40Ni6Cr4Mo3 (India / IS) Material Properties

Material group: Ferrous Alloys / Structural and constructional steels
Country/Standard: India / IS

Data updates

Latest Update: 2022-08
Total number of updates: 5
Update History:
2022-04 2021-05 2020-03 2013-11

Mechanical Properties

Temperature

0 - 30°C
PROPERTY / VALUE
Yield Strength, Rp0.2 val1
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MPa view details
Tensile Strength 790 — 1350 MPa view details
Elongation, A 6 % view details
Impact Energy val1
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J view details
Brinell Hardness (HB) 180 — 401 view details
Rockwell Hardness (HR) val1
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view details
Grain Size val1
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Yield Strength, Rp0.2 val1
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ksi view details
Tensile Strength 114.6 — 195.8 ksi view details
Elongation, A 6 % view details
Impact Energy val1
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ft·lb view details
Brinell Hardness (HB) 180 — 401 view details
Rockwell Hardness (HR) val1
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view details
Grain Size val1
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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
0.3500 – 0.4500
UNIT
%
CAS NUMBER
7440-44-0
CRITERIA
Cr
VALUE
0.9000 – 1.3000
UNIT
%
CAS NUMBER
7440-47-3
CRITERIA
Mn
VALUE
0.4000 – 0.7000
UNIT
%
CAS NUMBER
7439-96-5
CRITERIA
Mo
VALUE
val1
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UNIT
%
CAS NUMBER
7439-98-7
CRITERIA
Ni
VALUE
val1
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UNIT
%
CAS NUMBER
7440-02-0
CRITERIA
P
VALUE
val1
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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

IS 3445: 1992 / Forged steel rolls

Heat Treatments

  • Annealed: 820-850°C; Process annealed: 650°C; Hardened: 830-850°C; Tempered: 150-200°C or 500-660°C - depending on the properties required;
  • Hot worked temperature: 1200-900°C; Hardened: 830-850°C; Quenched medium: oil; Tempered: 550-660°C or 150-200°C (depending on hardness required).