Manufacturing Companies For Gas Lines - Spirally welded steel pipes ASTM A252 grade 1 2 3 – Spiral
Manufacturing Companies For Gas Lines - Spirally welded steel pipes ASTM A252 grade 1 2 3 – Spiral Detail:
Mechanical Property
| Grade 1 | Grade 2 | Grade 3 | |
| Yield Point or yield strength, min, Mpa(PSI) | 205(30 000) | 240(35 000) | 310(45 000) |
| Tensile strength, min, Mpa(PSI) | 345(50 000) | 415(60 000) | 455(66 0000) |
Product analysis
The steel shall contain no more than 0.050% phosphorous.
Permissible Variations In Weights and Dimensions
Each length of pipe pile shall be weighed separately and its weight shall not vary more than 15% over or 5% under its theoretical weight, calculated using its length and its weight per unit length
The outside diameter shall not vary more than ±1% from the specified nominal outside diameter
Wall thickness at any point shall not more than 12.5% under the specified wall thickness
Length
Single random lengths: 16 to 25ft(4.88 to 7.62m)
Double random lengths: over 25ft to 35ft(7.62 to 10.67m)
Uniform lengths: permissible variation ±1in
Ends
Pipe piles shall be furnished with plain ends, and the burrs at the ends shall be removed
When the pipe end specified to be bevel ends, the angle shall be 30 to 35 degree
Product marking
Each length of pipe pile shall be legibly marked by stenciling, stamping, or rolling to show: the name or brand of the manufacturer, the heat number, the process of manufacturer, the type of helical seam, the outside diameter, nominal wall thickness, length, and weight per unit length, the specification designation and the grade.
Product detail pictures:
Related Product Guide:
Our enterprise since its inception, constantly regards product good quality as organization life, constantly improve production technology, strengthen merchandise high quality and continuously strengthen enterprise total good quality administration, in strict accordance with all the national standard ISO 9001:2000 for Manufacturing Companies For Gas Lines - Spirally welded steel pipes ASTM A252 grade 1 2 3 – Spiral , The product will supply to all over the world, such as: Malaysia, Angola, Rwanda, Our solutions are produced with the best raw materials. Every moment, we constantly improve the production programme. In order to ensure better quality and service, we now have been focusing on the production process. We have got high praise by partner. We are looking forward to establishing business relationship with you.
By Michelle from Paraguay - 2017.11.29 11:09
The factory can meet continuously developing economic and market needs, so that their products are widely recognized and trusted, and that's why we chose this company.
By Jacqueline from Portugal - 2018.12.05 13:53
