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M303
Data Table for: Steel Grades : Mould Steel : M303
Chemical composition(mass fraction)(wt.%)
Mechanical Properties
- Quantity
- Value
- Unit
- Young's modulus
- Tensile strength
- Elongation
- Fatigue
- Yield strength
- 200000 - 200000
- 650 - 880
- 8 - 25
- 275 - 275
- 350 - 550
- MPa
- MPa
- %
- MPa
- MPa
Physical Properties
- Quantity
- Value
- Unit
- Thermal expansion
- Thermal conductivity
- Specific heat
- Melting temperature
- Density
- Resistivity
- 10 - 10
- 25 - 25
- 460 - 460
- 1450 - 1510
- 7700 - 7700
- 0.55 - 0.55
- e-6/K
- W/m.K
- J/kg.K
- °C
- kg/m3
- Ohm.mm2/m
Heat Treatment:
Annealing |
Quenching |
Tempering |
Normalizing |
Q & T |
√ |
√ |
√ |
√ |
√ |
Can produce M303 specifications and size
- Steel grade
- Specification
- Processing range(mm)
- M303
- M303
- M303
- M303
- M303
- M303
- Φ1 to Φ2000
- 10 to 1000
- 0.08 to 800(T)*10 to 1500(W)*Long
- Pipe/tube/slugs/donuts/cubes/other shapes
- OD: Φ4-410; WT: 1-35 mm
- THK:0.1mm Width:1500mm
Description
|
Component Elements Properties
|
Metric
|
English
|
Comments
|
|
Carbon, C
|
0.270 %
|
0.270 %
|
|
|
Chromium, Cr
|
14.5 %
|
14.5 %
|
|
|
Iron, Fe
|
82.4 %
|
82.4 %
|
As Balance
|
|
Manganese, Mn
|
0.650 %
|
0.650 %
|
|
|
Molybdenum, Mo
|
1.00 %
|
1.00 %
|
|
|
Nickel, Ni
|
0.850 %
|
0.850 %
|
|
|
Silicon, Si
|
0.300 %
|
0.300 %
|
|
Physical Properties
|
Metric
|
English
|
Comments
|
|
Density
|
7.70 g/cc
|
0.278 lb/in³
|
|
|
|
|||
|
Mechanical Properties
|
Metric
|
English
|
Comments
|
|
Hardness, Brinell
|
290 - 330
|
290 - 330
|
as supplied; hardened and tempered
|
|
Hardness, Rockwell C
|
53.0
|
53.0
|
hardening at 1020°C; without tempering
|
|
Modulus of Elasticity
|
168 GPa
@Temperature 600 °C |
24400 ksi
@Temperature 1110 °F |
|
|
|
181 GPa
@Temperature 500 °C |
26300 ksi
@Temperature 932 °F |
|
|
|
191 GPa
@Temperature 400 °C |
27700 ksi
@Temperature 752 °F |
|
|
|
200 GPa
@Temperature 300 °C |
29000 ksi
@Temperature 572 °F |
|
|
|
207 GPa
@Temperature 200 °C |
30000 ksi
@Temperature 392 °F |
|
|
|
214 GPa
@Temperature 100 °C |
31000 ksi
@Temperature 212 °F |
|
|
|
218 GPa
@Temperature 20.0 °C |
31600 ksi
@Temperature 68.0 °F |
|
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