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| Type | Application | STANDARD | MATERIAL |
| Alloy steel | petroleum, chemical industry, electricity, boilerindustry for high temperature resistant, low temperature resistance,Corrosion resistance | ASTM SA335 | A335,P22, P9,eg |
| Stainless steel | oil, aviation, metallurgy, food, water conservancy, electric power, chemical industry,Chemical, , pharmaceutical machinery, etc | ASTM A213 ASTM A312 | 304(L),316(L) |
| Mild steel | 45 ℃ ~ 195 ℃ level-low temperature and low pressure vessel pipe heat exchanger pipe | ASTM A333 | A333 GR6 |
| High pressure boiler tube | manufacturing by high pressure boiler tube, the collection box, steam pipe, etc | ASTM SA106 | A106 GRB |
| SMLS steel liquid service | transmission fluid general seamless steel tube | ASTM A106 ASTM A53 | A53 B A106 B |
| general structure Tube | general structure, engineering scaffolds,mechanical processing,etc | ASTM A53 | A53 B |
| Line pipe | oil and natural gas industry, the oxygen in the water, the oil pipe | API 5L | A,B,X42,X46, X52,X56,X60,eg |
| Straighe seem steel pipe | general structure stents, low voltage liquid transportation, etc | GB/T13793-1992 GB3091-2001 | Q235B Q345B |
| Spiral steel pipe | low voltage liquid transportation with steel pipes | SY/T5037-2000 | Q235B Q345B |
p22 alloy steel pipe
