China's high quality seamless steel pipe supplier

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  • China's high quality seamless steel pipe supplier
  • China's high quality seamless steel pipe supplier
  • China's high quality seamless steel pipe supplier

PRODUCTS DETAILS

ASTM A53 Gr.B Black and hot-dipped zinc-coated steel pipes welded and seamless
ASTM A106 Gr.B Seamless carbon steel for high temperature service
ASTM SA179  Seamless cold-drawn low-carbon steel heat exchanger and condenser tubes
ASTM SA192  Seamless carbon steel boiler tubes for high pressure
ASTM SA210  Seamless Medium-carbon boiler and superheater tubes
ASTM A213 Seamless alloy-steel boiler, superheater, and heat-exchanger tubes
ASTM A333 GR.6 seamless and welded carbon and alloy steel pipe intended for use at low temperatures.
ASTM A335 P9, P11, T22, T91 Seamless ferritic alloy-steel pipe for high-temperature service
ASTM A336  Alloy steel forgings for pressure and high-temperature parts
ASTM SA519 4140/4130 Seamless carbon for mechanical tubing
API Spec 5CT J55/K55/N80/L80/P110/K55 Seamless steel pipe for casing
API Spec 5L PSL1/PSL2 Gr.b, X42/46/52/56/65/70 Seamless steel pipe for line pipe
DIN 17175 Seamless steel tube for elevated temperture
DN2391  Cold drawn seamless prevision pipe
DIN 1629  Seamless circular unalloyed steel tubes subject to special requirements

Specification

Application

Types Application
Structure Purposes General structure and mechanical
Liquid Services Petroleum, gas and other fluids conveying
Low and Medium Pressure Boiler Tube 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 Pipe Geological drilling
Furnace tubes, heat exchangers tubes Furnace tubes, heat exchangers
Chemical Composition and Mechanical Properties
Standard 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
ASTM A179 A179 0.06-0.18 - 0.27-0.63 ≤0.035 ≤0.035 ≥325 ≥180
ASTM A192 A192 0.06-0.18 ≤0.25 0.27-0.63 ≤0.035 ≤0.035 ≥325 ≥180
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 ≥552
Tolerances
Pipe types Pipe sizes(mm) Tolerances
Hot rolled OD<50 ±0.50mm
OD≥50 ±1%
WT<4 ±12.5%
WT 4~20 +15%, -12.5%
WT>20 ±12.5%
Cold drawn OD 6~10 ±0.20mm
OD 10~30 ±0.40mm
OD 30~50 ±0.45
OD>50 ±1%
WT≤1 ±0.15mm
WT 1~3 +15%, -10%
WT >3 +12.5%, -10%
Chilled water pipe Steam/condensate pipe Heat exchanger pipe Marine/offshore pipe Dredging pipe Industrial pipe
Oil and gas pipe Fire fighting pipe Construction/structure pipe Irrigation pipe Drain/sewage pipe Boiler tube

Hot Products

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Enjoy factory price Spectacles blind flange

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Flange stainless steel welded neck flange

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Threaded / Screwed Hex Nipple

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Quality assurance for high-quality butt welded flanges

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Low moq metal square tube price square steel bar tube rectangular tubes

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MS ERW hollow section square Rectangle Round pipe Hollow Iron Pipe Welded Black Steel Pipe Tube

Threaded / Screwed Pipe Nipple

Threaded / Screwed Pipe Nipple

ANSI B16.5 socket welding flanges

ANSI B16.5 socket welding flanges

China's high quality seamless steel pipe supplier

China's high quality seamless steel pipe supplier

Long weld neck flange

Long weld neck flange

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