1957-04 (Sweden / SS) Material Properties

Material group: Ferrous Alloys / Structural and constructional steels
Country/Standard: Sweden / SS

Data updates

Latest Update: 2021-02
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 590 — 880 MPa view details
Elongation, A 7 % view details
Brinell Hardness (HB) 170 — 270 view details
Yield Strength, Rp0.2 val1
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ksi view details
Tensile Strength 85.6 — 127.6 ksi view details
Elongation, A 7 % view details
Brinell Hardness (HB) 170 — 270 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
0.32 – 0.39
UNIT
%
CAS NUMBER
7440-44-0
CRITERIA
Mn
VALUE
0.90 – 1.40
UNIT
%
CAS NUMBER
7439-96-5
CRITERIA
P
VALUE
≤ 0.06
UNIT
%
CAS NUMBER
7723-14-0
CRITERIA
Pb
VALUE
val1
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UNIT
%
CAS NUMBER
7439-92-1
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

SS 141957: 1985 / Free cutting steel

Heat Treatments

  • Soft annealing: 650-700°C, cooling.<br />Relaxation annealing: 575-650°C, holding time 0.5-2 hour after full heating.<br />Normalizing: 860-890°C, cooling.<br />Hardening: 860-890°C, quenching in oil or water; Tempering: 540-680°C.