KS STS 347 Stainless steels

Material group: Ferrous Alloys / Stainless steels
Country / Standard: Korea / KS

Data updates

Latest Update: 2025-11
Total number of updates: 2
Update History
2015-05

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KS STS 347 Chemical Composition

CRITERIA
VALUE
UNIT
CAS NUMBER
CRITERIA
C
VALUE
≤ 0.08
UNIT
%
CAS NUMBER
7440-44-0
CRITERIA
Cr
VALUE
17.00 – 19.00
UNIT
%
CAS NUMBER
7440-47-3
CRITERIA
Mn
VALUE
≤ 2.00
UNIT
%
CAS NUMBER
7439-96-5
CRITERIA
Nb
VALUE
val1
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UNIT
%
CAS NUMBER
7440-03-1
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 3702: 2018 / Stainless steel wire rods

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KS STS 347 Physical Properties

Temperature

PROPERTY / VALUE
Modulus of Elasticity
179.6 — 215 GPa
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Thermal Conductivity
val1
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W/(m∙°C)
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Electrical Resistivity
val1
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Ω∙mm²/m
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Density
val1
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kg/dm³
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Electrical Conductivity
val1
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S/m
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Heat Capacity
val1
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J/(kg∙°C)
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Melting Temperature
val1
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°C
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Poisson Coefficient
val1
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Shear Modulus
val1
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GPa
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Coefficient of Thermal Expansion (CTE)
val1
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10-6/°C
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KS STS 347 Heat Treatments

  • Solution heat treatment: 980-1150°C, rapid cooling. Orderer can specify the stabilization heat treatment. In this case, the heat treatment temperature is set to 850-930°C.
  • Solutionizing: 980-1150°C, quenched; The purchaser may specify a stabilizing heat treatment and the heat temperature shall be 850°C to 930°C.

KS STS 347 Mechanical Properties

Temperature

PROPERTY / VALUE
Tensile Strength
500 — 1130 MPa
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Brinell Hardness (HB)
val1
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Elongation, A
val1
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%
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Rockwell Hardness (HR)
val1
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Yield Strength, Rp0.2
val1
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MPa
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Impact Energy
val1
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J
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Reduction of Area
val1
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%
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Vickers Hardness (HV)
val1
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KS STS 347 International Equivalent Materials

Showing 15 of 520 results.

MATERIAL
STANDARD
COUNTRY / PRODUCER
EQUIVALENCE CATEGORY
MATERIAL
SUS347
STANDARD
JIS
COUNTRY / PRODUCER
Japan
EQUIVALENCE CATEGORY
Official
MATERIAL
SUS321
STANDARD
JIS
COUNTRY / PRODUCER
Japan
EQUIVALENCE CATEGORY
Composition 100%
MATERIAL
SUS321FB
STANDARD
JIS
COUNTRY / PRODUCER
Japan
EQUIVALENCE CATEGORY
Composition 100%
MATERIAL
SUS347FB
STANDARD
JIS
COUNTRY / PRODUCER
Japan
EQUIVALENCE CATEGORY
Composition 100%
MATERIAL
SUS321TPY
STANDARD
JIS
COUNTRY / PRODUCER
Japan
EQUIVALENCE CATEGORY
Composition 100%
MATERIAL
SUS347TPY
STANDARD
JIS
COUNTRY / PRODUCER
Japan
EQUIVALENCE CATEGORY
Composition 100%
MATERIAL
S34700
STANDARD
UNS
COUNTRY / PRODUCER
United States
EQUIVALENCE CATEGORY
Composition 100%
MATERIAL
347
STANDARD
AISI
COUNTRY / PRODUCER
United States
EQUIVALENCE CATEGORY
Composition 100%
MATERIAL
A 313 Type 347
STANDARD
ASTM
COUNTRY / PRODUCER
United States
EQUIVALENCE CATEGORY
Composition 100%
MATERIAL
A 313 S34700
STANDARD
ASTM
COUNTRY / PRODUCER
United States
EQUIVALENCE CATEGORY
Composition 100%
MATERIAL
321
STANDARD
CNS
COUNTRY / PRODUCER
China
EQUIVALENCE CATEGORY
Composition 100%
MATERIAL
347
STANDARD
CNS
COUNTRY / PRODUCER
China
EQUIVALENCE CATEGORY
Composition 100%
MATERIAL
STS 321
STANDARD
KS
COUNTRY / PRODUCER
Korea
EQUIVALENCE CATEGORY
Composition 100%
MATERIAL
STS 321TPY
STANDARD
KS
COUNTRY / PRODUCER
Korea
EQUIVALENCE CATEGORY
Composition 100%
MATERIAL
STS 347TPY
STANDARD
KS
COUNTRY / PRODUCER
Korea
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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  • 520Cross References
  • 64Composition
  • 592Mechanical Properties
  • 333Physical Properties
  • 4Heat Treatment
  • -Metallography
  • -Machinability
  • -Stress-Strain
  • -Formability
  • -Fatigue
  • -Fracture
  • -Creep
  • 35Joints
  • -Coatings
  • 39Dimensions
  • -Tribology
  • 346Corrosion
  • 2Ageing
  • -Weatherability
  • -Irradiation
  • 90Total Suppliers