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High-Temperature ASTM A335 P11 Seamless Pipe Petrochemical & Power Plant Piping

High-Temperature ASTM A335 P11 Seamless Pipe Petrochemical & Power Plant Piping

  • High-Temperature ASTM A335 P11 Seamless Pipe Petrochemical & Power Plant Piping
  • High-Temperature ASTM A335 P11 Seamless Pipe Petrochemical & Power Plant Piping
  • High-Temperature ASTM A335 P11 Seamless Pipe Petrochemical & Power Plant Piping
  • High-Temperature ASTM A335 P11 Seamless Pipe Petrochemical & Power Plant Piping
High-Temperature ASTM A335 P11 Seamless Pipe Petrochemical & Power Plant Piping
Product Details:
Place of Origin: CHIAN
Brand Name: YUHONG
Certification: ABS, GL, DNV, NK, PED, AD2000, GOST9941-81, CCS, ISO 9001-2008
Model Number: ASTM A335 P11 Seamless Pipe
Payment & Shipping Terms:
Minimum Order Quantity: 100KGS
Price: Negotiable
Packaging Details: Ply-wooden Case /Iron Case/ Bundle with plastic Cap/Woven Case
Delivery Time: Depends on quantity
Payment Terms: L/C,T/T
Supply Ability: 1000 tons per month
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Detailed Product Description
Standard Specification: ASTM A335 / ASME SA-335 Material Designation: P11 / Grade P11
Optional NDT: UT, RT, PMI, Hardness Test Manufacturing Process: Seamless (SMLS)
End Preparation: Plain End / Beveled End Size Range (NPS): 1/2" To 24"
Wall Thickness: SCH 40, 80, 160, XXS Service Environment: High-Temperature Piping Systems
Highlight:

ASTM A335 P11 seamless pipe

,

high-temperature alloy steel tube

,

petrochemical power plant piping


ASTM A335 P11 Alloy Steel Seamless Pipe: High-Temperature Service Solution



1. ASTM A335 P11 Material Overview


ASTM A335 P11 seamless pipe is a chromium-molybdenum alloy steel designed for high-temperature service. Key characteristics:


  • Manufacturing Process: Hot-finished seamless (SMLS)


  • Key Alloy Elements: 1.25% Cr, 0.5% Mo (enhanced creep resistance)


  • Temperature Range: -29°C to 593°C (-20°F to 1100°F)


  • Standard Compliance: ASTM A335 / ASME SA-335


  • Certification: EN 10204 3.1/3.2 with PMI test reports


2. ASTM A335 P11 Chemical Composition


Maximum percentages unless range specified


Element Composition (%) ASTM A335 Requirement
Carbon 0.05 - 0.15 0.05 - 0.15
Manganese 0.30 - 0.60 0.30 - 0.60¹
Phosphorus ≤0.025 ≤0.025
Sulfur ≤0.025 ≤0.025
Silicon 0.50 - 1.00 0.50 - 1.00
Chromium 1.00 - 1.50 1.00 - 1.50
Molybdenum 0.44 - 0.65 0.44 - 0.65


3. ASTM A335 P11 Equivalent Grades


Global material cross-references


Standard Equivalent Grade Note
EN 13CrMo4-5 EN 10216-2
DIN 13CrMo44 DIN 17175
JIS STPA23 JIS G3458
GOST 15KhM GOST 550-75
UNS Number K11597 Unified Numbering System


4. ASTM A335 P11 Mechanical Properties


Minimum requirements per ASTM A335


Property Value Test Method
Tensile Strength ≥415 MPa (60,000 psi) ASTM A370
Yield Strength ≥205 MPa (30,000 psi) ASTM A370
Elongation ≥30% (2" gauge length) ASTM A370
Hardness ≤197 HBW / 92 HRB ASTM E18/E10
Heat Treatment Full Anneal / Normalize & Temper Mandatory


5. ASTM A335 P11 Dimensional Tolerances


Compliant with ASME B36.10M


Parameter Tolerance Standard Reference
Outer Diameter (NPS ≤4) ±0.79 mm (0.031") ASME B36.10
Outer Diameter (NPS >4) +0.25% / -0.12% of OD ASME B36.10
Wall Thickness +20% / -12.5% of nominal wall ASTM A335
Straightness ≤0.2% of length ASTM A530
Length (Random) 6-7 m (±100 mm) Commercial practice


6. ASTM A335 P11 Application Areas


High-performance service environments


  • Power Generation
    Boiler superheaters, steam lines, turbine piping (ASME B31.1 compliant)


  • Petrochemical Processing
    Refinery furnace tubes, catalytic cracker lines, hydrogen service


  • Oil & Gas
    Wellhead components, flow lines (NACE MR0175 compatible)


  • High-Temperature Utilities
    Heat exchangers, thermal fluid systems, expansion joints

Tag:

stainless steel round tube,

nickel alloy pipes,

alloy steel tube

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