100MnCrW4, 1.2510, AISI O1 - tool steel
Tool steel for cold- working 100MnCrW4, 1.2510, 95MnWCr5, 1.2825 intended for knives, saws and measuring blades according to ISO 4957.
| Standard | Steel Grade | |||||||
|---|---|---|---|---|---|---|---|---|
| Chemical Composition % | ||||||||
| C: | Mn: | Si: | P: | S: | Cr: | V: | W: | |
| PN | NMWV | |||||||
| 0.9 - 1.0 | 1.0 - 1.3 | 0.15 - 0.40 | <0.03 | <0.03 | 0.4 - 0.7 | 0.10 - 0.25 | 0.4 - 0.7 | |
| DIN | 100MnCrW4 - 1.2510 | |||||||
| 0.90 - 1.05 | 1.0 - 1.2 | 0.15 - 0.35 | <0.035 | <0.035 | 0.5 - 0.7 | 0.05 - 0.15 | 0.5 - 0.7 | |
| ASTM | AISI O1 - UNS T31501 | |||||||
| 0.85 - 1.00 | 1.0 - 1.4 | 0.1 - 0.5 | <0.030 | <0.030 | 0.4 - 0.7 | <0.3 | 0.4 - 0.6 | |
| ISO | 95MnWCr5 - 1.2825 | |||||||
| 0.9 - 1.0 | 1.05 - 1.35 | 0.10 - 0.40 | <0.030 | <0.030 | 0.40 - 0.65 | 0.05 - 0.20 | 0.4 - 0.7 | |
| AF | 90MWCV5 - 90MnWCrV5 | |||||||
| 0.85 - 1.00 | 1.05 - 1.35 | 0.10 - 0.40 | - | - | 0.35 - 0.65 | 0.05 - 0.20 | 0.4 - 0.7 | |
| JIS | SKS 3 | |||||||
| 0.9 - 1.0 | 0.9 - 1.2 | <0.35 | <0.030 | <0.030 | 0.5 - 1.0 | - | 0.5 - 1.0 | |
100MnCrW4, 1.2510 - specifications and application
Tool steel for cold-working at low speeds with low tendency to hardening cracking and dimensional deformation while hardening and tempering processes. NMWV and its equivalents are materials exhibiting high hardness, as well as significantly increased resistance to abrasion, what favors cutting processes during operation.
The NMWV and 100MnCrW4/1.2510 grades are used for the production of trimmers and blanking dies, special knives, dies, reamers, cutting saws, broaches, thread and piston rods, taps, milling cutters, broaches, and precision measuring tools. NMWV steel can be used interchangeably with NWC materials.
Mechanical properties of 100MnCrW4, 1.2510:
- Linear expansion coefficient, α: 11.9 * 10-6 K-1
- Thermal conductivity, λ: 25 W * m-1 * K-1
- Hardness in softened condition: <241 HBW
- Hardness after hardening and tempering:
- 200℃: >61 HRC
- 250℃: 60,5 HRC
- 300℃: 58,8 HRC
- 350℃: 56,6 HRC
- 400℃: 54,4 HRC
- 450℃: 51,8 HRC
- 500℃: 49,4 HRC
- 550℃: 46,7 HRC
Heat and plastic treatment of 100MnCrW4, 1.2510 steel:
- Rolling and forging at a temperature of 1050 - 850 ℃
- Softening annealing at a temperature of 680 - 700 ℃
- Hardening at a temperature of 780 - 810℃
- Tempering at a tempering of 150 - 250℃
- Relief annealing at a temperature of 600 - 650℃
In the above mentioned grade, the company provides:
Substitutes, equivalents and other species designations
100MnCrW4
1.2510
100 MnCrW 4
95MnWCr5
1.2825
SKS3
SIS 2140
CSN 19314
BO1
AISI O1
UNS T31501
F-522.A
90MWCV5
90 MWCV 5
90MnWCrV5
90 MnWCrV 5
9CrWMn
9ChVG
9KhVG
9ХВГ
95ХГВФ
95ChGVF
95KhGVF
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