20Mn简介
China GBT Structure Steel 20Mn,及该型号钢材的基本信息、化学元素成分、机械性能、力学性能、热处理温度、同等型号参照表等。
基本信息:
分类 |
种类 |
型号 |
标准 |
国家 |
应用 |
Steel Grades |
|
20Mn |
GBT |
China |
China structural steel and alloy steel |
化学成分信息(mass fraction)(wt.%) of the 20Mn:
元素名称 |
含量比例值 |
C |
0.17-0.23 |
Si |
0.17-0.37 |
Mn |
0.70-1.00 |
P |
0.035 |
S |
0.035 |
Cr |
0.25 |
Ni |
0.3 |
机械性能信息:
屈服强度Rp0.2(MPa) |
抗拉强度Rm(MPa) |
冲击率 |
伸长率 |
断面收缩率 |
热处理状态 |
布氏硬度(HBW) |
457 (≥) |
233 (≥) |
31 |
22 |
43 |
Solution and Aging, Annealing, Ausaging, Q+T,etc |
121 |
物理性质信息:
温度 |
弹性模量 |
系数 |
热导率 |
比热容量 |
比电阻率 |
密度 |
加权系数 |
44 |
- |
- |
|
|
0.11 |
- |
|
798 |
853 |
- |
22.3 |
314 |
|
- |
|
682 |
- |
34 |
31.2 |
|
|
423 |
312 |
热处理信息:
热处理温度区间 |
Heat treated : 1798°C - 1135°C |
对照表(同等等级)信息:
型号 |
标准 |
国家 |
应用 |
GS-20Mn5 |
DIN |
Germany |
|
GS-20MnCr5 |
DIN |
Germany |
|
GS-20MnCrMo6 3 |
DIN |
Germany |
|
22Cr20Mn10Ni2Si2N |
GBT |
China |
Stainless steel bars |
20Mn10 |
STAS/SR |
Romania |
Structural steel |
20MnCr12 |
STAS/SR |
Romania |
Alloy structural steel |
20MnCr12S |
STAS/SR |
Romania |
Alloy structural steel |
20MnCr12X |
STAS/SR |
Romania |
Alloy structural steel |
20MnCr12XS |
STAS/SR |
Romania |
Alloy structural steel |
20MnCrSi11 |
STAS/SR |
Romania |
Alloy structural steel |
20MnCrSi11S |
STAS/SR |
Romania |
Alloy structural steel |
20MnCrSi11X |
STAS/SR |
Romania |
Alloy structural steel |
20MnCrSi11XS |
STAS/SR |
Romania |
Alloy structural steel |
20MnB5q |
STAS/SR |
Romania |
Alloy structural steel |
20MnCr5 |
UNE |
Spain |
Spain structural alloy steel |
20MnCrS5 |
UNE |
Spain |
Spain structural alloy steel |
20MnB5 |
UNE |
Spain |
Spain structural alloy steel |
20MnG |
GBT |
China |
China structural steel and alloy steel |
20Mn |
GBT |
China |
China structural steel and alloy steel |
20Mn2 |
GBT |
China |
China structural steel and alloy steel |