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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
High-Temperature ASTM A335 P11 Seamless Pipe Petrochemical & Power Plant Piping
Specifications
Brand Name :
YUHONG
Model Number :
ASTM A335 P11 Seamless Pipe
Certification :
ABS, GL, DNV, NK, PED, AD2000, GOST9941-81, CCS, ISO 9001-2008
Place of Origin :
CHIAN
MOQ :
100KGS
Price :
Negotiable
Payment Terms :
L/C,T/T
Supply Ability :
1000 tons per month
Delivery Time :
Depends on quantity
Packaging Details :
Ply-wooden Case /Iron Case/ Bundle with plastic Cap/Woven Case
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
Description


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

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Product Detail
Brand Name :
YUHONG
Model Number :
ASTM A335 P11 Seamless Pipe
Certification :
ABS, GL, DNV, NK, PED, AD2000, GOST9941-81, CCS, ISO 9001-2008
Place of Origin :
CHIAN
MOQ :
100KGS
Price :
Negotiable
Contact Supplier
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

Yuhong Group Co.,Ltd

Verified Supplier
13 Years
zhejiang, ningbo
Since 2007
Business Type :
Manufacturer, Distributor/Wholesaler, Importer, Exporter, Trading Company, Seller, Other
Main Products :
Stainless Steel Seamless Pipe, Stainless Steel Seamless Tube, Duplex Stainless Steel Pipe
Total Annual :
50M-70M
Employee Number :
50~850
Certification Level :
Verified Supplier
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