Product

20mn Structural tube





Implementation Standards


GB/T8162-1999,ISO2937,ASTM A53,ASTM A106,JIS G 3441,BS EN 10210-1


Applicable Scope


The scope of use covers a wide range of structural and mechanical structures, and a large number of structural pipes used in construction, machinery, transportation, aviation, oil mining and other industries.



Chemical Composition

Standard
Grade
Chemical Composition
C
Si
Mn
P、S
Cu
Ni
Mo
Cr
GB/T8162
10
0.07~0.14
0.17~0.37
0.35~0.65
≤0.035
≤0.25
≤0.25
/
≤0.15
20
0.17~0.24
0.17~0.37
0.35~0.65
≤0.035
≤0.25
≤0.25
/
≤0.25
35
0.32~0.40
0.17~0.37
0.50~0.80
≤0.035
≤0.25
≤0.25
/
≤0.25
45
0.42~0.50
0.17~0.37
0.50~0.80
≤0.035
≤0.25
≤0.25
/
≤0.25
16Mn
0.12~0.20
0.20~0.55
1.20~1.60
≤0.035
≤0.25
≤0.25
/
≤0.25
12CrMo
0.08~0.15
0.17~0.37
0.40~0.70
≤0.035
≤0.25
≤0.30
0.40~0.55
0.40~0.70
15CrMo
0.12~0.18
0.17~0.37
0.40~0.70
≤0.035
≤0.25
≤0.30
0.40~0.55
0.80~1.10
12Cr1MoV
0.08~0.15
0.17~0.37
0.40~0.70
≤0.035
≤0.25
≤0.30
0.25~0.35
0.90~1.20[1]

Mechanical Property

Standard
Grade
Elongation(%)
GB/T8162
10
≥335
≥205
≥24
20
≥390
≥245
≥225
22
35
≥510
≥305
≥235

20
45
≥590
≥335
≥265

≥490
≥325
≥295

≥440
≥295
≥325

≥490
≥245
≥2

ASTM A53
ASME SA53
A
≥330
≥205
View the table of ASTM A53
View the table of ASME SA53
B
≥415
≥240



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