Xi'an New Force Energy Engineering Co.,Ltd
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Gas Delivery Seamless Carbon Steel Pipe Large OD / Heavy Wall Thickness
Since 2008, TIPTOP has been supplying ASTM/ASME 1 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. Ordering Information
Quantity (feet, meters, or number of lengths),
Name of material (seamless carbon steel pipe),
Grade (Grade B),
Manufacture (hot-finished or cold-drawn),
Size (NPS/DN and weight class or schedule number, or both; outside diameter and nominal wall thickness; or inside diameter and nominal wall thickness),
Special outside diameter tolerance pipe,
Inside diameter tolerance pipe, over 10 in, (250mm) ID.
Length (specific or random),
Optional requirements,
Test report required,
Special requirements.
2. 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. | |||
3. Standards:
ASTM A106 Standard Specification for Seamless Carbon Steel Pipe for High-Temperature Service
4. Application:
Oil, Gas and water delivery;
Refinery, Boiler and Mechanical equipment manufacture;
Structure construction; drilling, ship building and etc.
5. Chemical Requirements
| Chemical Requirements | ||||||||||
| Grade | Composition, % | |||||||||
| C | Mn | P | S | Si | Cr | Cu | Mo | Ni | V | |
| max | max | max | min | maxC | maxC | maxC | maxC | maxC | ||
| Grade B | 0.3B | 0.29–1.06 | 0.035 | 0.035 | 0.1 | 0.4 | 0.4 | 0.15 | 0.4 | 0.08 |
A For each reduction of 0.01% below the specified carbon maximum, an increase of 0.06% manganese above the specified maximum will be permitted up to a maximum of 1.35%.
B Unless otherwise specified by the purchaser, for each reduction of 0.01% below the specified carbon maximum, an increase of 0.06% manganese above the specified maximum will be permitted up to a maximum of 1.65%.
C These five elements combined shall not exceed 1%.
6. Mechanical Properties
Tensile Strength, min: 60ksi/415MPa
Yield Strength, min: 35ksi/240MPa
7. Manufacturing Process
Raw Material Inspection → Cold Centering → Heating → Piercing & Rolling → SIzing → Heat Treatment → Testing → Finishing → NDE → Visual & Dimension Inspection → Marking → Storing & Shipping
8. Heat Treatment
Hot-finished pipe need not be heat treated. Cold-drawn pipe shall be heat treated after the final cold draw pass at a temperature of 1200°F(650°C) or higher.
9. Supplementary Requirements
S1 Product Analysis
S2 Transverse Tension Test
S3 Flattening Test, Standard
S4 Flattening Test, Enhanced
S5 Metal Structure and Etching Test
S6 Carbon Equivalent
S7 Heat Treated Test Specimens
S8 Internal Cleanliness-Government Orders
S9 Requirements for Carbon Steel Pipe for Hydrofluoric Acid Alkylation Service