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DIN 1.2311,40CrMnMoS8-6,1.2312,P20,40CMD8 Details
DIN 1.2311,40CrMnMoS8-6,1.2312,P20,40CMD8 Standard Download
Chemical composition(wt.%) of 1.2311,40CrMnMoS8-6,1.2312,P20,40CMD8 grade: DIN 17350 (1980)
| Elements |
Min.（≥） |
Max.（≤） |
Similar |
Remarks |
| C |
0.35 |
0.45 |
|
|
| Si |
0.30 |
0.50 |
|
|
| Mn |
1.40 |
1.60 |
|
|
| P |
- |
0.030 |
|
|
| S |
0.05 |
0.10 |
|
|
| Cr |
1.80 |
2.00 |
|
|
| Mo |
0.15 |
0.25 |
|
|
| V |
- |
- |
|
|
Mechanical properties of grade 1.2311,40CrMnMoS8-6,1.2312,P20,40CMD8 DIN 17350 (1980)
Yield Strength,Rp 0.2(MPa)
| Condition |
Min |
Max |
Similar |
Note |
Tensile Strength,Rm(MPa)
| Condition |
Min |
Max |
Similar |
Note |
Impact,Kv/Ku(J)
| Condition |
Min |
Max |
Similar |
Note |
Elongation,A(%)
| Condition |
Min |
Max |
Similar |
Note |
Reduction of area,(%)
| Condition |
Min |
Max |
Similar |
Note |
Hardness
| Condition |
Type |
Min |
Max |
Similar |
Note |
| A |
HB |
|
235 |
|
|
| QT |
HRC |
|
51 |
|
|
Physical properties of grade 1.2311,40CrMnMoS8-6,1.2312,P20,40CMD8 DIN 17350 (1980)
| Density |
Note |
| 7.84 g/cm3 |
|
| Linear expansion coefficient |
Note |
| 12.4 *10-6m/(m*K) |
|
| Thermal conductivity |
Note |
| 34 W/(m*K) |
|
|
Note |
|
|
Related properties
| - Temperature range: 20-200 °C 13 *10-6m/(m*K) |
| QT - Temperature range: 20-300 °C 13,4 *10-6m/(m*K) |
| QT - Testing temperature 13 *10-6m/(m*K) |
| QT - Temperature range: 20-300 °C 13,4 *10-6m/(m*K) |
Application
1.2311, 40CrMnMoS8-6, 1.2312, 40CrMnMoS8-6, P20, 40CMD8 plastic mould tool steels, suitable to operate in high temperature, used mainly for plastic moulds, hydroforming tools and frames for plastic pressure dies. They are highly hardenable, resistant to tempering and strong in high temperature.
Similar Steel Grades
1.2311, 1.2312, 40CrMnMo7, 40CrMnMoS8-6, P20+S, UNS T51620, P20, 40Ch2GM, 35CrMo8, 40CMD8, F-5302, A681, 40Х2ГМ
1.2311,40CrMnMoS8-6,1.2312,P20,40CMD8 - Form of Supply
| Product type |
Products |
Dimension |
Processes |
Deliver Status |
| Plates / Sheets |
Plates / Sheets |
0.08-200mm(T)*W*L |
Forging, hot rolling and cold rolling |
Annealed, Solution and Aging, Q+T, ACID-WASHED, Shot Blasting |
| Steel Bar |
Round Bar, Flat Bar, Square Bar |
Φ8-1200mm*L |
Forging, hot rolling and cold rolling, Cast |
Black, Rough Turning, Shot Blasting, |
| Coil / Strip |
Steel Coil /Steel Strip |
0.03-16.0x1200mm |
Cold-Rolled & Hot-Rolled |
Annealed, Solution and Aging, Q+T, ACID-WASHED, Shot Blasting |
| Pipes / Tubes |
Seamless Pipes/Tubes, Welded Pipes/Tubes |
OD:6-219mm x WT:0.5-20.0mm |
Hot extrusion, Cold Drawn, Welded |
Annealed, Solution and Aging, Q+T, ACID-WASHED |
