A691 CMS75 Alloy Stee Pipe
A691 CMS75 Alloy Stee Pipe Description
A691 CMS75 alloy welded pipe A691 is a specification in the American Society for Testing and Materials (ASTM) standard, which mainly involves electric fusion welded carbon steel and alloy steel pipes for high temperature and high pressure. CMS75 steel pipe is a carbon-manganese-silicon-iron alloy steel used in low and medium temperature environments.
A691 CMS75 Alloy Stee EFW Pipe specification
| Features | CMS75 Technical requirements |
|---|---|
| Material | Carbon Manganese Silicon Steel |
| Yield Strength | ≥415 MPa |
| Heat treatment process | Normalizing + tempering (910-940℃ temperature control) |
| Nondestructive Testing | 100% ultrasonic flaw detection + random radiographic testing |
Class designations are as follows

Steel plate material

Heat treatment parameters

Applications of A691 CMS75 Alloy Stee Pipe



Ordering Instructions
Inquiries and orders for this standard should include the following:
1 Quantity (feet, meters or tubes):
2 Material name (steel pipe, electric fusion welded);
3 Standard number;
4 Grade and category (see 1.3);
5 Dimensions (inside or outside diameter, nominal or minimum wall thickness);
6 Length (fixed or variable);
7 Pipe end requirements;
8 Purchaser requirements, if any (see 5.2.3, 11.3, 11.4, 13.1);
9 Supplementary requirements, if any (see S1 to S12)
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