seamless pipe OD: 1/4" -36": 1/8'', 1/4'', 3/8'', 1/2'', 3/4'', 1'', 11/4'', 2'', 21/2'', 2'', 21/2'', 3'', 31/2'', 4'', 5'', 6'', 8'',10'', 12'', 14'',16'', 18'', 20'', 22'', 24'',26'', 28'', 30'', 32''ect...2) Wall thickness: SCH10- SCH160

Seamless steel pipe

seamless pipe,SMLS steel pipe

Applicable to the general structure, mechanical structure, Low, medium and high pressure boiler,
transportation for gas, water, oil and natural gas, tubes for heat exchanger and chemical fertilizer
equipments, for hydraul hydraulic pillar service etc..

1.Carbon steel pipe: ASTM A106,A53, ASTM A179, ASTM A192,DIN17175 ST45.8 ST35.8
2.Alloy steel pipe: ASTM A335,ASTM A213
3.Stainless steel pipe: ASTM A312,ASTM A213
4.Line pipe and cashing pipe: API5L ,API 5CT

Out Diameter:
1/8 – 30 inch (10.3-762mm)

Wall Thickness:
0.049” – 2.5” (1.24- 63.5mm)

Random Length, Fixed Length, SRL, DRL

Steel Grade:
API 5L: GR B, X42, X46, X56, X60, X65, X70
ASTM A53/A106: GR A, GR B, GR C
ASME SA192: SA192
ASME SA209M: T1, T1a
ASME SA210: GR.A-1, GR.C
ASME SA213: T2, T5, T9, T11, T12, T22
ASME SA335: P2, P5, P9, P11, P12, P22, P91
DIN17175:ST35.8, ST45.8, 15Mo3, 13CrMo44

Heat treatment:
Annealed: Bright annealed,Spheroidize annealed, Normalized, Stress relieved,
Cold finished, Quenched and Tempered

Delivery Condition:


Dimension Tolerance:

Steel Pipe Specification

Steel Pipe Outside Diameter(D)

Steel Pipe Wall Thickness(S)

Pipe Body

Steel Pipe Outside Diameter (mm)

Allowable deviation (mm)

Steel Pipe Outside Diameter (mm)

Allowable Deviation (mm)

≥60.3 and S<20




≥60.3 and S≥20


>73.0 and S<20




>73.0 and S≥20



Seamless steel pipe Wall thickness(mm)


steel pipe wall thickness , seamless steel pipe schedules

Seamless Oil Casing Pipe

Production Standard: API SPEC 5CT\API SPEC 5B | Steel grade: J55, K55, L80, N80, C95, P110, L80, O. D. Range Tubing: From 2-3/8"to 4-1/2"(EUE/NU) .

black Steel Seamless Pipe

1. Material: 20# (ASTM A106/A53 GRB. API 5L GRB, GB)  2. Specification range: OD: 1/2inch---24inch (1/2" to 24" ). 21.3-609.6mm  WT: SCH 40 SCH80 SCH160 2-60mm  .

SCH 40 Pipe

schedule 40 steel pipe  DN50 SCH40 seamless steel pipe  Specifications A106 grade B Seamless SCH40 Steel Pipe  1:ASTM A106/A53-B API5L-B  2:OD:34-406mmWT:2-80  3:ISO& API,BV,I .

Schedule 80 Pipe

schedule 80 Black steel pipes seamless . Diameter of The Steel Pipe: O.D:1/2"-24",or 10-610mm Thickness of The Steel Pipe:SCH10S- SCH160 Length: 5.8-12m . Standard of The Steel Pipe: GB/T, ASTM, DIN, JIS, API .

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