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Durable High Pressure Boiler Tube , Carbon Steel Seamless Tube ASTM A106 Grade C

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Durable High Pressure Boiler Tube , Carbon Steel Seamless Tube ASTM A106 Grade C

Durable High Pressure Boiler Tube , Carbon Steel Seamless Tube ASTM A106 Grade C
Durable High Pressure Boiler Tube , Carbon Steel Seamless Tube ASTM A106 Grade C Durable High Pressure Boiler Tube , Carbon Steel Seamless Tube ASTM A106 Grade C

Large Image :  Durable High Pressure Boiler Tube , Carbon Steel Seamless Tube ASTM A106 Grade C

Product Details:

Place of Origin: China
Brand Name: NEW FORCE
Certification: MTC
Model Number: 56''

Payment & Shipping Terms:

Minimum Order Quantity: 10 tons or negotiable
Packaging Details: bare and loose
Delivery Time: 5~10 weeks
Payment Terms: L/C, T/T
Supply Ability: 200000 tons per month
Detailed Product Description
Steel: Carbon Steel Application: High Pressure Boiler
Material: Gr. C Standard: ASTM A106
Size: 1422mm X 140mm OD: 56''
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seamless boiler tube

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seamless steel tube

Durable High Pressure Boiler Tube , Carbon Steel Seamless Tube ASTM A106 Grade C

 

With the development of the power station, the working parameters of the boiler have been improved, especially the emergence of subcritical and supercritical boilers, which has a higher requirement for the wall thickness of the boiler tubing.

 

ASTM A106 Gr C is ASTM A106 steel used for large diameter and high temperature and pressure boiler and Superheater C-Mn steel. Its chemical composition is simple, similar to that of 20G steel, but the content of carbon and manganese is higher, so the yield strength is about 12% higher than that of 20G, and the plasticity and toughness are similar to 20G. Manufacturing header with A106 Gr C instead of 20G (economizer, water cooling wall, low temperature superheater and reheater header) can reduce the wall thickness of about 10%, which can save the cost of materials, but also reduce the workload of welding, improve the heat transfer condition of boiler. It’s working pressure is 6 ~ 13.9MPa and steam temperature is 450~580 degrees.

 

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 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.

 

 

 

Durable High Pressure Boiler Tube , Carbon Steel Seamless Tube ASTM A106 Grade C 0

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