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Petroleum Cracking Tube

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  • Petroleum Cracking Tube

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Petroleum Cracking Tube
Petroleum cracking pipe is a kind of hollow long circular seamless steel pipe. Petroleum cracking pipe uses: used to transport gasoline, kerosene, diesel and other oil products, corrosion resistance, anti-wear. Petroleum cracking pipe (gb9948-83) is suitable for geological drilling and industrial drilling of the first class steel pipe.

Special specifications can be customized according to customer requirements, please contact us to explain separately!

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PRODUCT DETELS

Out DiameterWall Thickness (mm)
mm678910111213141516171819202122232425262728293035
73●●●●●●●●●
















76.1●●●●●●●●●
















82.5●●●●●●●●●●















88.9●●●●●●●●●●●














101.6●●●●●●●●●●●














114.3●●●●●●●●●●●●●












127●●●●●●●●●●●●●












139.7●●●●●●●●●●●●●












152.4●●●●●●●●●●●●●












159●●●●●●●●●●●●●












168.3●●●●●●●●●●●●●












177.8
●●●●●●●●●●●●●●●●●●●





193.7
●●●●●●●●●●●●●●●●●●●●●●●●
203
●●●●●●●●●●●●●●●●●●●●●●●●
219.1
●●●●●●●●●●●●●●●●●●●●●●●●
244.5
●●●●●●●●●●●●●●●●●●●●●●●●●
273
●●●●●●●●●●●●●●●●●●●●●●●●●
298.5
●●●●●●●●●●●●●●●●●●●●●●●●
323.5
●●●●●●●●●●●●●●●●●●●●●●●●
339.7
●●●●●●●●●●●●●●●●●●●●●●●●
355.6
●●●●●●●●●●














406.4
●●●●●●●●●●














457.2
●●●●●●●●●●














473.1
●●●●●●●●●●














508



●●●●●
















530



●●●●●
















558.8



●●●●●
















609.6



●●●●●
















630



●●●●●
















展示3.jpg

Standard:GB9948-1988

Application: For manufacturing of furnace tubes, heat exchangers and pipelines in refineries


Tolerance on Dimensions

Pipe Types
Pipe Size (mm)
Tolerances
Hot Rolled
OD≤159
±1.0%
>159
±1.20%
WT≤20
±12.5%
>20
±10.0%
Cold Drawn
OD≤30
±0.20mm
30-50
±0.30mm
>50
±0.8%
WT≤3
+12%  -10%
>3
±10%

Chemical composition and mechanical properties

GradeChemical Composition
Mechanical Properties
C
Mn
Si
Cr
Mo
Ni
SPTensile Strength(Mpa)
Yield Strength(Mpa)
Elongation(%)
10
0.07-0.14
0.35-0.65
0.17-0.37
≤0.15
-≤0.25
≤0.035
≤0.035
330-490
≥205
≥24
200.17-0.24
0.35-0.65
0.17-0.37
≤0.25
-≤0.25
≤0.035
≤0.035
410-550
≥245
≥21
12CrMo
0.08-0.15
0.40-0.70
0.17-0.37
0.40-0.70
0.40-0.55
≤0.30
≤0.035
≤0.035
410-560
≥205
≥21
15CrMo
0.12-0.18
0.40-0.70
0.17-0.37
0.80-1.10
0.40-0.55
≤0.30
≤0.035
≤0.035
440-640
≥235
≥21
1Cr2Mo
≤0.15
0.30-0.60
0.50-1.00
2.15-2.85
0.40-0.65
-≤0.035
≤0.035
≥390
≥175
≥22
1Cr5Mo
≤0.15
≤0.60
≤0.60
4.00-6.00
0.45-0.60
≤0.60
≤0.035
≤0.035
≥390
≥195
≥22

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