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Carbon Steel High Pressure Boiler Tube ASTM A106 Grade B 56 Inch OD Wall Thickness

Categories High Pressure Boiler Tube
Brand Name: NEW FORCE
Model Number: 56''
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: Carbon Steel
Application: High Pressure Boiler
Material: Gr. B
Standard: ASTM A106
Size: 1422mm x 140mm
OD: 56''
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Carbon Steel High Pressure Boiler Tube ASTM A106 Grade B 56 Inch OD Wall Thickness

Carbon Steel High Pressure Boiler Tube ASTM A106 Grade B 56 Inch OD Wall Thickness


TIPTOP’s state-of-the-art manufacturing processes and advanced inspection and testing procedures ensure our boiler tubes stand up to the harshest environments. An experienced provider to the entire energy industry, TIPTOP is a reliable source for cold drawn and hot finished boiler tubing. TIPTOP has the capability and capacity to produce the size, specifications, quality and quantities you need.


1. Standards

ASTM A106 ——Standard Specification for Seamless Carbon Steel Pipe for High-Temperature Service

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

ASTM A106 Grade B, C


4. Dimensional Tolerance

Pipe typesOD (mm)ToleranceWT (mm)Tolerance
High Pressure Boiler Tube219~457±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
StandardGradeUNS DesignationComposition, %
CMnPSSiCrMoNiVOthers
ASTM A335P5K415450.15max0.30-0.600.0250.0250.50max4.00-6.000.45-0.65  ...
P9S504000.15max0.30-0.600.0250.0250.25-1.008.00-10.000.90-1.10  ...
P11K115970.05-0.150.30-0.600.0250.0250.50-1.001.00-1.500.44-0.65  ...
P12K115620.05-0.150.30-0.610.0250.0250.50 max0.80-1.250.44-0.65  ...
P22K215900.05-0.150.30-0.600.0250.0250.50 max1.90-2.600.87-1.13  ...
P91K915600.08-0.120.30-0.600.020.010.20-0.508.00-9.500.85-1.050.40.18-0.25N 0.030-0.070
Al 0.02max
Cb 0.06-0.10
Ti 0.01 max
Zr 0.01max
P92K924600.07-0.130.30-0.600.020.010.50 max8.50-9.500.30-0.600.40.15-0.25N 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 A106Grade B 0.30.29–1.060.0350.0350.10.40.150.40.08 
Grade C 0.350.29–1.060.0350.0350.10.40.150.40.08 

6. Mechanical Properties

StandardsSteel pipes No.Tensile strengthYield strengthElongationImpact energyHardness
(Mpa)(Mpa)(%)(J)
ASTM A335P5≥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
P91585~760≥415≥20≥35≤250HB
P92≥620≥440≥20≥35≤250HB
ASTM A106Grade B≥415≥240≥22≥35/
Grade C≥485≥275≥20≥35/

7. Available Size Range:

ODThickness
mminchmmSCH
88.9~14223''~ 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.

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