U10A, C105W1, C105W2, 1.1645, 1.1545 - tool steel
high-carbon tool steel N10E, U10A, C105U, C105W1, C105W2, 1.1645, 1.1545 according to PN-84/H-85020, DIN 17350, ISO 4957, GOST 1435-74.
| Standard | Steel Grade | |||||||
|---|---|---|---|---|---|---|---|---|
| Chemical Composition % | ||||||||
| C: | Mn: | Si: | P: | S: | Cr: | Ni: | Cu: | |
| PN | N10E | |||||||
| 0.95 - 1.04 | 0.15 - 0.30 | 0.15 - 0.30 | <0.025 | <0.025 | <0.15 | <0.2 | <0.2 | |
| PN | N10 | |||||||
| 0.95 - 1.04 | 0.15 - 0.35 | 0.15 - 0.35 | <0.030 | <0.030 | <0.2 | <0.25 | <0.25 | |
| GOST | U10A - У10А | |||||||
| 0.96 - 1.03 | 0.17 - 0.28 | 0.17 - 0.33 | <0.025 | <0.018 | <0.2 | <0.2 | <0.2 | |
| ISO | C105U - CT105 - 1.1545 | |||||||
| 1.00 - 1.10 | 0.1 - 0.4 | 0.1 - 0.3 | <0.030 | <0.030 | - | - | - | |
| DIN | C105W1 - 1.1545 | |||||||
| 1.00 - 1.10 | 0.10 - 0.25 | 0.10 - 0.25 | <0.020 | <0.020 | - | - | - | |
| DIN | C105W2 - 1.1645 | |||||||
| 1.00 - 1.10 | 0.10 - 0.35 | 0.1 - 0.3 | <0.030 | <0.030 | - | - | - | |
Stal N10E, N10, C105W1, C105W2, 1.1545, 1.1645 - specifications and application
N10E and N10 are shallow- and deep-hardening toll steels with a low content of alloys, which differ in terms of the content of Phosphorus and Sulfur. N10 is a deep-hardening steel, and N10E is a shallow-hardening steel grade Due to the fairly limited availability, quality and popularity of the materials of this group, the most commonly used grade is N10E.
The deciding factor is lower sensitivity to impact, shock, and the purity of the steel. Other features of the N10/N10E grades are high hardness (HRC 62+), and resistance to abrasion. From the above-mentioned grades are made, among others, punches, machine knives, twist drills, files, reamers, taps, dies, milling cutters, shoemaker knives, chisels, cutting plates for cutting dies, lathe knives, circular knives, and cutting tools working at low speed.
Mechanical properties of N10E and N10
- Thermal conductivity, λ: 50,2 W * m-1 * K-1
- Linear expansion coefficient, α: 10,84 * 10-6 K-1
- Hardness in softened condition: <197 HBW
- Hardness after hardening and tempering:
- 150℃: >62 HRC
- 200℃: 61,5 HRC
- 250℃: 58,5 HRC
- 300℃: 55,0 HRC
- 350℃: 51,0 HRC
- 400℃: 47,0 HRC
- 450℃: 42,0 HRC
- 500℃: 36,0 HRC
Mechanical properties of C105U, C105W1, 1.1545 steel
- Hardness in +A condition: : <212 HB
- Hardness in +A +C condition: <232 HB
Heat and plastic treatment of N10E and N10
- Rolling and forging at a temperature of 1000 - 800 ℃
- Hardening at a temperature of 760 - 780℃
- Tempering at a tempering of 180 - 300℃
- Softening annealing at a temperature of 680 - 710 ℃
- Relief annealing at a temperature of 600 - 700℃
In the above mentioned grades the company provides:
Substitutes, equivalents and other species designations
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