steel pipe for Petroleum Cracking

steel supplier for Petroleum Cracking
OD:114 ~219
WT:7.0 ~40
Grade:10,20,12CrMo,15CrMo
Standard:GB/T9948-88,ASTM A200
ApplicationFor heat-exchange pipe, line pipe, furnace pipe for refinery service
Mechanical Properties
Material
Grade
Tensile Strength
Yield Strength
Elongation
Impact Strength
Hardness
σb/MPa
σb/MPa
δ5%
Aku/J
HBS
≥
≤
Carbon Steel
10
330~490
205
24
-
-
20
410~550
245
21
39
-
Alloy Steel
12CrMo
410~560
205
21
55
156
15CrMo
440~640
235
21
47
170
Chemical Composition (%)
Material
Grade
C
Mn
Si
Cr
Mo
Ni
Nb Ta
S
≤
Carbon Steel
10
0.07~0.14
0.35~0.65
0.17~0.37
≤0.15
-
≤0.25
-
0.035
0.035
20
0.07~0.24
0.35~0.65
0.17~0.37
≤0.15
-
≤0.25
-
0.035
0.035
Alloy Steel
12CrMo
0.08~0.15
0.40~0.70
0.17~0.37
0.40~0.70
0.40~0.55
≤0.3
-
0.035
0.035
15CrMo
0.12~0.18
0.40~0.70
0.17~0.37
0.80~1.10
0.40~0.55
≤0.3
-
0.035
0.035