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    Material quality very good. we have cooperate more than 10 Years. They trade lots kinds of steel material. All material quality good. They duty for all material quality. We are planing continue cooperate with them in the future
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Phone Number : 18068357371
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ASTM A335 Alloy Steel Seamless Pipe High Temperature Resistant Corrosion Resistant OD 6-630mm for Boiler Applications

  • ASTM A335 Alloy Steel Seamless Pipe High Temperature Resistant Corrosion Resistant OD 6-630mm for Boiler Applications
  • ASTM A335 Alloy Steel Seamless Pipe High Temperature Resistant Corrosion Resistant OD 6-630mm for Boiler Applications
  • ASTM A335 Alloy Steel Seamless Pipe High Temperature Resistant Corrosion Resistant OD 6-630mm for Boiler Applications
  • ASTM A335 Alloy Steel Seamless Pipe High Temperature Resistant Corrosion Resistant OD 6-630mm for Boiler Applications
  • ASTM A335 Alloy Steel Seamless Pipe High Temperature Resistant Corrosion Resistant OD 6-630mm for Boiler Applications
  • ASTM A335 Alloy Steel Seamless Pipe High Temperature Resistant Corrosion Resistant OD 6-630mm for Boiler Applications
Minimum Order Quantity 1 Ton
Price US $1,030-1,659 / T
Product Details
Outer Diameter 6-1200mm Wall Thickness 1-120mm
Length 6m,5.8m,11.8m,12m, Or As Required Surface Treatment Black Painted,PE Coated,galvanized
Tensile Strength 415-735MPa Yield Strength 205-440MPa
Elongation 18-30% Hardness ≤250HB
Carbon Content 0.05-0.20% Manganese Content 0.30-0.61%
Chromium Content 0.50-10.00% Molybdenum Content 0.44-1.50%
Silicon Content 0.10-2.00% Heat Treatment Temp 1200°F-1375°F
OD Tolerance ±0.4mm To ±1%
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High Temperature Resistant Alloy Steel Seamless Pipe

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Corrosion Resistant ASTM A335 Pipe

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OD 6-630mm Boiler Steel Pipe
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Product Description
ASTM A335 Alloy Steel Pipe T91 T22 P22 P11 P12 P22 P91 P92 Seamless Pipes
High-quality alloy steel seamless pipes designed for demanding industrial applications in power generation, petrochemical, and high-pressure boiler systems.
Product Specifications
Item Cold Rolled / Cold Drawn alloy steel seamless pipe
Standard 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 No. 12Cr1MoV, P2(10CrMo910), T91, P91, P9, T9, Cr5Mo, 15CrMo, P11, P12, 13CrMo44, 25CrMo, 30CrMo, 40CrMo, 12CrMo, X12CrMo91, 12Cr2Mo
Surface 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≥
T11 0.05-0.15 0.30-0.60 0.025 0.025 0.50-1.00 0.50-1.00 1.00-1.50
T12 0.05-0.15 0.30-0.61 0.025 0.025 ≤0.50 0.80-1.25 0.44-0.65
T13 0.05-0.15 0.30-0.60 0.025 0.025 ≤0.50 1.90-2.60 0.87-1.13
T2 0.10-0.20 0.30-0.61 0.025 0.025 0.10-0.30 0.50-0.81 0.44-0.65
T5 ≤0.15 0.30-0.60 0.025 0.025 ≤0.50 4.00-6.00 0.45-0.65
T5b ≤0.15 0.30-0.60 0.025 0.025 1.00-2.00 4.00-6.00 0.45-0.65
T5c ≤0.12 0.30-0.60 0.025 0.025 ≤0.50 4.00-6.00 0.45-0.65
T9 ≤0.15 0.30-0.60 0.025 0.025 0.25-1.00 8.00-10.00 0.9-1.0
T22 0.05-0.15 0.30-0.60 0.025 0.025 ≤0.50 1.90-2.60 0.87-1.13
T91 0.08-0.12 0.30-0.60 0.020 0.010 ≤0.50 8-9.50 0.85-1.05 0.18-0.25
T92 0.07-0.13 0.30-0.60 0.020 0.010 ≤0.50 8-9.50 0.3-0.60 0.15-0.25
T21 0.05-0.15 0.30-0.60 0.025 0.025 ≤0.50 2.65-3.35 0.80-1.06
Mechanical Properties
Standard Steel Grade Tensile (MPa) Yield (MPa) Elongate (%) Hardness
20MnG 20MnG ≥415 ≥240 ≥22
25MnG 25MnG ≥485 ≥275 ≥20
15CrMoG 15CrMoG 440~640 ≥235 ≥21
12Cr2MoG 12Cr2MoG 450~600 ≥280 ≥20
12Cr1MoVG 12Cr1MoVG 470~640 ≥255 ≥21
12Cr2MoWVTiB 12Cr2MoWVTiB 540~735 ≥345 ≥18
10Cr9Mo1VNb 10Cr9Mo1VNb ≥585 ≥415 ≥20
ASME SA210 SA210A-1 ≥415 ≥255 ≥30 ≤143HB
ASME SA210 SA210C ≥485 ≥275 ≥30 ≤179HB
ASME SA213 SA213 T11 ≥415 ≥205 ≥30 ≤163HB
ASME SA213 SA213 T12 ≥415 ≥220 ≥30 ≤163HB
ASME SA213 SA213 T22 ≥415 ≥205 ≥30 ≤163HB
ASME SA213 SA213 T23 ≥510 ≥400 ≥20 ≤220HB
ASME SA213 SA213 T91 ≥585 ≥415 ≥20 ≤250HB
ASME SA213 SA213 T92 ≥620 ≥440 ≥20 ≤250HB
DIN17175 ST45.8/ 410~530 ≥255 ≥21 /
DIN17175 15Mo3 450~600 ≥270 ≥22
DIN17175 13CrMo44 440~590 ≥290 ≥22
DIN17175 10CrMo910 480~630 ≥280 ≥20
Heat Treatment Assurance
Our facility utilizes a full-automatic natural gas furnace measuring 24 meters in length, ensuring precise temperature control with real temperature tolerance within 10ºC.
Important Note: It is recommended that the tempering temperature should be at least 100°F [50°C] above the intended service temperature. Please advise if service temperature exceeds 1100°F [600°C].
Pipe of Grades P1, P2, and P12 (hot finished or cold drawn) may receive final heat treatment at 1200°F [650°C] to 1300°F [705°C]. All Grade P5c pipes undergo final heat treatment in the range from 1325°F [715°C] to 1375°F [745°C].
Quality Assurance
  • Each lot of raw materials undergoes spectrometer testing 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 OD Tolerance
OD (mm) Plus Tolerance (+) Minus Tolerance (-)
10.29-48.3 0.4 0.4
<48.3--≤114.3 0.79 0.79
<114.3-≤219.1 1.59 0.79
<219.1-≤323.9 2.38 0.79
<323.9 ±1% ±1%
Applications
High pressure, low & medium pressure boiler steel pipes/tubes are suitable for manufacturing super-heaters, re-heaters, water walls, and economizers in large-scale power plants.
Product Images
ASTM A335 Alloy Steel Seamless Pipe High Temperature Resistant Corrosion Resistant OD 6-630mm for Boiler Applications 0 ASTM A335 Alloy Steel Seamless Pipe High Temperature Resistant Corrosion Resistant OD 6-630mm for Boiler Applications 1 ASTM A335 Alloy Steel Seamless Pipe High Temperature Resistant Corrosion Resistant OD 6-630mm for Boiler Applications 2 ASTM A335 Alloy Steel Seamless Pipe High Temperature Resistant Corrosion Resistant OD 6-630mm for Boiler Applications 3 ASTM A335 Alloy Steel Seamless Pipe High Temperature Resistant Corrosion Resistant OD 6-630mm for Boiler Applications 4
Company Information
We are a professional 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.
Factory Establishment: 1992
Facility Area: 100,000 square meters
Workforce: 520 employees, including 3 senior engineers, 12 engineers, and 150 professional technical personnel
Production Capacity: Over 20,000 tons of pipe fittings annually, with pipe flux exceeding 50,000 tons
Certifications:
  • ISO9001 International Quality Management System
  • ISO14001 Environmental Management System
  • OHSA18001 Occupational Health and Safety Management System
  • 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: Advanced 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.
Material Inventory: Maintains over 20,000 tons of special steel pipes including SA106B, 20g, Q345, 12Cr1MoVG, 15CrMoG, 1Cr5Mo, 1Cr9Mo, 10CrMo910, A335P5/P9/P11/P12/P22/P91/P92, WB36, and various austenitic stainless steels.
Supply Partnerships: Official dealer for major steel mills including Tianjin Big Seamless Steel Tube, Shanghai Baosteel, Chengdu Steel Vanadium, Yangzhou Chengde, Valing Henggang, and Baotou Steel.
Industry Applications: Petroleum, chemical, power generation, metallurgy, city gas, heat pipe networks, shipbuilding, and pipeline engineering.
Global Reach: Products exported to Southeast Asia, Central Asia, North Africa, South America, and other international markets.
Committed to quality products, excellent service, and building lasting partnerships with customers worldwide.
ASTM A335 Alloy Steel Seamless Pipe High Temperature Resistant Corrosion Resistant OD 6-630mm for Boiler Applications 5
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