Line tube

3 125

Line tube/API 5L line tube

1. Pipe Diameter:1/8'' -- 24''

2. Wall Thickness: 0.5mm--30mm

Length: as your requirement

Place of Origin: Shandong China

Technique: Seamless

3. Steel Grade: API A53Gr.B, A 106Gr.B, API 5LB, 5LX42,5LX46,5LX52,etc.

4. Standards: ASTM, DIN, JIS, GB

5. Applications: For conveying gas and oil in both the oil and natural gas industries.

6. Outer packing: In bundles or seaworthy wooden cases. With or without edge protector,

steel hoop and seals or as per customer's requestments.

7. Marking: as per customer's requests.With or without end caps, varnish or as per client's


Other steel grade is available as per client's requirements.

Bevelled/plain end or varnished as per client's confirmation

Dimensions,Mechanical properties, Chemical compositions:

Refer to API 5L or as per client's requirements.


Standard specification

Standard No.

Normal Steel Grade

Casing and Tubeing


J55, N80, P110, L80, C90, T95

Line pipe


A, B, X42, X46, X52, X60

Drill pipe


E-75, X-95, G-105,S-135

Pipe steel, Black and hot-dipped,

Zine-coated, welded and seamless



A, B

Standard specification for

Seamless Carbon Steel Pipe

for high temperature service


A, B, C

Standard specification for

Seamless Carbon Steel Boiler Tubes

for High-Pressure Service




Standard specification for Hot-Formed

Welded and Seamless Carbon Steel

Structural Tubing in Rounds and Shapes


A, B, C, D

Standard specification for Hot-Formed

Welded and Seamless Carbon Steel

Structural Tubing



Alloy steel tubes for machine purposes

JIS G3441



Common structural Carbon steel pipe

JIS G3444

STK390, STK400,STK500,STK490,STK540

Carbon steel pipes for ordinary piping

JIS G3452


Carbon steel pipes for pressure service

JIS G3454

STPG370, STPT410

Carbon steel pipes for high temperature


JIS G3456


Seamless precision steel tube

DIN 17175

St30Si, St30Ai, St45,St52


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