

Chromium Content : 0.50-9.50%

Molybdenum Content : 0.44-1.50%

Vanadium Content : 0.15-0.25%

Tensile Strength : ≥415-735MPa

Yield Strength : ≥205-440MPa

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Precision 4140 Seamless Alloy Chrome Steel Pipes and Tubes
High-performance seamless pipes and tubes manufactured from 4140 alloy chrome steel, designed for demanding industrial applications requiring superior strength and durability.
Product Specifications
Item Cold Rolled / Cold Drawn alloy steel seamless pipe
Standards JISG3467-88, JISG3458-88, GB3087, GB6479-2000, GB9948-2006, GB5310-95, GB9948-88, ASME SA210, ASME SA213, ASTM SA335, ASTMA335/A335m, ASTMA213/A213m, DIN 17175
Model Numbers 12Cr1MoV, P2(10CrMo910), T91, P91, P9, T9, Cr5Mo, 15CrMo, P11, P12, 13CrMo44, 25CrMo, 30CrMo, 40CrMo, 12CrMo, X12CrMo91, 12Cr2Mo
Surface Finish Black painted, PE coated, galvanized
Length 6m, 5.8m, 11.8m, 12m, or as required
Wall Thickness 1-120mm
Outer Diameter 6-1200mm
Trade Terms
Payment Terms T/T, L/C, Western Union
Price Terms FOB, CIF, CFR, Ex-work, CNF
Chemical Composition (%)
Grade C Mn P≤ S≤ Si Cr Mo V≥
T110.05-0.150.30-0.600.0250.0250.50-1.000.50-1.001.00-1.50
T120.05-0.150.30-0.610.0250.025≤0.500.80-1.250.44-0.65
T130.05-0.150.30-0.600.0250.025≤0.501.90-2.600.87-1.13
T20.10-0.200.30-0.610.0250.0250.10-0.300.50-0.810.44-0.65
T5≤0.150.30-0.600.0250.025≤0.504.00-6.000.45-0.65
T5b≤0.150.30-0.600.0250.0251.00-2.004.00-6.000.45-0.65
T5c≤0.120.30-0.600.0250.025≤0.504.00-6.000.45-0.65
T9≤0.150.30-0.600.0250.0250.25-1.008.00-10.000.9-1.0
T220.05-0.150.30-0.600.0250.025≤0.501.90-2.600.87-1.13
T910.08-0.120.30-0.600.0200.010≤0.508-9.500.85-1.050.18-0.25
T920.07-0.130.30-0.600.0200.010≤0.508-9.500.3-0.600.15-0.25
T210.05-0.150.30-0.600.0250.025≤0.502.65-3.350.80-1.06
Mechanical Properties
Standard Steel Grade Tensile (MPa) Yield (MPa) Elongation (%) Hardness
20MnG20MnG≥415≥240≥22
25MnG25MnG≥485≥275≥20
15CrMoG15CrMoG440~640≥235≥21
12Cr2MoG12Cr2MoG450~600≥280≥20
12Cr1MoVG12Cr1MoVG470~640≥255≥21
12Cr2MoWVTiB12Cr2MoWVTiB540~735≥345≥18
10Cr9Mo1VNb10Cr9Mo1VNb≥585≥415≥20
ASME SA210SA210A-1≥415≥255≥30≤143HB
ASME SA210SA210C≥485≥275≥30≤179HB
ASME SA213SA213 T11≥415≥205≥30≤163HB
ASME SA213SA213 T12≥415≥220≥30≤163HB
ASME SA213SA213 T22≥415≥205≥30≤163HB
ASME SA213SA213 T23≥510≥400≥20≤220HB
ASME SA213SA213 T91≥585≥415≥20≤250HB
ASME SA213SA213 T92≥620≥440≥20≤250HB
DIN17175ST45.8/410~530≥255≥21/
DIN1717515Mo3450~600≥270≥22
DIN1717513CrMo44440~590≥290≥22
DIN1717510CrMo910480~630≥280≥20
Heat Treatment Assurance
Our facility utilizes a fully-automatic natural gas furnace measuring 24 meters in length, maintaining precise temperature control with real temperature tolerance within 10ºC.
Important Note: It is recommended that tempering temperature should be at least 100°F [50°C] above intended service temperature. Please advise if service temperature exceeds 1100°F [600°C].
Quality Assurance Process
  • Each lot of raw materials tested by spectrometer before storage
  • 100% PMI (Positive Material Identification) of mother pipe to ensure correct material
  • 100% PMI of finished pipe to verify correct grade production
Permitted Outer Diameter Tolerance
Outer Diameter (mm) Plus Tolerance (+) Minus Tolerance (-)
10.29-48.30.40.4
<48.3--≤114.30.790.79
<114.3-≤219.11.590.79
<219.1-≤323.92.380.79
<323.9±1%±1%
Applications
High pressure, low & medium pressure boiler steel pipes and tubes are suitable for manufacturing super-heaters, re-heaters, water walls, and economizers in large-scale power plants.
Product Images
Precision 4140 Alloy Chrome Steel Seamless Pipe OD 6-630mm High Temperature Resistant Precision 4140 Alloy Chrome Steel Seamless Pipe OD 6-630mm High Temperature Resistant Precision 4140 Alloy Chrome Steel Seamless Pipe OD 6-630mm High Temperature Resistant Precision 4140 Alloy Chrome Steel Seamless Pipe OD 6-630mm High Temperature Resistant
Company Information
We are a comprehensive enterprise specializing in pipe fittings production, steel pipe sales, and export services. Our core products include alloy steel pipes, alloy pipes, and alloy pipe fittings.
Company Profile
Established in 1992, our facility covers 100,000 square meters and employs 520 staff members, including 3 senior engineers, 12 engineers, and 150 professional technical personnel. Annual production capacity exceeds 20,000 tons of pipe fittings and 50,000 tons of pipe flux.
Certifications & Quality Standards
  • ISO9001 International Quality Management System Certification
  • ISO14001 Environmental Management System Certification
  • OHSA18001 Occupational Health and Safety Management System Certification
  • Pressure Pipe Special Equipment Manufacturing License
  • Measurement Assurance Ability Certificate
  • China Datang Group Network Members Factory Certificate
  • Chemical Equipment Sentinel Production Enterprises Certificate
  • China Power Network Members Accessories Factory Certification
  • China Petrochemical Materials Supply Network Member Certification
Production Capabilities
Our advanced facility features 420 sets of key equipment including pushing machines, press machines, large heat treatment furnaces, beveling machines, sawing machines, three-way extruders, splint hammers, large sand blasting machines, and comprehensive testing instruments.
Product Range
We maintain over 20,000 tons of special steel pipes in inventory year-round, including materials such as SA106B, 20g, Q345, 12Cr1MoVG, 15CrMoG, 1Cr5Mo, 1Cr9Mo, 10CrMo910, A335P5/P9/P11/P12/P22/P91/P92, WB36, and various austenitic stainless steels.
Market Presence
We serve as special dealers for major steel mills including Tianjin Big Seamless Steel Tube, Shanghai Baosteel, Chengdu Steel Vanadium, Yangzhou Chengde, Valing Henggang, and Baotou Steel. Our products are widely used in petroleum, chemical, power, metallurgy, city gas, heat pipe networks, shipbuilding, and other pipeline engineering industries.
Global Reach
Our products are distributed nationwide and exported to Southeast Asia, Central Asia, North Africa, South America, and other international markets. We are committed to building lasting partnerships through high-quality products and exceptional service.
Precision 4140 Alloy Chrome Steel Seamless Pipe OD 6-630mm High Temperature Resistant

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4140 Alloy Seamless Steel Pipe

      

OD 6-630mm Alloy Chrome Steel Pipe

      

High Temperature Resistant Precision Steel Tube

      
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