Spiral steel pipe itself has no life limit, and the service life is mainly related to the operating environment and production process. Spiral steel pipe operating environment is relatively poor In order to extend the service life, the oute.
Low and medium pressure boiler tube
1. Material: 10, 20, 20G, 20MnG
2. Standard: GB5310, GB3087
3. Tolerance: by the standard
1.Material: 20G, 20MnG, 25MnG, 15MoG
3. Tolerance: by the standard
1.Material: 20G, 20MnG, 25MnG, 15MoG
2. Standard: A106, ASTM A213, ASTM A210, ASTM A179
3. Tolerance: by the standard
4. Size: OD: 14mm to 426mm, W.T: 2mm to 60mm
5. Delivery Conditions: annealed and pickled
6. Bundling: according to the customer's requirements
7. Packing: seaworthy wooden cases
8. Protection: supply varnish coating, bevel end, plastic cap
9. Applications: for boilers and pressure vessel of medium and low pressure (normally the container and steam pipelines with the operating pressure not higher than 5.88Mpa operating temperature below 450C), for high pressure boilers (normally the containers steam pipeline and petrochemical pipeline with the operating pressure not higher than 9.8Mpa operating temperature between 450C-650C)
10. Certificate Standard: ISO 9001: 2000
11. Payment Terms: T/T in advance or irrevocable L/C at sight
12. Minimum Order: 15 Tons Pipe fittings
13. Delivery conditions: FOB Tianjin, or according to customers' requirement
14. Delivery Time: Min 15 Days after Receiving the Payments
Mechanical properties
|
Standard codes |
Models of steel tubes |
Tensite strengthMPa |
Yield strengthMPa |
Elongation |
Hardness |
|
GB3087 |
10 |
335∼475 |
≥195 |
≥24 |
/ |
|
20 |
410∼550 |
≥245 |
≥20 |
/ |
3 Comments
Hot Rolled Carbon Boiler Pipe SCH 40.
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Cold drawn steel tube Size: OD- 1/8"--3" WT: SCH10s-SCh160 Type: Seamless Delivery Condition: Anti-Oxdation Application: General structure and mechanical purpose Standard: GB/T 8162-2008 Grade of Steel: 10, 20, 35, 45, 40MnZ, 20Cr.