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MTC Approval Seamless Carbon Pipe Ferritic Steel ASTM A333 Grade 8 Material
1. Referenced Documents
ASTM A 370 Test Methods and Definitions for Mechanical testing of Steel Products
ASTM A999/A 999M Specification for General requirements for Alloy and Stainless Steel Pipe
ASTM A 671 Specification for General requirements for Alloy and Stainless Steel Pipe
ASTM E 23 Test Methods for Notched bar Impact testing of Metallic Materials
2. Ordering Information
Quantity (feet, centimeters, or number of lengths),
Name of material (seamless pipe),
Grade (Gr.8),
Size (NPS or outside diameter and schedule number of average wall thickness),
Lengths (specific or random),
End finish
Optional requirements
Test report required
3. Standards:
ASTM A333: Standard Specification for Seamless and Welded Steel Pipe for Low-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 Composition % Gr. 8 | ||||||||||
| C max | Mn | P max | S max | Si | Ni | Cr | Cu | Al | V max | Cb max |
| 0.13 | 0.90 max | 0.025 | 0.025 | 0.13-0.32 | 8.40-9.60 | … | … | … | … | … |
6. Manufacturing Process
Raw Material Inspection → Cold Centering → Heating → Piercing & Rolling → SIzing → Heat Treatment → Testing → Finishing → NDE → Visual & Dimension Inspection → Marking → Storing & Shipping
7. Mechanical Properties
Tensile Strength, min: 100ksi/690MPa
Yield Strength, min: 75ksi/515MPa
8. 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. | |||
