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Our API Specification

API 5L X 56 PSL 1

RELIABLE PIPES AND TUBES LIMITED is one of the largest stockists, manufacturer, distributor, trader of API 5L Grade X56 PSL1 pipes.

We deal in following Grades :

API 5L Grade X56 PSL1 Seamless Pipe
API 5L Grade X56 PSL1 Welded Pipe
API 5L Grade X56 PSL1 ERW Pipe
API 5L Grade X56 PSL1 HFW Pipe
API 5L Grade X56 PSL1 SAW Pipe
API 5L Grade X56 PSL1 LSAW Pipe
API 5L Grade X56 PSL1 DSAW Pipe
API 5L Grade X56 PSL1 HSAW Pipe
API 5L Grade X56 PSL1 SMLS Pipe
API 5L Grade X56 PSL1 Sour Service Pipe
API 5L Grade X56 PSL1 Offshore Service Pipe
API 5L Grade X56 PSL1 HIC tested Pipe
API 5L Grade X56 PSL1 SSC tested Pipe
API 5L Grade X56 PSL1 Low Sulphur Pipe

Carbon Steel Pipe Grade L390 Carbon Steel Pipe Grade X56 CS Pipe Grade L390 CS Pipe Grade X56
Carbon Steel Seamless Pipe Grade L390 Carbon Steel Seamless Pipe Grade X56 CS Seamless Pipe Grade L390 CS Seamless Pipe Grade X56
Carbon Steel Welded Pipe Grade L390 Carbon Steel Welded Pipe Grade X56 CS Welded Pipe Grade L390 CS Welded Pipe Grade X56
Carbon Steel ERW Pipe Grade L390 Carbon Steel ERW Pipe Grade X56 CS ERW Pipe Grade L390 CS ERW Pipe Grade X56
Carbon Steel HFW Pipe Grade L390 Carbon Steel HFW Pipe Grade X56 CS HFW Pipe Grade L390 CS HFW Pipe Grade X56
Carbon Steel LSAW Pipe Grade L390 Carbon Steel LSAW Pipe Grade X56 CS LSAW Pipe Grade L390 CS LSAW Pipe Grade X56
Carbon Steel DSAW Pipe Grade L390 Carbon Steel DSAW Pipe Grade X56 CS DSAW Pipe Grade L390 CS DSAW Pipe Grade X56
Carbon Steel HSAW Pipe Grade L390 Carbon Steel HSAW Pipe Grade X56 CS HSAW Pipe Grade L390 CS HSAW Pipe Grade X56
Carbon Steel Spiral Pipe Grade L390 Carbon Steel Spiral Pipe Grade X56 CS Spiral Pipe Grade L390 CS Spiral Pipe Grade X56
Carbon Steel Sour Service Pipe Grade L390 Carbon Steel Sour Service Pipe Grade X56 CS Sour Service Pipe Grade L390 CS Sour Service Pipe Grade X56
Carbon Steel Off Shore Service Pipe Grade L390 Carbon Steel Off Shore Service Pipe Grade X56 CS Off Shore Service Pipe Grade L390 CS Off Shore Service Pipe Grade X56
API Pipe Grade L390 API Pipe Grade X56 Carbon Steel Pipe Grade L390N Carbon Steel Pipe Grade X56N
API Seamless Pipe Grade L390 API Seamless Pipe Grade X56 Carbon Steel Seamless Pipe Grade L390N Carbon Steel Seamless Pipe Grade X56N
API Welded Pipe Grade L390 API Welded Pipe Grade X56 Carbon Steel Welded Pipe Grade L390N Carbon Steel Welded Pipe Grade X56N
API ERW Pipe Grade L390 API ERW Pipe Grade X56 Carbon Steel ERW Pipe Grade L390N Carbon Steel ERW Pipe Grade X56N
API HFW Pipe Grade L390 API HFW Pipe Grade X56 Carbon Steel HFW Pipe Grade L390N Carbon Steel HFW Pipe Grade X56N
API LSAW Pipe Grade L390 API LSAW Pipe Grade X56 Carbon Steel LSAW Pipe Grade L390N Carbon Steel LSAW Pipe Grade X56N
API DSAW Pipe Grade L390 API DSAW Pipe Grade X56 Carbon Steel DSAW Pipe Grade L390N Carbon Steel DSAW Pipe Grade X56N
API HSAW Pipe Grade L390 API HSAW Pipe Grade X56 Carbon Steel HSAW Pipe Grade L390N Carbon Steel HSAW Pipe Grade X56N
API Spiral Pipe Grade L390 API Spiral Pipe Grade X56 Carbon Steel Spiral Pipe Grade L390N Carbon Steel Spiral Pipe Grade X56N
API Sour Service Pipe Grade L390 API Sour Service Pipe Grade X56 Carbon Steel Sour Service Pipe Grade L390N Carbon Steel Sour Service Pipe Grade X56N
API Off Shore Service Pipe Grade L390 API Off Shore Service Pipe Grade X56 Carbon Steel Off Shore Service Pipe Grade L390N Carbon Steel Off Shore Service Pipe Grade X56N
CS Pipe Grade L390N CS Pipe Grade X56N API Pipe Grade L390N API Pipe Grade X56N
CS Seamless Pipe Grade L390N CS Seamless Pipe Grade X56N API Seamless Pipe Grade L390N API Seamless Pipe Grade X56N
CS Welded Pipe Grade L390N CS Welded Pipe Grade X56N API Welded Pipe Grade L390N API Welded Pipe Grade X56N
CS ERW Pipe Grade L390N CS ERW Pipe Grade X56N API ERW Pipe Grade L390N API ERW Pipe Grade X56N
CS HFW Pipe Grade L390N CS HFW Pipe Grade X56N API HFW Pipe Grade L390N API HFW Pipe Grade X56N
CS LSAW Pipe Grade L390N CS LSAW Pipe Grade X56N API LSAW Pipe Grade L390N API LSAW Pipe Grade X56N
CS DSAW Pipe Grade L390N CS DSAW Pipe Grade X56N API DSAW Pipe Grade L390N API DSAW Pipe Grade X56N
CS HSAW Pipe Grade L390N CS HSAW Pipe Grade X56N API HSAW Pipe Grade L390N API HSAW Pipe Grade X56N
CS Spiral Pipe Grade L390N CS Spiral Pipe Grade X56N API Spiral Pipe Grade L390N API Spiral Pipe Grade X56N
CS Sour Service Pipe Grade L390N CS Sour Service Pipe Grade X56N API Sour Service Pipe Grade L390N API Sour Service Pipe Grade X56N
CS Off Shore Service Pipe Grade L390N CS Off Shore Service Pipe Grade X56N API Off Shore Service Pipe Grade L390N API Off Shore Service Pipe Grade X56N
Carbon Steel Pipe Grade L390Q Carbon Steel Pipe Grade X56Q CS Pipe Grade L390Q CS Pipe Grade X56Q
Carbon Steel Seamless Pipe Grade L390Q Carbon Steel Seamless Pipe Grade X56Q CS Seamless Pipe Grade L390Q CS Seamless Pipe Grade X56Q
Carbon Steel Welded Pipe Grade L390Q Carbon Steel Welded Pipe Grade X56Q CS Welded Pipe Grade L390Q CS Welded Pipe Grade X56Q
Carbon Steel ERW Pipe Grade L390Q Carbon Steel ERW Pipe Grade X56Q CS ERW Pipe Grade L390Q CS ERW Pipe Grade X56Q
Carbon Steel HFW Pipe Grade L390Q Carbon Steel HFW Pipe Grade X56Q CS HFW Pipe Grade L390Q CS HFW Pipe Grade X56Q
Carbon Steel LSAW Pipe Grade L390Q Carbon Steel LSAW Pipe Grade X56Q CS LSAW Pipe Grade L390Q CS LSAW Pipe Grade X56Q
Carbon Steel DSAW Pipe Grade L390Q Carbon Steel DSAW Pipe Grade X56Q CS DSAW Pipe Grade L390Q CS DSAW Pipe Grade X56Q
Carbon Steel HSAW Pipe Grade L390Q Carbon Steel HSAW Pipe Grade X56Q CS HSAW Pipe Grade L390Q CS HSAW Pipe Grade X56Q
Carbon Steel Spiral Pipe Grade L390Q Carbon Steel Spiral Pipe Grade X56Q CS Spiral Pipe Grade L390Q CS Spiral Pipe Grade X56Q
Carbon Steel Sour Service Pipe Grade L390Q Carbon Steel Sour Service Pipe Grade X56Q CS Sour Service Pipe Grade L390Q CS Sour Service Pipe Grade X56Q
Carbon Steel Off Shore Service Pipe Grade L390Q Carbon Steel Off Shore Service Pipe Grade X56Q CS Off Shore Service Pipe Grade L390Q CS Off Shore Service Pipe Grade X56Q
API Pipe Grade L390Q API Pipe Grade X56Q Carbon Steel Pipe Grade L390M Carbon Steel Pipe Grade X56M
API Seamless Pipe Grade L390Q API Seamless Pipe Grade X56Q Carbon Steel Seamless Pipe Grade L390M Carbon Steel Seamless Pipe Grade X56M
API Welded Pipe Grade L390Q API Welded Pipe Grade X56Q Carbon Steel Welded Pipe Grade L390M Carbon Steel Welded Pipe Grade X56M
API ERW Pipe Grade L390Q API ERW Pipe Grade X56Q Carbon Steel ERW Pipe Grade L390M Carbon Steel ERW Pipe Grade X56M
API HFW Pipe Grade L390Q API HFW Pipe Grade X56Q Carbon Steel HFW Pipe Grade L390M Carbon Steel HFW Pipe Grade X56M
API LSAW Pipe Grade L390Q API LSAW Pipe Grade X56Q Carbon Steel LSAW Pipe Grade L390M Carbon Steel LSAW Pipe Grade X56M
API DSAW Pipe Grade L390Q API DSAW Pipe Grade X56Q Carbon Steel DSAW Pipe Grade L390M Carbon Steel DSAW Pipe Grade X56M
API HSAW Pipe Grade L390Q API HSAW Pipe Grade X56Q Carbon Steel HSAW Pipe Grade L390M Carbon Steel HSAW Pipe Grade X56M
API Spiral Pipe Grade L390Q API Spiral Pipe Grade X56Q Carbon Steel Spiral Pipe Grade L390M Carbon Steel Spiral Pipe Grade X56M
API Sour Service Pipe Grade L390Q API Sour Service Pipe Grade X56Q Carbon Steel Sour Service Pipe Grade L390M Carbon Steel Sour Service Pipe Grade X56M
API Off Shore Service Pipe Grade L390Q API Off Shore Service Pipe Grade X56Q Carbon Steel Off Shore Service Pipe Grade L390M Carbon Steel Off Shore Service Pipe Grade X56M
CS Pipe Grade L390M CS Pipe Grade X56M API Pipe Grade L390M API Pipe Grade X56M
CS Seamless Pipe Grade L390M CS Seamless Pipe Grade X56M API Seamless Pipe Grade L390M API Seamless Pipe Grade X56M
CS Welded Pipe Grade L390M CS Welded Pipe Grade X56M API Welded Pipe Grade L390M API Welded Pipe Grade X56M
CS ERW Pipe Grade L390M CS ERW Pipe Grade X56M API ERW Pipe Grade L390M API ERW Pipe Grade X56M
CS HFW Pipe Grade L390M CS HFW Pipe Grade X56M API HFW Pipe Grade L390M API HFW Pipe Grade X56M
CS LSAW Pipe Grade L390M CS LSAW Pipe Grade X56M API LSAW Pipe Grade L390M API LSAW Pipe Grade X56M
CS DSAW Pipe Grade L390M CS DSAW Pipe Grade X56M API DSAW Pipe Grade L390M API DSAW Pipe Grade X56M
CS HSAW Pipe Grade L390M CS HSAW Pipe Grade X56M API HSAW Pipe Grade L390M API HSAW Pipe Grade X56M
CS Spiral Pipe Grade L390M CS Spiral Pipe Grade X56M API Spiral Pipe Grade L390M API Spiral Pipe Grade X56M
CS Sour Service Pipe Grade L390M CS Sour Service Pipe Grade X56M API Sour Service Pipe Grade L390M API Sour Service Pipe Grade X56M
CS Off Shore Service Pipe Grade L390M CS Off Shore Service Pipe Grade X56M API Off Shore Service Pipe Grade L390M API Off Shore Service Pipe Grade X56M



API 5L X 56 PSL 1

CHEMICAL COMPOSITION
Mass fraction, based upon heat and product analysis a
SEAMLESS PIPE
C Mn  P S V Nb Ti
maxb max.b min. max. max. max. max. max.
0.28 1.40 - 0.030 0.030 d d d
WELDED PIPE
0.26 1.40 - 0.030 0.030 d d d

a 0.50% maximum for copper, 0.50% maximum for nickel, 0.50% maximum for chromium, and 0.15% maximum for molybdenum.

b For each reduction of 0.01% below the specified maximum concetration for carbon, an increase of 0.05%

c The sum of the niobium ,vanadium and titanium concentratons shall be =0.06%.

MECHANICAL REQUIREMENTS
 
Y.S T.S ELONGATION
Mpa(psi) Mpa(psi)
min min min
390(56 600) 490(71 100) f

f    The specified minimum elongation, Af,   shall be as determined using the following equation:



Our API Specification
 
Our API Specification
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