20SiMn (China / GB) Material Properties

Material group: Ferrous Alloys / Structural and constructional steels
Country/Standard: China / GB

Data updates

Latest Update: 2017-01
Total number of updates: 1
Update History:

Mechanical Properties

Temperature

0 - 30°C
PROPERTY / VALUE
Yield Strength, Rp0.2 val1
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MPa view details
Tensile Strength 410 MPa view details
Elongation, A 10 % view details
Reduction of Area val1
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% view details
Impact Energy val1
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J view details
Brinell Hardness (HB) 135 — 187 view details
Yield Strength, Rp0.2 val1
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ksi view details
Tensile Strength 59.5 ksi view details
Elongation, A 10 % view details
Reduction of Area val1
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% view details
Impact Energy val1
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ft·lb view details
Brinell Hardness (HB) 135 — 187 view details

Physical Properties

Temperature

0 - 30°C
PROPERTY / VALUE
Modulus of Elasticity 190 — 210 GPa view details
Density 7.67 — 7.86 kg/dm³ view details
Poisson Coefficient 0.27 — 0.3 view details
Modulus of Elasticity 27.6 E+03 — 30.5 E+03 ksi view details
Density 0.277 — 0.284 lb/in³ view details
Poisson Coefficient 0.27 — 0.3 view details

Composition

CRITERIA
VALUE
UNIT
CAS NUMBER
CRITERIA
C
VALUE
0.16 – 0.22
UNIT
%
CAS NUMBER
7440-44-0
CRITERIA
Mn
VALUE
1.00 – 1.30
UNIT
%
CAS NUMBER
7439-96-5
CRITERIA
Si
VALUE
0.60 – 0.80
UNIT
%
CAS NUMBER
7440-21-3

GB/T 17107: 1997 / Structural steel grades and mechanical property for forgings

Heat Treatments

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