| Mar M246 Overview |
| Category |
High alloy steel |
| Class |
High temperature corrosion Alloy steel |
| Type |
Austenitic standard |
| Common Names |
Chromium-Manganese-MAR-M 246 |
| Density |
8.5 g/cm³ |
| Standard |
AMS |
| Specific Heat |
~430-500 J/kg·K |
| Service Temperature |
up to ~1000-1050 °C |
| Heat Treatment |
- Normalizing, Quenching
- Annealing, Tempering
|
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Get Mar M246 Material as per Standards Click Here
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Table of Content
MAR M 246 Superalloys Supplier in India in Various Forms At Best Price
Alloy Mar M246 MAR-M 246 Forms
| Product type |
Products |
Dimension |
Processes |
| Steel Bar |
Round Bar, Flat Bar, Square Bar |
Φ8-1200mm*L |
Forging, hot rolling and cold rolling, Cast |
| Plates / Sheets |
Plates / Sheets |
0.08-200mm(T)*W*L |
Forging, hot rolling and cold rolling |
| Coil / Strip |
Steel Coil /Steel Strip |
0.03-16.0x1200mm |
Cold-Rolled & Hot-Rolled |
| Pipes / Tubes |
Seamless Pipes/Tubes, Welded Pipes/Tubes |
OD:6-219mm x WT:0.5-20.0mm |
Hot extrusion, Cold Drawn, Welded |
Mar M246 Material Equivalent Grade
MAR-M 246 Superalloys Conditions & Properties
- +AC Annealed to achieve spheroidization of the carbides
- +QT Quenched and tempered
- +WW Warm worked
- +N Normalized
- +NT Normalized and tempered
- +AT Solution annealed
- +C Cold drawn / Hard
- +CR Cold rolled
- +PE Peeled
- +T Tempered
- +A Soft annealed
Offer Excellent Strength Mar M246 Alloy Which is Used as Cast Steel in Turbine Blades
Mar M246 Alloy Applications
Deliver Status of GB MAR M 246 Superalloys
| Product type |
Deliver Status |
| Plates / Sheets |
Annealed, Solution and Aging, Q+T, ACID-WASHED, Shot Blasting |
| Steel Bar |
Black, Rough Turning, Shot Blasting, |
| Coil / Strip |
Annealed, Solution and Aging, Q+T, ACID-WASHED, Shot Blasting |
| Pipes / Tubes |
Annealed, Solution and Aging, Q+T, ACID-WASHED |
Stockist Of Nickel Cobalt Based Mar M246 Material in Mumbai , Refer Chemical Composition
Nickel Cobalt Based Mar M246 Material Chemical Composition
| Elements |
Min.（≥） |
Max.（≤） |
| Cr |
8.00 |
10.00 |
| Ni |
- |
Bal |
| Mo |
2.25 |
2.75 |
| Co |
9.00 |
11.00 |
| W |
9.00 |
11.00 |
| C |
0.13 |
0.17 |
| Fe |
- |
1.00 |
| Ta |
1.25 |
1.75 |
| Zr |
0.03 |
0.08 |
| B |
0.010 |
0.020 |
| Si |
- |
0.20 |
| Mn |
- |
0.20 |
| S |
- |
0.015 |
| Al |
5.25 |
5.75 |
| Cu |
- |
0.10 |
| Ti |
1.25 |
1.75 |
Solution and Aging of MAR-M246 Nickel-Based Superalloy
| Conditions |
Value |
| Solution Temperatures |
1200 °C and 1250 °C |
| Solution Time |
330 min |
| Aging Temperatures |
780 °C, 880 °C, 980 °C |
| Aging Times |
5 h, 20 h, 80 h |
| Software Used |
JMatPro (Ni database) for γ′ solvus, solidus, liquidus calculations |
| Characterization Techniques |
SEM/EDS and SEM-FEG |
| Microstructure at 1250 °C Solutioning |
Homogeneous γ matrix; carbides and uniformly distributed cubic γ′ precipitates |
| γ′ Size After Aging at 780 °C & 880 °C (5-80 h) |
No significant change compared to solution-treated sample |
| γ′ Size After Aging at 980 °C |
Significant increase in γ′ particle size, especially after 80 h |
Check Corrosion Resistance GB MAR M 246 Cast Steel Density and Mechanical Properties
MAR M 246 Cast Steel Mechanical Properties
| Tensile strength
Rm (MPa) |
Proof strength
Rp0.2 (MPa) |
Impact energy
KV (J) |
Reduction in cross section on fracture
Z (%) |
Elongation at fracture
A (%) |
As-Heat-Treated Condition |
Brinell hardness (HBW) |
| 435 (≥) |
878 (≥) |
43 |
12 |
13 |
Solution and Aging, Annealing, Ausaging, Q+T,etc |
322 |
Stress Rupure Property of Alloy Mar M246
| Condition |
Stress Rupure Property |
| Cast |
Temperature
ºC |
Stress
N/mm2 |
A
% |
Life
hr |
| 871±2 |
414 |
>4 |
>24 |
| - |
GB MAR M 246 Superalloys Heat Treatment
| Normalizing |
Quenching |
Annealing |
Tempering |
Q & T |
| √ |
√ |
√ |
√ |
√ |
MAR-M 246 High Temperature Steel Advantanges
- Excellent High-Temperature Strength
- Superior Creep Resistance
- Outstanding Oxidation and Corrosion Resistance
- Good Thermal Fatigue Resistance
- High Microstructural Stability
Find Solution Treated At MAR-M 246 High Temperature Steel Suitable to Work At Temperature 885°C, Refer Physical Propeties
Physical Properties of of Grade MAR-M 246
| Property |
Density
kg/dm3 |
Temperature T
°C/F |
Specific heat
J / kgK |
Thermal conductivity
W/mK |
Modulus of elasticity
kN/mm2 |
Expansion rate |
Electric resistance
µΩ·cm |
Temp.
°C/°F |
Creep strain limit
(10000h)
(Rp1,0) N/mm2 |
Creep rupture strength
(10000h)
(Rp1,0) N/mm2 |
| 182 (≥) |
488 (≥) |
12 |
21 |
14 |
341 |
341 |
Solution and Aging, Annealing, Ausaging, Q+T,etc |
644 |
357 |
944 |
Thermal Properties of High Alloy Mar M246
| Properties |
Conditions |
| T (°C) |
Treatment |
| Thermal Expansion (10-6/ºC) |
17.5 |
0-100 more |
- |
| Thermal Conductivity (W/m-K) |
16.2 |
100 more |
- |
| Specific Heat (J/kg-K) |
500 |
0-100 |
- |
Grade MAR M 246 Electric Properties
| Properties |
Conditions |
| T (°C) |
Treatment |
| Electric Resistivity (10-9W-m) |
690 |
25 |
- |
High Alloy Mar M246 Temprature Range
| Services |
Temperature Range (°C) |
| Operating Temperature |
850 - 980 °C |
| Maximum Service Temperature |
~1000 - 1050 °C |
| Solution Heat Treatment Temperature |
1200 - 1250 °C |
| Aging Temperature (Low) |
750 - 820 °C |
| Aging Temperature (Standard) |
850 - 900 °C |
| Aging Temperature (High) |
950 - 1000 °C |
Aluminide Coating on Mar-M246 Nickel Superalloy
| Coating Temperature (°C) |
Coating Time
(hours) |
Coating Thickness (μm) |
Weight Gain
(%) |
Coating |
| Layer |
Major phase |
| 700 |
9 |
91.36 ± 1.35 |
5.05 |
Outer |
Ni2Al3 + NiAl3 |
| Inner |
Ni2Al3 |
| 800 |
9 |
142.0 ± 4.17 |
8.24 |
Outer |
Ni2Al3 + NiAl3 |
| Inner |
Ni2Al3 |
| 900 |
9 |
192.7 ± 1.29 |
10.59 |
Unique |
Ni2Al3 |
| 1000 |
9 |
299.9 ± 1.24 |
13.31 |
Ni2Al3 |
