42Mn6 (Japan / JIS) Material Properties

Material group: Ferrous Alloys / Structural and constructional steels
Country/Standard: Japan / JIS

Data updates

Latest Update: -
Total number of updates: 0
Update History:
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Mechanical Properties

Temperature

0 - 30°C
PROPERTY / VALUE
Yield Strength, Rp0.2 val1
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MPa view details
Tensile Strength 700 — 1050 MPa view details
Elongation, A 12 % view details
Impact Energy val1
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J view details
Brinell Hardness (HB) ≤ 255 view details
Yield Strength, Rp0.2 val1
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ksi view details
Tensile Strength 101.5 — 152.3 ksi view details
Elongation, A 12 % view details
Impact Energy val1
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ft·lb view details
Brinell Hardness (HB) ≤ 255 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
0.39 – 0.46
UNIT
%
CAS NUMBER
7440-44-0
CRITERIA
Mn
VALUE
1.30 – 1.65
UNIT
%
CAS NUMBER
7439-96-5
CRITERIA
P
VALUE
≤ 0.035
UNIT
%
CAS NUMBER
7723-14-0
CRITERIA
S
VALUE
val1
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UNIT
%
CAS NUMBER
7704-34-9
CRITERIA
Si
VALUE
val1
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UNIT
%
CAS NUMBER
7440-21-3

G 7105: 2000 / Heat-treatable steels, alloy steels and free-cutting steels - Part 18: Bright products of unalloyed and low alloy steels

Heat Treatments

  • Oil quenching: 830-880°C (1/2 hour), Tempering: 550-650°C (1 hour).
  • TC+TA - cold drawn and annealed to maximum hardness requirements P+TA - peeled and annealed to maximum hardness requirements G+TA - ground and annealed to maximum hardness requirements TC+TQ+TT - cold drawn and quenched + tempered P+TQ+TT - peeled and quenched + tempered. G+TQ+TT - ground and quenched + tempered. Hardening: 830-870°C (1/2 hour), water or oil quench; Tempering: 540-680°C (1 hour).