100CrMnSi6-4, 100CrMn6, 1.3520 - bearing steel
100CrMnSi6-4, 100CrMn6, 1.3520 - Bearing alloy structural chrome-molybdenum-silicon steel for roling bearing according to EN ISO 683-17.
| Standard | Steel Grade | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Chemical Composition % | ||||||||||||
| C: | Mn: | Si: | P: | S: | Cr: | Al: | Mo: | Ni: | Ti: | Cu: | O: | |
| PN | ŁH15SG | |||||||||||
| 0.95 - 1.10 | 0.95 - 1.25 | 0.40 - 0.65 | <0.027 | <0.02 | 1.30 - 1.65 | - | - | <0.3 | - | <0.25 | - | |
| ISO | 100CrMnSi6-4 - 1.3520 - 3520 | |||||||||||
| 0.93 - 1.05 | 1.0 - 1.2 | 0.45 - 0.75 | <0.025 | <0.03 | 1.40 - 1.65 | <0.05 | <0.1 | - | - | <0.3 | <0.0015 | |
| DIN | 100CrMn6 - 100 CrMn 6 | |||||||||||
| 0.93 - 1.05 | 1.0 - 1.2 | 0.45 - 0.75 | <0.025 | <0.015 | 1.40 - 1.65 | <0.05 | - | - | - | <0.3 | - | |
| UNE | F-1312 - F1312 | |||||||||||
| 0.95 - 1.10 | 0.95 - 1.25 | 0.45 - 0.75 | <0.03 | <0.025 | 1.40 - 1.65 | - | - | - | - | - | - | |
| AFNOR | 100 CM 6 - 100CM6 | |||||||||||
| 0.90 - 1.05 | 1.00 - 1.20 | 0.50 - 0.70 | <0.025 | <0.015 | 1.40 - 1.65 | <0.05 | <0.1 | <0.25 | - | <0.3 | - | |
| GOST TU | ShCh15SG - SHKH15SG - ШХ15СГ - SHH15SG | |||||||||||
| 0.95 - 1.05 | 0.9 - 1.2 | 0.40 - 0.65 | <0.027 | <0.02 | 1.30 - 1.65 | - | - | <0.3 | <0.01 | <0.025 | <0.0015 | |
| PN | NCMS | |||||||||||
| 0.95 - 1.10 | 0.90 - 1.20 | 0.40 - 0.70 | <0.03 | <0.03 | 1.30 - 1.65 | - | - | - | - | - | - | |
| UNS | K 19195 - K19195 - ASTM A485 - A 485 | |||||||||||
| 0.85 - 1.00 | 1.40 - 1.70 | 0.50 - 0.80 | <0.025 | <0.025 | 1.40 - 1.80 | - | <0.1 | <0.25 | - | <0.35 | - | |
| ČSN | ČSN 14 209 - ČSN 14209 | |||||||||||
| 0.90 - 1.10 | 0.90 - 1.20 | 0.35 - 0.65 | <0.027 | <0.03 | 1.30 - 1.65 | - | - | <0.3 | - | <0.25 | - | |
100CrMnSi6-4, 100CrMn6, 1.3520 - application and specification
High-carbon steel for ball bearings with higher hardenability than, for example, ŁH15, 100Cr6, for elements with a cross section of more than 30mm, for balls and bearing needles, roller bearing rings and discs, precision bearings and shafts. The steel is suitable for working at elevated temperatures and corrosive environment. It is characterized by high resistance to abrasion and tempering. It is hardened transverselly to a thickness of 50mm
100CrMnSi6-4, 1.3520, 100CrMn6 - Mechanical and physical properties, heat treatment
| Mechanical properties | ||
|---|---|---|
| Heat treatment | Tensile strength | Hardness |
| After annealing with limited hardness | - | ≤ 241 HB |
| After spheroidizing annealing | 570 - 720 MPa | 179 - 217 HB |
| After heat hardening and spheroidizing annealing | 590 - 780 MPa | 179 - 235 HB |
| After hardening and tempering | - | ≤ 61 HRC |
| Physical properties | ||
| Density, ρ | ~7,85 kg/dm³ | |
| Linear expansion coefficient - α | ~11,9 ⋅ 10⁻⁶ K⁻¹ | |
| Process of heat treatment | ||
| Softening annealing | 750 - 800℃ | |
| Hardening | 830 - 870℃ | in oil or water |
| Tempering at | 150 - 170℃ | |
Thermal properties of 100CrMnSi6-4, 1.3520
Thermal conductivity coefficient
| Delivery condition | The λ value at temperatures | |
|---|---|---|
| 20℃ | 100℃ | |
| Normalized | 0.42 W/(cm ⋅ K) | - |
| after annealing on a spheroidite | - | 0.607 W/(cm ⋅ K) |
Specific heatcp
| Value cp | ||||||
|---|---|---|---|---|---|---|
| Temperature range | 20℃ | 45℃ | 525℃ | 981℃ | ||
| kJ/(kg ⋅ K) | 0.50 | 0.510 | 0.787 | 0.727 | ||
| cal/(g ⋅ K) | 0.12 | 0.122 | 0.188 | 0.174 | ||
In the grade of 100CrMnSi6-4, 1.3520 the company provides:
Substitutes, equivalents and other species designations
100CrMnSi6-4
1.3520
3520
100CrMn6
100 CrMn 6
F-1312
F1312
100 CM 6
100CM6
ShCh15SG
SHKH15SG
ШХ15СГ
SHH15SG
NCMS
K 19195
K19195
ASTM A485
A 485
ČSN 14 209
ČSN 14209
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