201/202/310S Round Square Welded Tube Black Alloy Oil Stainless Steel Pipe
Benefits of Using 201/202/310S round square welded Tube Black alloy oil stainless steel Pipe Stainless steel pipes are widely used in various industries due to their durability, corrosion resistance, and high strength. Among the different types of stainless steel pipes available in the market, the 201/202/310S round square welded tube black alloy oil stainless steel…
Benefits of Using 201/202/310S round square welded Tube Black alloy oil stainless steel Pipe
Stainless steel pipes are widely used in various industries due to their durability, corrosion resistance, and high strength. Among the different types of stainless steel pipes available in the market, the 201/202/310S round square welded tube black alloy oil stainless steel pipe stands out for its unique properties and benefits.| Tensile and hardness requirements | |||||||||
| grade | Yield Strength MPa | Tensile Strength | Hardness a,c | specified Wall thickness | Allowable Hardness Variation b | ||||
| Type | total Elongation Under Load | min MPa | max | ||||||
| min | max | HRC | HBW | mm | HRC | ||||
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 |
| H40 | — | 0.5 | 276 | 552 | 414 | — | — | — | — |
| J55 | — | 0.5 | 379 | 552 | 517 | — | — | — | — |
| k55 | — | 0.5 | 379 | 552 | 655 | — | — | — | — |
| n80 | 1 | 0.5 | 552 | 758 | 689 | — | — | — | — |
| N80 | Q | 0.5 | 552 | 758 | 689 | — | — | — | — |
| R95 | — | 0.5 | 655 | 758 | 724 | — | — | — | — |
| l80 L80 | 1 | 0.5 | 552 | 655 | 655 | 23 | 241 | — | — |
| L80 | 9Cr 13Cr | 0.5 | 552 | 655 | 655 | 23 | 241 | — | — |
| 0.5 | 552 | 655 | 655 | 23 | 241 | — | — | ||
| C90 | 1 | 0.5 | 621 | 724 | 689 | 25.4 | 255 | £12.70 | 3 |
| 12.71 to 19.04 | 4 | ||||||||
| 19.05 to 25.39 | 5 | ||||||||
| ³ 25.40 | 6 | ||||||||
| T95 | 1 | 0.5 | 655 | 758 | 724 | 25.4 | 255 | £12.70 | 3 |
| 12.71 to 19.04 | 4 | ||||||||
| 19.05 to 25.39 | 5 | ||||||||
| ³ 25.40 | 6 | ||||||||
| C110 | — | 0.7 | 758 | 828 | 793 | 30 | 286 | £12.70 | 3 |
| 12.71 to 19.04 | 4 | ||||||||
| 19.05 to 25.39 | 5 | ||||||||
| ³ 25.40 | 6 | ||||||||
| p110 | — | 0.6 | 758 | 965 | 862 | — | — | — | — |
| Q125 | 1 | 0.65 | 862 | 1034 | 931 | b | — | £12.70 | 3 |
| 12.71 to 19.04 19.05 | 4 | ||||||||
| 5 | |||||||||
| a In case of dispute, laboratory Rockwell C hardness testing shall be used as the referee method. | |||||||||
| b No hardness limits are specified, but the maximum variation is restricted as a manufacturing control in accordance with 7.8 and 7.9. | |||||||||
| c For through-wall hardness tests of grades L80 (all types), c90, T95 and C110, the requirements stated in HRC scale are for maximum mean hardness number. | |||||||||
In addition to its corrosion resistance, the 201/202/310S round square welded tube black alloy oil stainless steel pipe also offers high strength and durability. Stainless steel pipes are known for their strength and durability, and the 201/202/310S round square welded tube black alloy oil stainless steel pipe is no exception. This pipe is designed to withstand high pressure and temperature, making it suitable for a wide range of applications where strength and durability are essential.
