GJB 0Cr17Ni7Al Stainless steels

Material group: Ferrous Alloys / Stainless steels
Country / Standard: China / GJB

Data updates

Latest Update: 2023-04
Total number of updates: 2
Update History
2016-11

This material has 265 properties — only a subset is shown here.

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GJB 0Cr17Ni7Al Chemical Composition

CRITERIA
VALUE
UNIT
CAS NUMBER
CRITERIA
Al
VALUE
0.7500 – 1.5000
UNIT
%
CAS NUMBER
7429-90-5
CRITERIA
C
VALUE
≤ 0.0900
UNIT
%
CAS NUMBER
7440-44-0
CRITERIA
Cr
VALUE
16.0000 – 18.0000
UNIT
%
CAS NUMBER
7440-47-3
CRITERIA
Cu
VALUE
val1
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UNIT
%
CAS NUMBER
7440-50-8
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

GJB 2294: 1995 / Specification for stainless and heat resisting steel bars for aviation

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GJB 0Cr17Ni7Al Physical Properties

Temperature

PROPERTY / VALUE
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 265 properties — only a subset is shown here.

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GJB 0Cr17Ni7Al Heat Treatments

  • Heating temperature at 420-500°C, holding time, 1-3h and air-cooling
  • Quenched and tempered (Q+T1) at 1000 to 1100°C, cooling in water.
    Quenched and tempered (Q+T2) at 1000 to 1100°C, cooling in water and tempering at 760 ± 15°C for 90 min, cooling below 15°C within 1h, keeping it for 30 min, then heat it to 565 ± 10°C, keeping for 90 min, air cooling
    Quenched and tempered (Q+T3) at 1000 to 1100°C, cooling in water and tempering. After solution treatment keeping at 955 ± 10°C for 10 min; air cooling to room temperature, cooling to -73 ± 6°C within 24h, keeping for 8 h, than heating to 510 ± 10°C, keeping for 60 min, air cooling.

GJB 0Cr17Ni7Al Mechanical Properties

Temperature

PROPERTY / VALUE
Tensile Strength
540 — 2450 MPa
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Brinell Hardness (HB)
≥ 190
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Elongation, A
≥ 3 %
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Reduction of Area
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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Vickers Hardness (HV)
val1
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  • 100Cross References
  • 27Composition
  • 132Mechanical Properties
  • 3Physical Properties
  • 3Heat Treatment
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