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ASTM A335 P11 Alloy Steel Seamless Pipes 48 Inch OD High Pressure Boiler Application

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ASTM A335 P11 Alloy Steel Seamless Pipes 48 Inch OD High Pressure Boiler Application

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Brand Name : NEW FORCE

Model Number : 48''

Certification : MTC

Place of Origin : China

MOQ : 10 tons or negotiable

Payment Terms : L/C, T/T

Supply Ability : 200000 tons per month

Delivery Time : 5~10 weeks

Packaging Details : bare and loose

Steel : Alloy Steel

Application : High Pressure Boiler

Material : P11

Standard : ASTM A335

Size : 1219 x 140mm

OD : 48''

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ASTM A335 P11 Alloy Steel Seamless Pipes 48 Inch OD High Pressure Boiler Application

Since 2008, TIPTOP has been supplying ASTM A335/ ASME SA335 P11 seamless high & medium pressure boiler pipes, with OD up to 56'' 1422mm and wall thickness up to 140mm. TIPTOP is your trusted partner for large OD & heavy wall thickness seamless pipes.

1. Standards

ASTM A335 ——Standard Specification for Seamless Ferritic Alloy-Steel Pipe for High-Temperature Service

2. Application

For the high-pressure boiler and steam pipes, and the petrochemical industry pipes;
Power plant; Chemical Fertilizer; Petrochemicals; Offshore Oils; Gas Productions; Refineries and etc.

3. Steel pipes No. of main production:

ASTM A335 Grade P5, P9, P11, P12, P22, P91, P92

4. Dimensional Tolerance

Pipe types OD (mm) Tolerance WT (mm) Tolerance
High Pressure Boiler Tube 219~457 ±1.0％ ≤20 -10% ~ +12.5%
20~40 -10% +10%
457~1422 ±0.9％ ＞40~70 -7％, +9％
＞70~20 -6％, +8％

5. Chemical Composition:

High Pressure Boiler Tube Chemical Requirements
Standard Grade UNS Designation Composition, %
C Mn P S Si Cr Mo Ni V Others
ASTM A335 P5 K41545 0.15max 0.30-0.60 0.025 0.025 0.50max 4.00-6.00 0.45-0.65 　 　 ...
P9 S50400 0.15max 0.30-0.60 0.025 0.025 0.25-1.00 8.00-10.00 0.90-1.10 　 　 ...
P11 K11597 0.05-0.15 0.30-0.60 0.025 0.025 0.50-1.00 1.00-1.50 0.44-0.65 　 　 ...
P12 K11562 0.05-0.15 0.30-0.61 0.025 0.025 0.50 max 0.80-1.25 0.44-0.65 　 　 ...
P22 K21590 0.05-0.15 0.30-0.60 0.025 0.025 0.50 max 1.90-2.60 0.87-1.13 　 　 ...
P91 K91560 0.08-0.12 0.30-0.60 0.02 0.01 0.20-0.50 8.00-9.50 0.85-1.05 0.4 0.18-0.25 N 0.030-0.070
Al 0.02max
Cb 0.06-0.10
Ti 0.01 max
Zr 0.01max
P92 K92460 0.07-0.13 0.30-0.60 0.02 0.01 0.50 max 8.50-9.50 0.30-0.60 0.4 0.15-0.25 N 0.03-0.07
Al 0.02 max
Cb 0.04-0.09
W 1.5-2.00
B 0.001-0.006
Ti 0.01 max
Zr 0.01 max
ASTM A106 Grade B 　 0.3 0.29–1.06 0.035 0.035 0.1 0.4 0.15 0.4 0.08 　
Grade C 　 0.35 0.29–1.06 0.035 0.035 0.1 0.4 0.15 0.4 0.08 　

6. Mechanical Properties

Standards Steel pipes No. Tensile strength Yield strength Elongation Impact energy Hardness
(Mpa) (Mpa) (%) (J)
ASTM A335 P5 ≥415 ≥205 ≥22 ≥35 ≤187HB
P9 ≥415 ≥205 ≥22 ≥35 　
P11 ≥415 ≥205 ≥22 ≥35 ≤163HB
P12 ≥415 ≥220 ≥22 ≥35 ≤163HB
P22 ≥415 ≥205 ≥22 ≥35 ≤163HB
P91 585～760 ≥415 ≥20 ≥35 ≤250HB
P92 ≥620 ≥440 ≥20 ≥35 ≤250HB
ASTM A106 Grade B ≥415 ≥240 ≥22 ≥35 /
Grade C ≥485 ≥275 ≥20 ≥35 /

7. Available Size Range:

OD Thickness
mm inch mm SCH
88.9~1422 3''~ 56'' 2.11~140 ≥SCH10
*If the steel grades and size you are looking for are not listed above, please contact us for further information.

ASTM A335 P11 Alloy Steel Seamless Pipes 48 Inch OD High Pressure Boiler Application


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