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Hot Rolled Seamless Steel Tube For Petroleum Cracking

Hot Rolled Seamless Steel Tube For Petroleum Cracking

Hot rolled seamless steel tube for petroleum cracking Standard: GB/T 9948 China National Standard ASTM A200 standard American society for testing & materials Application: For heat-exchange pipe, line pipe, furnace pipe for refinery service Mechanical properties Chemical composition (%)

Description

Hot rolled seamless steel tube for petroleum cracking


Standard: GB/T 9948 China National Standard

                 ASTM A200 standard American society for testing & materials

Application: For heat-exchange pipe, line pipe, furnace pipe for refinery service


Mechanical properties

Material
Grade

Tensile

strength

Yield

strength

Elongation

Impact

strength

Hardness
σb/MPaσb/MPa
δ 5%
Aku/J
HBS


Carbon steel
10330-490
205
24
-
-
20
410-550245
21
39
-
Alloy steel
12CrMo
410-560205
21
55
156
15CrMo
440-640
235
21
47
170



Chemical composition (%)

Material
Grade
C
Mn
Si
Cr
Mo
Ni
Nb
S

Carbon

steel

10
0.07-0.14
0.35-0.65
0.17-0.37
≤0.15-
≤0.25-
0.0350.035
20
0.07-0.24
0.35-0.65
0.17-0.37
≤0.15-
≤0.25-
0.0350.035

Alloy

steel

12CrMo

0.08-0.15
0.40-0.70
0.17-0.37
0.40-0.700.40-0.55
≤0.30-
0.0350.035
15CrMo
0.12-0.18
0.40-0.700.17-0.37
0.80-1.100.40-0.55≤0.30-
0.0350.035


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