PSL1 PSL2
Grade | Chemical Components (%) | Mechanical Properties | ||||||
C | Si | Mn | P | S | Tensile STrength(Mpa) | Yield STrength(Mpa) | ||
ASTM A53 | A | ≤0.25 | - | ≤0.95 | ≤0.05 | ≤0.06 | ≥330 | ≥205 |
B | ≤0.30 | - | ≤1.2 | ≤0.05 | ≤0.06 | ≥415 | ≥240 | |
ASTM A106 | A | ≤0.30 | ≥0.10 | 0.29-1.06 | ≤0.035 | ≤0.035 | ≥415 | ≥240 |
B | ≤0.35 | ≥0.10 | 0.29-1.06 | ≤0.035 | ≤0.035 | ≥485 | ≥275 | |
API 5L PSL1 | A | 0.22 | - | 0.9 | 0.03 | 0.03 | ≥331 | ≥207 |
B | 0.28 | - | 1.2 | 0.03 | 0.03 | ≥414 | ≥241 | |
X42 | 0.28 | - | 1.3 | 0.03 | 0.03 | ≥414 | ≥290 | |
X46 | 0.28 | - | 1.4 | 0.03 | 0.03 | ≥434 | ≥317 | |
X52 | 0.28 | - | 1.4 | 0.03 | 0.03 | ≥455 | ≥359 | |
X56 | 0.28 | - | 1.4 | 0.03 | 0.03 | ≥490 | ≥386 | |
X60 | 0.28 | - | 1.4 | 0.03 | 0.03 | ≥517 | ≥448 | |
X65 | 0.28 | - | 1.4 | 0.03 | 0.03 | ≥531 | ≥448 | |
X70 | 0.28 | - | 1.4 | 0.03 | 0.03 | ≥565 | ≥483 | |
API 5L PSL2 | B | 0.24 | - | 1.2 | 0.025 | 0.015 | ≥414 | ≥241 |
X42 | 0.24 | - | 1.3 | 0.025 | 0.015 | ≥414 | ≥290 | |
X46 | 0.24 | - | 1.4 | 0.025 | 0.015 | ≥434 | ≥317 | |
X52 | 0.24 | - | 1.4 | 0.025 | 0.015 | ≥455 | ≥359 | |
X56 | 0.24 | - | 1.4 | 0.025 | 0.015 | ≥490 | ≥386 | |
X60 | 0.24 | - | 1.4 | 0.025 | 0.015 | ≥517 | ≥414 | |
X65 | 0.24 | - | 1.4 | 0.025 | 0.015 | ≥531 | ≥448 | |
X70 | 0.24 | - | 1.4 | 0.025 | 0.015 | ≥565 | ≥483 | |
X80 | 0.24 | - | 1.4 | 0.025 | 0.015 | ≥621 |
Standard | ||
GB standard | Seamless steel pipe for structural purpose | GB/T8162-2008 |
Seamless steel pipe for liuid service | GB/TB8163-2008 | |
Seamless steel tubes for low and medium boiler | GB/3087-1999 | |
Seamless steel tubes for high pressure boiler | GB/5310-1995 | |
Seamless carbon steel marine tubes | GB/T5312-1999 | |
High-pressure seamless steel tubes for chemical fertilizer equipments | GB/6479-2000 | |
ASTM standard | Black and hot-dipped zinc-coated steel pipes welded and seamless | ASTM A53 |
Seamless carbon steel for high temperature service | ASTM A106 | |
Seamless cold-drawn low-carbon steel heat exchanger and condenser tubes | ASTM A179 | |
Seamless carbon steel boiler tubes for high pressure | ASTM A192 | |
Seamless Medium-carbon boiler and superheater tubes | ASTM A210 | |
Seamless carbon for mechanical tubing | ASTM A519 | |
API standard | Seamless steel pipe for casing | API Spec 5CT |
Seamless steel pipe for line pipe | API Spec 5L | |
DIN standard | Seamless steel tube for elevated temperture | DIN 17175 |
Cold drawn seamless prevision pipe | DN2391 | |
Seamless circular unalloyed steel tubes subject to special requirements | DIN 1629 |
Types | |
Structure Purposes | General structure and mechanical |
Liquid Services | Petroleum, gas and other fluids conveying |
Low and Medium Pressure | Steam and boiler manufacturing |
Hydraulic Pillar Service | Hydraulic support |
Auto Semi-shaft Casing | Auto sem-shaft casing |
Line Pipe | Oil and gas conveying |
Tubing and Casing | Oil and gas conveying |
Drill Pipes | Well drilling |
Geological Drilling Pipes | Geological drilling |
Petroleum Cracking Tubes | Furnace tubes, heat exchangers |