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

Name: HighTemperature ASTM A335 P11 Seamless Pipe Petrochemical amp Power Plant Piping
Brand: YUHONG
Price: 1 USD

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

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

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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

Product Tags:

ASTM A335 P11 seamless pipe

high-temperature alloy steel tube

petrochemical power plant piping

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

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