Specifications: diameter: 320 to 127 mm thickness: 0.4 to 12.7 mm Length: 6 m above, and, in accordance with customer demand, supply and other specifications of steel pipe

API 5L X70 Pipe,API 5L X70 Line pipe

API 5L X70 Pipe

We are making carbon steel seamless pipes and stainless steel welded pipes in quality material which are durable in use and long lasting. These steel pipes are fruitfully supporting and playing the main part in the pipe fittings where liquid flow is made possible and effective.

API 5L X70 Pipe


We have advanced production line where we are producing various types and categories of carbon steel seamless and stainless steel products for general and commercial uses. 


Seamless, ERW,

ANSI B36.10, ANSI B36.19

Material Grades
Carbon Steel
ASTM A53 Gr. B, ASTM A106 Gr. B, ASTM A333, Gr.3, Gr.6
API 5LA, B, X42, X46, X52, X56, X60, X65, X70


Mass fraction, based upon heat and product analysis a
C Mn P   S V Nb Ti
maxb max.b min. max. max. max. max. max.
0.28e 1.40e - 0.030 0.030 f f f
0.26e 1.65e - 0.030 0.030 f f f
a 0.50% maximum for copper, 0.50% maximum for nickel, 0.50% maximum for chromium, and 0.15% maximum for molybdenum. For grades up to and including L360/X52, Cu, Cr and Ni shall not be added intentionally.
b For each reduction of 0.01% below the specified maximum concentration for carbon, an increase of 0.05% above the specified maximum concentration for manganese is permissible, up to a maximum of 1.65% for grades = L245 or B, but = L360 or X52; up to a maximum of 1.75% for grades > L360 or X52, but < L485 or X70; and up to a maximum of 2.00% for grade L485 or X70.
e Unless otherwise agreed.
f Unless otherwise agreed, the sum of niobium, vanadium and titanium concentrations shall be = 0.15%.

API 5L X70 Pipeline

Weld seam of EW, SAW and COW pipes
Y.Sa T.Sa ELONGATION Tensile Strengthb
Mpa(psi) Mpa(psi)   Mpa(psi)
min min min min
485(70 300) 570(82 700) c 570 (82 700)
a For intermediate grades, the differencec between the specified minimum tensile strength and the specified minimum yield strength for the pipe body shall be as given in the table for the next higher grade.
b For Intermediate grades, the specified minimum tensile strength for the weld seam shall be the same value as was determines for the pipe body using footnote a)
c The specified minimum elongation, Af, expressed in percent and rounded to the nearest percent, shall be as determined using the following equation:


We are the manufacturers of various grades of metals which are being produced in different specifications such as carbon steel, alloy steel, stainless steel, duplex stainless steel, special alloy, seamless pipes and tubes.
We are producing different types of metallic grade products which are being providing support in construction needs and pipe fittings in various aspects. 

上一篇:Welded Pipes - API 5L Gr.B,EN 10217,DIN 24338,EN 10305,EN 10

下一篇:JIS G3456 high temperature Carbon steel pipe

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