BS1387 Welded Tube /Welding Tube/Weld Pipe

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Email: hellen@zssteeltube.com

  

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CHEMICAL COMPOSITION FOR PIPES

Chemical requirements

Chemical Composition for PSL 1 pipe with t ≤ 0.984”

Steel Grade Mass fraction, % based on heat and product analyses a,g
C Mn P S V Nb Ti
max b max b max max max max max
Seamless Pipe
A 0.22 0.9 0.3 0.3
B 0.28 1.2 0.3 0.3 c,d c,d 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 0.28 e 1.40 e 0.3 0.3 f f f
X65 0.28 e 1.40 e 0.3 0.3 f f f
X70 0.28 e 1.40 e 0.3 0.3 f f f
Welded Pipe
A 0.22 0.9 0.3 0.3
B 0.26 1.2 0.3 0.3 c,d c,d d
X42 0.26 1.3 0.3 0.3 d d d
X46 0.26 1.4 0.3 0.3 d d d
X52 0.26 1.4 0.3 0.3 d d d
X56 0.26 1.4 0.3 0.3 d d d
X60 0.26 e 1.40 e 0.3 0.3 f f f
X65 0.26 e 1.45 e 0.3 0.3 f f f
X70 0.26e 1.65 e 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 max. concentration for carbon, and increase of 0.05% above the specified max. concentration for Mn is permissible, up to a max. of 1.65% for grades ≥ B, but ≤ = X52; up to a max. of 1.75% for grades > X52, but < X70; and up to a maximum of 2.00% for 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 with t ≤ 0.984”

Steel Grade Mass fraction, % based on heat and product analyses Carbon Equiv a
C Si Mn P S V Nb Ti Other CE IIW CE Pcm
max b max max b max max max max max max max
Seamless and Welded Pipe
BR 0.24 0.4 1.2 0.025 0.015 c c 0.04 e,l 0.043 0.25
X42R 0.24 0.4 1.2 0.025 0.015 0.06 0.05 0.04 e,l 0.043 0.25
BN 0.24 0.4 1.2 0.025 0.015 c c 0.04 e,l 0.043 0.25
X42N 0.24 0.4 1.2 0.025 0.015 0.06 0.05 0.04 e,l 0.043 0.25
X46N 0.24 0.4 1.4 0.025 0.015 0.07 0.05 0.04 d,e,l 0.043 0.25
X52N 0.24 0.45 1.4 0.025 0.015 0.1 0.05 0.04 d,e,l 0.043 0.25
X56N 0.24 0.45 1.4 0.025 0.015 0.10f 0.05 0.04 d,e,l 0.043 0.25
X60N 0.24f 0.45f 1.40f 0.025 0.015 0.10f 0.05f 0.04f g,h,l As agreed
BQ 0.18 0.45 1.4 0.025 0.015 0.05 0.05 0.04 e,l 0.043 0.25
X42Q 0.18 0.45 1.4 0.025 0.015 0.05 0.05 0.04 e,l 0.043 0.25
X46Q 0.18 0.45 1.4 0.025 0.015 0.05 0.05 0.04 e,l 0.043 0.25
X52Q 0.18 0.45 1.5 0.025 0.015 0.05 0.05 0.04 e,l 0.043 0.25
X56Q 0.18 0.45f 1.5 0.025 0.015 0.07 0.05 0.04 e,l 0.043 0.25
X60Q 0.18f 0.45f 1.70f 0.025 0.015 g g g h,l 0.043 0.25
X65Q 0.18f 0.45f 1.70f 0.025 0.015 g g g h,l 0.043 0.25
X70Q 0.18f 0.45f 1.80f 0.025 0.015 g g g h,l 0.043 0.25
X80Q 0.18f 0.45f 1.90f 0.025 0.015 g g g i,j As agreed
X90Q 0.16f 0.45f 1.9 0.02 0.01 g g g j,k As agreed
X100Q 0.16f 0.45f 1.9 0.02 0.01 g g g j,k As agreed
Welded Pipe
BM 0.22 0.45 1.2 0.025 0.015 0.05 0.05 0.04 e,l 0.043 0.25
X42M 0.22 0.45 1.3 0.025 0.015 0.05 0.05 0.04 e,l 0.043 0.25
X46M 0.22 0.45 1.3 0.025 0.015 0.05 0.05 0.04 e,l 0.043 0.25
X52M 0.22 0.45 1.4 0.025 0.015 d d d e,l 0.043 0.25
X56M 0.22 0.45f 1.4 0.025 0.015 d d d e,l 0.043 0.25
X60M 0.12f 0.45f 1.60f 0.025 0.015 g g g h,l 0.043 0.25
X65M 0.12f 0.45f 1.60f 0.025 0.015 g g g h,l 0.043 0.25
X70M 0.12f 0.45f 1.70f 0.025 0.015 g g g h,l 0.043 0.25
X80M 0.12f 0.45f 1.85f 0.025 0.015 g g g i,j .043f 0.25
X90M 0.1 0.55f 2.10f 0.02 0.01 g g g i,j 0.25
X100M 0.1 0.55f 2.10f 0.02 0.01 g g g i,j 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 max. concentration for carbon, and increase of 0.05% above the specified max. concentration for Mn is permissible, up to a max. of 1.65% for grades ≥ B, but ≤ = X52; up to a max. of 1.75% for grades > X52, but < X70; and up to a maximum of 2.00% for X70.,
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% .

Global Business

1. More than 10 years of sales experience

2. Product exported more than 150 countries

3. Arrange to produce according yo customer's request

Fast Delivery

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2. 20 years of experience in the freight forwarding company

3. Delivery Detail: 10-20 days

Trusted Quality

1. Certificate: API, CE, ISO9001.2000.MTC etc

2. Inspection: BV,SGS,others is avaliable.

3. A complete testing system and testing equipments

One-Step Service

1. Free sample can be provided

2. Small order is acceptable

3. OEM is acceptable

4. Any third party testing is acceptable

 

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