| Seamless steel pipe grades, standards, applications | ||||
| product | Spot material | Executive standard | Spot Specifications | Applications |
| alloy pipe | 12Cr1MoVG | GB/T5310- 2008 | ∮8- 1240*1-200 | Suitable for seamless steel pipes for high temperature, low temperature and corrosion resistance in petroleum, chemical, electric power and boiler industries |
| 12CrMoG | GB6479-2000 | |||
| 15CrMoG | GB9948-2006 | |||
| 12Cr2Mo<A335P22> | DIN17175-79 | |||
| Cr5Mo<A335P5> | ASTM SA335 | |||
| Cr9Mo<A335P9> | ASTM SA213 | |||
| 10Cr9Mo1VNb<A335P91 > |
JISG3467-88 | |||
| 15NiCuMoNb5<WB36> | JISG3458-88 | |||
| cryogenic tube | 16MnDG、10MnDG、 09DG |
GB/T18984-2003 | ∮8- 1240*1-200 | Suitable for -45℃～-195℃ grade low temperature pressure vessel pipes and seamless steel pipes for low temperature heat exchanger pipes |
| 09Mn2VDG、 06Ni3MoDG |
ASTM A333 | |||
| ASTM A333Grade1 | ||||
| ASTM A333Grade3 | ||||
| ASTM A333Grade4 | ||||
| ASTM A333Grade6 | ||||
| ASTM A333Grade7 | ||||
| ASTM A333Grade8 | ||||
| ASTM A333Grade9 | ||||
| ASTM A333Grade10 | ||||
| ASTM A333Grade11 | ||||
| High pressure boiler tube | 20G | GB5310-2008 | ∮8- 1240*1-200 | Suitable for manufacturing high pressure boiler heating tubes, headers, steam pipes, etc. |
| ASTM SA106B/C | ASTM SA106 | |||
| ASTM SA210A/C | ASTM SA210 | |||
| ST45.8-III | DIN17175-79 | |||
| High pressure fertilizer pipe | 10 | GB6479-2000 | ∮8- 1240*1-200 | Applicable to the working temperature of -40–400 ℃ As a chemical equipment with a pressure of 10-32Mpa |
| 20 | ||||
| 16Mn | ||||
| Petroleum Cracking Tube | 10 | GB9948-2006 | ∮8-630*1- 60 | Furnace tubes, heat exchange for petroleum refineries |
| 20 | ||||
| Low and medium pressure boiler tubes | 10# | GB3087-2008 | ∮8- 1240*1-200 | Suitable for the manufacture of low and medium pressure of various structures Boilers and Locomotive Boilers |
| 20# | ||||
| 16Mn<Q345A.B.C.D.E | ||||
| delivery fluid tube | 10#、20# | GB/T8163-2008 | ∮8- 1240*1-200 | General seamless steel pipe suitable for conveying fluids |
| ASTM A106A,B,C、 A53A,B |
ASTM A106 | |||
| 16Mn<Q345A.B.C.D.E | ASTM A53 | |||
| General Structural Pipe | 10#、20#、45#、 27SiMn |
GB/T8162-2008 | ∮8- 1240*1-200 | Suitable for general structures, engineering supports, machining, etc. |
| ASTM A53A,B | GB/T17396-1998 | |||
| 16Mn<Q345A,B,C,D,E > |
ASTM A53 | |||
| Oil Casing | J55、K55、N80、L80 | API SPEC 5CT | ∮60.23- 508.00 |
Oil pipes are used to extract oil or natural gas in oil wells Gas casing for oil and gas |
| C90、C95、P110 | ISO11960 | *4.24-16.13 | ||
| line pipe | A、B、X42、X46、 X52、X56、X60、X65 、X70、X80、、X95 |
API SPEC 5L | ∮32- 1240*3-100 | Oxygen, water and oil delivery pipes in the oil and gas industry |
| L245、L290、L360、 L415、L450 |
GB/T9711.1 | |||
| GB/T9711.2 | ||||
| Straight seam steel pipe | 20、Q195、Q215A,B | GB/T13793-1992 | ∮32- 630*1-30 | Suitable for general structural supports, low pressure fluid delivery, etc. |
| Q235A,B、 Q345A,B,C,D,E |
GB3091-2001 | |||
| Spiral steel pipe | Q235A-B、Q345A-E | SY/T5037-2000 | 219- 2820*4-20 |
|