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Inconel600 (UNS6600)

Inconel600 (UNS6600)

Inconel600 Features and application areas overview:
The alloy is a nickel-chromium-iron-based solid solution strengthening alloy with good high temperature corrosion and oxidation resistance, excellent hot and cold processing and welding properties, with satisfactory thermal strength and high plasticity below 700 ℃. The alloy can be strengthened by cold working, but also by resistance welding, soldering or brazing. It is suitable for producing anti-oxidation parts under 1100 ℃ under low load.
Inconel600 Similar brand:
GH600 (China) NC15FE (France), W.Nr.2.4816 NiCr15Fe (Germany) NA14 (UK)
Inconel600 chemical composition:

Alloy
牌号

%

Ni
Ni

Co
Co

Cr
Cr

Fe
Fe

Nb
Nb

Ta
Ta

C
C

Mn
Mn

Si
Si

S
S

P
P

Cu
Cu

Ai
Al

Ti
Ti

Inconel
600

Min

14

6.0

Max

72

17

10.0

1.0

0.15

1.0

0.5

0.015

0.04

0.5

0.35

0.50

Inconel600 Physical Properties:

Density
g/cm3

Melting point

Thermal conductivity
λ/(W/m•℃)

Specific heat capacity
J/kg•℃

Elastic Modulus
GPa

Shear modulus
GPa

Resistivity
μΩ•m

Poisson's ratio

Linear expansion coefficient
a/10-6℃-1

8.43

1370
1430

12.85(100℃)

435

205

76

1.05

0.34

12.35(20~100℃)

Inconel600 Mechanical properties: (at 20 ℃ minimum mechanical properties testing)
Heat treatment methods
Tensile strengthσb/MPa
Yield Strengthσp0.2/MPa
Elongationσ5 /%
Brinell hardness HBS
Solution treatment
585
240
30
≥217

Inconel600 Production standards:

Standard
Bar
Forgings
Plate (with) material
Wire
Pipe

American Society for Testing and Materials

ASTM B166

ASTM B166

ASTM B168

ASTM B166

ASTM B167
ASTM B163
ASTM B516
ASTM B517

American Aerospace Materials Technical Specification

AMS 5665

AMS 5665

AMS 5540

AMS 5687

AMS 5580

American Society of Mechanical Engineers

ASME SB166

ASME SB166

ASTM SB168

ASME SB166

ASME SB167
ASTM SB163
ASTM SB516
ASTM SB517

Inconel600 Metallographic structure:

The alloy was treated at 1120 ℃ for 2h, only TiN nitride and Cr7C3 carbide remained Cr7C3 and TiN in the microstructure after being aged at 870 ℃ for 1 000 ℃, indicating that the microstructure of the alloy is stable 。

Inconel600 Process performance and requirements:

1, the alloy has good thermal processing properties, steel forging heating temperature 1110 ℃ ~ 1140 ℃.
2, the average grain size of the alloy and forging deformation degree, the final forging temperature is closely related.
3, the alloy has good welding performance, the original arc welding, welding, resistance welding and brazing and other methods of connection, large or complex welding structure after welding at 870 ℃ annealing 1h, to eliminate welding stress.
4, the alloy shall be machined after heat treatment, due to material hardening, it is appropriate to use lower than the standard machining of low-alloy austenitic stainless steel cutting speed and heavy knife for processing, to car into the hardened surface below . surface.

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