Seamless Steel Pipe & Tube,Carbon Seamless Steel Pipe,SMLS Pipe & Tube, CS Seamless Pipe,Black Seamless Pipe, GI Seamless Pipe
Seamless Steel Pipe(SMLS Pipe)
Maximum diameter: 36" (914.4mm) minimum diameter: 1/4" (10.3mm)
Maximum thickness: 60mm mininmum thickness: 2.11mm
SCH: SCH10,SCH20,STD,SCH40,SCH60,XS,SCH80,SCH100,SCH120,SCH160,XXS
Standard of carbon seamless steel pipe
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 temperature |
DN2391 | Cold drawn seamless prevision pipe |
DIN 1629 | Seamless circular unalloyed steel tubes subject to special requirements |
Chemical components & mechanical properties
Standard | Grade | Chemical Components (%)
| Mechanical Properties
|
ASTM A53 | C
| Si
| Mn
| P
| S
| Tensile STrength(Mpa)
| Yield STrength(Mpa)
|
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 SA179 | A179 | 0.06-0.18
| - | 0.27-0.63
| ≤0.035
| ≤0.035
| ≥325 | ≥180
|
ASTM SA192 | A192 | 0.06-0.18
| ≤0.25
| 0.27-0.63
| ≤0.035
| ≤0.035
| ≥325
| ≥180
|
API 5L PSL1 | A | 0.22
| - | 0.90
| 0.030
| 0.030
| ≥331
| ≥207
|
B
| 0.28
| - | 1.20 | 0.030
| 0.030
| ≥414
| ≥241
|
X42
| 0.28
| - | 1.30 | 0.030
| 0.030
| ≥414
| ≥290
|
X46
| 0.28
| - | 1.40 | 0.030
| 0.030
| ≥434
| ≥317
|
X52
| 0.28
| - | 1.40
| 0.030
| 0.030
| ≥455
| ≥359
|
X56
| 0.28
| - | 1.40
| 0.030
| 0.030
| ≥490
| ≥386 |
X60
| 0.28
| - | 1.40
| 0.030
| 0.030
| ≥517
| ≥448 |
X65
| 0.28
| - | 1.40
| 0.030
| 0.030
| ≥531
| ≥448 |
X70
| 0.28
| - | 1.40
| 0.030
| 0.030
| ≥565
| ≥483
|
API 5L PSL2 | B
| 0.24
| - | 1.20
| 0.025
| 0.015
| ≥414
| ≥241
|
X42
| 0.24
| - | 1.30
| 0.025
| 0.015
| ≥414
| ≥290
|
X46
| 0.24
| - | 1.40
| 0.025
| 0.015
| ≥434
| ≥317
|
X52
| 0.24
| - | 1.40
| 0.025
| 0.015
| ≥455
| ≥359
|
X56
| 0.24
| - | 1.40
| 0.025
| 0.015
| ≥490
| ≥386
|
X60
| 0.24
| - | 1.40
| 0.025
| 0.015
| ≥517
| ≥414
|
X65
| 0.24
| - | 1.40
| 0.025
| 0.015
| ≥531
| ≥448
|
X70
| 0.24
| - | 1.40
| 0.025
| 0.015
| ≥565
| ≥483
|
X80
| 0.24
| - | 1.40
| 0.025
| 0.015
| ≥621
| ≥552 |
Classfication of carbon seamless steel pipe
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 |
Tolerances of carbon seamless steel pipe
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% |
Petroleum cracking pipe,Boiler and superheated steam pipe,Boiler Tube,Mechanical structure pipe,Automobile half axle sleeve,Ship pipe,Geological drilling pipe,petroleum pipe,line pipe,Water pipe,Natural gas pipeline,Container tube
Mechanical properties of seamless pipes
Strict product inspection
Each steel pipe must pass the inspection layer by layer. Only the products that pass the inspection can leave the factory. Never let an unqualified product flow into the market
Seamless steel pipe coating:
3PE
|
3PP
|
FBE Coating
|
Epoxy Coating
|
Special Painting
|
Galvanization
|
Oiling
|
Painting
|
Bare
|
Galvanized aluminum magnesium
|
anticorrosive
|
|
Black seamless pipe production cycle:
Under normal conditions,3-30 days,It also depends on the quantity and difficulty of production.Can communicate with the account manager.
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Seamless steel pipe Delivery cycle
Southeast Asia generally takes 15 days, South Africa takes 45 days, the Middle East takes 30 days, Europe takes 45 days, Japan takes 5 days, India takes 30 days, North America takes 30 days, Russia's Far East takes 7 days, and South Korea takes 5 days