KS STS 631 Stainless steels
Material group:
Ferrous Alloys / Stainless steels
Country / Standard:
Korea / KS
Indicative price:
Data updates
Latest Update: 2021-04
Total number of updates: 2
Update History
2020-03
This material has 463 properties — only a subset is shown here.
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KS STS 631 Chemical Composition
CRITERIA
VALUE
UNIT
CAS NUMBER
CRITERIA
Al
VALUE
0.75 – 1.50
UNIT
%
CAS NUMBER
7429-90-5
CRITERIA
C
VALUE
≤ 0.09
UNIT
%
CAS NUMBER
7440-44-0
CRITERIA
Cr
VALUE
16.00 – 18.00
UNIT
%
CAS NUMBER
7440-47-3
CRITERIA
Mn
VALUE
val1
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UNIT
%
CAS NUMBER
7439-96-5
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
D 3698: 2024 / Cold rolled stainless steel plates, sheets and strip
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KS STS 631 Physical Properties
Temperature
Modulus of Elasticity
190 — 215
GPa
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Density
7.61 — 8.1
kg/dm³
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Poisson Coefficient
0.27 — 0.3
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This material has 463 properties — only a subset is shown here.
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KS STS 631 Heat Treatments
- Solution heat treatment at 1000-1100°C, rapid cooling.
Precipitation hardening:
TH1050: After solution heat treatment, hold at 760°C ± 15°C for 90 minutes, cool down to 15°C or lower within 1 hour, hold for 30 minutes, 565°C ± 10°C air cooling after holding for 90 minutes;
RH950: After solution heat treatment, 955°C ± 10°C hold for 10 minutes, air cool down to room temperature, within 24 hours, keep at -73°C ± 6°C for 8 hours, keep at 510°C ± 10°C for 60 minutes, then air cooling. - Solution heat treatment at 1000-1100°C, rapid cooling.
Precipitation hardening:
TH1050: After solution heat treatment, hold at 760°C ± 15°C for 90 minutes, cool down to 15°C or lower within 1 hour, hold for 30 minutes, 565°C ± 10°C air cooling after holding for 90 minutes;
RH950: After solution heat treatment, 955°C ± 10°C hold for 10 minutes, air cool down to room temperature, within 24 hours, keep at -73°C ± 6°C for 8 hours, keep at 510°C ± 10°C for 60 minutes, then air cooling.
KS STS 631 Mechanical Properties
Temperature
Tensile Strength
≥ 1030
MPa
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Brinell Hardness (HB)
≥ 192
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Elongation, A
≥ 3
%
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Reduction of Area
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Rockwell Hardness (HR)
val1
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Yield Strength, Rp0.2
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Vickers Hardness (HV)
val1
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KS STS 631 International Equivalent Materials
Showing 15 of 174 results.
MATERIAL
STANDARD
COUNTRY / PRODUCER
EQUIVALENCE CATEGORY
MATERIAL
STANDARD
ASME
COUNTRY / PRODUCER
United States
EQUIVALENCE CATEGORY
Composition 100%
MATERIAL
STANDARD
ASME
COUNTRY / PRODUCER
United States
EQUIVALENCE CATEGORY
Composition 100%
MATERIAL
STANDARD
ASTM
COUNTRY / PRODUCER
United States
EQUIVALENCE CATEGORY
Composition 100%
MATERIAL
STANDARD
ASTM
COUNTRY / PRODUCER
United States
EQUIVALENCE CATEGORY
Composition 100%
MATERIAL
STANDARD
ASTM
COUNTRY / PRODUCER
United States
EQUIVALENCE CATEGORY
Composition 100%
MATERIAL
STANDARD
ASTM
COUNTRY / PRODUCER
United States
EQUIVALENCE CATEGORY
Composition 100%
Equivalence categories reflect chemical-composition and mechanical-property comparison — always verify suitability against the governing specification for your application.
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- 174Cross References
- 32Composition
- 89Mechanical Properties
- 3Physical Properties
- 4Heat Treatment
- -Metallography
- -Machinability
- -Stress-Strain
- 1Formability
- -Fatigue
- -Fracture
- -Creep
- -Joints
- -Coatings
- 34Dimensions
- -Tribology
- -Corrosion
- -Ageing
- -Weatherability
- -Irradiation
- 126Total Suppliers