G3444 carbon steel pipes Specifications
1)Standard:G3444
2)Material: STK290 STK490 STK500 STK540
3)Size: OD. 10-650mm,WT.1-80mm
G3444 carbon steel pipes Applicate:
Boiler, electricity, mechanical, gas cylinder, chemical, offshore and oil service
Surface Finishing :
Anti-corrosion and high-temperature resistant with black painting Packing:Bundles, seaworthy wooden cases
With or without end caps, varnish or as per clients requirements.
STK290 STK490 STK500 STK540 Chemical composition
| Steel grade | Chemical composition,% | ||||
| C | Si | Mn | P | S | |
| STK290 | - | - | - | 0.050 | 0.050 |
| STK400 | 0.025 | - | - | 0.040 | 0.040 |
| STK500 | 0.24 | 0.35 | 0.30-1.30 | 0.040 | 0.040 |
| STK490 | 0.18 | 0.55 | 1.50 | 0.040 | 0.040 |
| STK540 | 0.23 | 0.55 | 1.5 | 0.040 | 0.040 |
STK290 STK490 STK500 STK540 Mechanical properties
| Mechanical properties | Tensile strength,N/mm2 | Yield strength,N/mm2 | Elongation,% | Bending property | Weld tensile strength,N/mm2
|
||
| Longitudinal | Transverse | Angel of bending | ID | ||||
| OD | All | All | 40mm | 50mm | 350mm | ||
| STK290 | 290 | - | 35 | 25 | 90o | 6D | 290 |
| STK400 | 400 | 235 | 23 | 18 | 90o | 6D | 400 |
| STK500 | 500 | 355 | 15 | 10 | 90o | 6D | 500 |
| STK490 | 490 | 315 | 23 | 18 | 90o | 6D | 490 |
| STK540 | 540 | 390 | 20 | 16 | 90o | 6D | 540 |
As a Prefabricated G3444 carbon steel pipes supplier and G3444 carbon steel pipes exporter, Shanghai katalor enterprises co.,ltd can provide you high quality G3444 carbon steel pipes with best price.
