Black Painting Seamless Alloy Steel Pipe - ASTM A213/A335 Grades P5-P92 with 415-620 MPa Tensile Strength

Price Negotiable
Price: 800 - 9000 USD / ton
MOQ: 5T
Delivery Time: 60-75days
Brand: HDT
Product Description
Black Painting Seamless Alloy Steel Pipe
Premium alloy steel tubes with enhanced mechanical properties through strategic alloying elements (1-50% by weight). Engineered for superior corrosion resistance and high-temperature stability in demanding industrial applications.
Black painting seamless alloy steel pipe sample showing corrosion-resistant finish
Material Specifications & Standards
Primary Material Standards
  • ASTM A213 - Seamless Ferritic and Austenitic Alloy-Steel Boiler, Superheater, and Heat-Exchanger Tubes
  • ASTM A335 - Seamless Ferritic Alloy-Steel Pipe for High-Temperature Service
Available Grades
  • ASTM A213: T5, T9, T11, T22, T23, T91, T92
  • ASTM A335: P5, P9, P11, P22, P91, P92
Grade Specifications
Trade Name Grade UNS # Pipe Standard Forged/Bored Pipe Standard
1 1/4 Chrome P11 K11597 A335 / SA335 A369 / SA369
2 1/4 Chrome P22 K21590 A335 / SA335 A369 / SA369
5 Chrome P5 K41545 A335 / SA335 A369 / SA369
9 Chrome P9 S50400 A335 / SA335 A369 / SA369
P91 P91 K91560 A335 / SA335 A369 / SA369
P92 P92 K92460 A335 / SA335 A369 / SA369
Chemical Composition
Grade C Mn P≤ S≤ Si Cr Mo
P11 0.05-0.15 0.30-0.60 0.025 0.025 0.50-1.00 1.00-1.50 0.44-0.65
P22 0.05-0.16 0.30-0.60 0.025 0.025 ≤0.50 1.90-2.60 0.87-1.13
P5 ≤0.15 0.30-0.60 0.025 0.025 ≤0.50 4.00-6.00 0.45-0.65
P9 ≤0.15 0.30-0.60 0.025 0.025 0.25-1.00 8.00-10.00 0.90-1.10
P91 0.08-0.12 0.30-0.60 0.020/0.010 0.020/0.010 0.02-0.50 8.00-9.50 0.85-1.05
P92 0.07-0.13 0.30-0.60 0.020/0.010 0.020/0.010 ≤0.50 8.50-9.50 0.30-0.60
Mechanical Properties
Grade Tensile Strength (MPa) Yield Strength (MPa) Elongation (%)
P11, P22, P5, P9 ≥415 ≥205 ≥30/20
P91 ≥585 ≥415 ≥20
P92 ≥620 ≥440 ≥20
Product Specifications
Types & Forms
  • Type: Seamless
  • Form: Round Pipes/Tubes, Square Pipes/Tubes, Coiled Tubes, Pan Cake Coils, Hydraulic Tubes
Dimensions & Configuration
  • Length: Single Random, Double Random & Required Length
  • End: Plain End, Beveled End, Threaded
  • End Protection: Plastic Caps
Surface Finishes
  • Black Painting
  • Anti-Corrosion Oil
  • Galvanized Finish
  • Custom Finishes Available
Quality Assurance
  • Mill Test Certificates (EN 10204 3.1)
  • Chemical & Mechanical Reports
  • PMI Test Reports
  • Third Party Inspection Reports
  • NABL Approved Lab Reports
  • Destructive & Non-Destructive Test Reports

Get in Touch

Have questions about our products or want to discuss a custom order? Our team is ready to help you.

Company ZHANGJIAGANG HUA DONG ENERGY TECHNOLOGY CO.,LTD
Location Rm. 1202, Buildiing A, Wanda Plaza, Zhangjiagang, Jiangsu, China
Contact Person Sandy

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