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GOST pipe

GOST Pipe is one of the main products of ZGL GROUP with good price and quality, factory direct sales and factory supply. Our company is a professional supplier and manufacturer in China, with various products on sale.
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GOST  PIPE

ANSI / API 5L specifies the manufacture of two product levels (PSL1 and PSL2) of seamless and welded steel pipe for the use of a pipeline in the transportation of petroleum and natural gas. For material use in a sour service application, refer to Annex H; for offshore service application, refer to Annex J of API 5L 45th Edition.

 

Standard API 5L
Material GR.B
X42Q - X65Q
Outside Diameter 114.3mm-711mm
4"-28"
Thickness 6.02mm-12.7mm
SCH40-XXS
Length 6M 12M or Random
Surface Treatment Bare 3LPE
Package Bundle or loose
Wood box
Marking: acording to customer's requirement.
Delivery condition PSL1/PSL2

Chemical Composition

Chemical Composition for PSL 1 pipe
Steel Grade C Mn P S V Nb Ti
A 0.22 0.9 0.3 0.3 \ \ \
B 0.28 1.2 0.3 0.3 c,d c,d c,d
X42 0.28 1.3 0.3 0.3 d d d
X46 0.28 1.4 0.3 0.3 d d d
X52 0.28 1.4 0.3 0.3 d d d
X56 0.28 1.4 0.3 0.3 d d d
X60 0.28e 1.4e 0.3 0.3 f f f
X65 0.28e 1.4e 0.3 0.3 f f f
a. Cu ≤ = 0.50% Ni; ≤ 0.50%; Cr ≤ 0.50%; and Mo ≤ 0.15%,
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
Mn 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.,
c. Unless otherwise agreed NB + V ≤ 0.06%,
d. Nb + V + TI ≤ 0.15%,
e. Unless otherwise agreed.,
f. Unless otherwise agreed, NB + V = Ti ≤ 0.15%,
g. No deliberate addition of B is permitted and the residual B ≤ 0.001%

 

Chemical Composition for PSL 2 pipe
Steel Grade C Si Mn P S V Nb Ti Other CE IIW CE Pcm
X42Q 0.18 0.45 1.4 0.25 0.015 0.5 0.5 0.4 e,l 0.43 0.25
X46Q 0.18 0.45 1.4 0.25 0.015 0.5 0.5 0.4 e,l 0.43 0.25
X52Q 0.18 0.45 1.5 0.25 0.015 0.5 0.5 0.4 e,l 0.43 0.25
X56Q 0.18 0.45f 1.5 0.25 0.015 0.7 0.5 0.4 e,l 0.43 0.25
X60Q 0.18f 0.45f 1.7f 0.25 0.015 g g g h,l 0.43 0.25
X65Q 0.18f 0.45f 1.7f 0.25 0.015 g g g h,l 0.43 0.25
a. SMLS t>0.787”, CE limits shall be as agreed. The CEIIW limits applied fi C > 0.12% and the CEPcm limits apply if C ≤ 0.12%,
b. For each reduction of 0.01% below the specified maximum for C, an increase of 0.05% above the specified maximum for Mn 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; up to a maximum of 2.00% for grades ≥ L485 or X70, but ≤ L555 or X80; and up to a maximum of 2.20% for grades > L555 or X80.,
c. Unless otherwise agreed Nb = V ≤ 0.06%,
d. Nb = V = Ti ≤ 0.15%,
e. Unless otherwise agreed, Cu ≤ 0.50%; Ni ≤ 0.30% Cr ≤ 0.30% and Mo ≤ 0.15%,
f. Unless otherwise agreed,
g. Unless otherwise agreed, Nb + V + Ti ≤ 0.15%,
h. Unless otherwise agreed, Cu ≤ 0.50% Ni ≤ 0.50% Cr ≤ 0.50% and MO ≤ 0.50%,
i. Unless otherwise agreed, Cu ≤ 0.50% Ni ≤ 1.00% Cr ≤ 0.50% and MO ≤ 0.50%,
j. B ≤ 0.004%,
k. Unless otherwise agreed, Cu ≤ 0.50% Ni ≤ 1.00% Cr ≤ 0.55% and MO ≤ 0.80%,
l. For all PSL 2 pipe grades except those grades with footnotes j noted, the following applies. Unless otherwise agreed no intentional addition of B is permitted and residual B ≤ 0.001%.

 

 

Keyword:
API 5L X42 X52 X65
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