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Multimet N155 Nickel base alloy steel

Multimet N155 Nickel base alloy steel

Multimet N155 alloy is a solid-solution-strengthened superalloy with excellent high temperature strength and good oxidation resistance. Multimet N155 has been used in aircraft and land-based turbine engine applications.Multimet N155 can be hot and cold formed by different techniques, and is weldable by most standard methods.

Multimet N155 Nickel alloy similar material is:UNS R30155

Multimet N155 usually used in the following industries :
Multimet N155 has found applications in jet engine and high speed air frame components such as: afterburner parts, turbine casings, wheels, buckets, bolts, and fasteners.

Multimet N155 Nickel base alloy Chemical Analysis:

C

Mn

Cr

N

Si

Ni

Mo

Co

Ti

Al

Cb+Ta

 

 

 

 

Max

 

 

 

 

 

 

0.08-0.16

1.0-2.0

22.0-22.5

0.10-0.20

1.0

19.0-21.0

2.5-3.5

18.5-21.5

3.0-3.30

1.40-1.60

0.75-1.25

Multimet N155 Nickel base alloy Typical Mechanical Properties(Solution Treated 2150°F (1177°C), air cooled.)

Test
Temperature

Tensile
Strength

Yield Strength
0.2% Offset

%Elongation in 2"

%Reduction of Area

°F

°C

ksi

MPa

ksi

MPa

Room
1000
1200
1400
1600
1800
2000

Room
538
649
760
871
982
1093

118
93
80
60
38
19
10

314
641
552
414
262
131
69

59
44
42
38
26
18
--

407
303
290
262
179
124
--

40
37
35
35
37
38
45

50
48
47
42
42
50
60

Heat Treatment:
Solution Treatment:
Heat to 2100/2280°F, hold for 1 hour at heat, and cool rapidly. The best ductility is obtained by treating at the lower temperature while treating at the higher temperature produces the highest rupture strength.

Aging Treatment:
Heat to 1400/1500°F, hold approximately 16 hrs at heat , and air cool.
Work-ability
Hot Working:
Forging of ingots should be conducted from about 2200°F (1204°C) after being thoroughly soaked. Hot rolling of finished sizes from semi-finished hot-worked material should be conducted at 2050/2150°F, and the finishing temperature should be kept as high as pracitcal under the hot working conditions.

Machining
A rigid setup, low cutting speeds and ample coolant flow are recommended. Following are suggested angles for single point tungsten carbide tools: 8 to 10° side rake angle, 5 to 8° back rake angle, 5 to 7° end relief angle, 15 to 30° side cutting edge angle. Radius of nose -1/32". The included angle of high speed drills should be ground to 135 to 140°, with a clearance angle of 10°. Thin the web to about 1/3 the thickness of a standard drill.

Welding
N-155 can be welded by metallic-arc, inert-gas-shielded arc, and solid-phase pressure welding methods.

Corrosion Resistance
In the solution-heat-treated condition it has about the same resistance to nitric acid as does stainless steel. At room temperature it has better resistance than stainless steel to weak solutions of sulfuric and hydroelectric acids.

Multimet N155 Specification:

Specification

Sheet/Plate

Round Bar/Wire

AMS 5532

AMS 5768/AMS 5769/AMS5794

China Special Steel Limited is a Multimet N155 Nickel alloy Sheet/Plate/Strip/Coil/tube/Pipe/ Ring/Bar/Rod/Forging/Fittings/Flange professional manufacturer and supplier. If you have any information about Multimet N155 Nickel alloy chemical composition, Mechanical property, density,Heat treatment, melting point ,or any other service, please contact with our sales team.

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