HS6-5-2C, 1.3343 - High speed steel
High-speed tungsten-molybdenum steel HS6-5-2C, S6-5-2, 1.3343, AISI M2 according to ISO 4957, DIN 17350.
| Standard | Steel Grade | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Chemical Composition % | |||||||||||
| C: | Mn: | Si: | P: | S: | Cr: | Mo: | Ni: | V: | W: | Co: | |
| PN | SW7M | ||||||||||
| 0.82 - 0.92 | <0.4 | <0.5 | <0.03 | <0.03 | 3.5 - 4.5 | 4.5 - 5.5 | <0.4 | 1.7 - 2.1 | 6.0 - 7.0 | <0.5 | |
| ISO | HS6-5-2C | ||||||||||
| 0.86 - 0.94 | <0.4 | <0.45 | <0.03 | <0.03 | 3.8 - 4.5 | 4.7 - 5.2 | - | 1.7 - 2.1 | 5.9 - 6.7 | - | |
| ISO | HS6-5-2 - 1.3339 | ||||||||||
| 0.80 - 0.88 | <0.4 | <0.45 | <0.03 | <0.03 | 3.8 - 4.5 | 4.7 - 5.2 | - | 1.7 - 2.1 | 5.9 - 6.7 | - | |
| DIN | S6-5-2 - 1.3343 | ||||||||||
| 0.86 - 0.94 | <0.4 | <0.45 | <0.03 | <0.03 | 3.8 - 4.5 | 4.7 - 5.2 | - | 1.7 - 2.0 | 6.0 - 6.7 | - | |
| NF | Z85WDCV06-05-04-02 | ||||||||||
| 0.80 - 0.87 | <0.4 | <0.5 | <0.03 | <0.03 | 3.5 - 4.5 | 4.6 - 5.3 | - | 1.7 - 2.2 | 5.7 - 6.7 | - | |
| ASTM | UNS T11302 - AISI M2 | ||||||||||
| 0.78 - 0.88 | 0.15 - 0.40 | 0.20 - 0.45 | <0.03 | <0.03 | 3.75 - 4.50 | 4.5 - 5.5 | - | 1.75 - 2.20 | 5.50 - 6.75 | - | |
| GOST | R6M5 - Р6М5 | ||||||||||
| 0.82 - 0.90 | <0.5 | <0.5 | <0.03 | <0.25 | 3.80 - 4.40 | 4.8 - 5.3 | <0.4 | 1.7 - 2.1 | 5.5 - 6.5 | <0.5 | |
S6-5-2, HS6-5-2, 1.3343 - specification and application
High-speed steel with very good efficiency, ductility, resistance to abrasion and torsion, and impact strength used to work with products with a strength of more than 830 MPa. It is used in the production of drills, blades, knives, spiral drills, thread cutting tools, broaching tools, gear tools, milling cutters, mandrel reamers, end milling cutters, and circular saw segments. SW7M / 1.3343 is prone to decarburization and overheating during heat treatment. After hardening and tempering, it achieves hardness above 63 HRC.
Mechanical properties of SW7M, S6-5-2, HS6-5-2C, 1.3343
- Hardness in +A delivery condition: <269 HB
- Hardness in +A+C delivery condition: <319 HB
- Hardness in +A+CR delivery condition: <339 HB
- Hardness after hardening and tempering:
- at 300 ℃ = 61,5 HRC
- at 350 ℃ = 62 HRC
- at 400 ℃ = 62 HRC
- at 450 ℃ = 63 HRC
- at 500 ℃ = 65 HRC
- at 550 ℃ = 65 HRC
- at 600 ℃ = 60 HRC
- at 650 ℃ = 52 HRC
Heat and plastic treatment processes of SW7M, S6-5-2, HS6-5-2C, 1.3343 steel:
- Softening annealing at a temperature of 800 - 900 ℃
- Relief annealing at a temperature of 600 - 700℃
- Heating no. I in a temp. of about 550℃
- Heating no. II in a temp. of about 850℃
- Austenitizing at 1190 - 1230 ℃ (hardening in salt bath and oil)
- Tempering usually in the range of 550 - 570 ℃
- Forging and rolling at temperatures 1100 - 900 ℃
- Nitriding in the temperature range of 510 - 530 ℃
In the above mentioned grades the company provides:
Substitutes, equivalents and other species designations
SW7M
1.3343
HS6-5-2C
HS6-5-2
S6-5-2
1.3339
X82WMoCrV6-5-4
X80WMoCrV6-5-4
X 82 WMoCrV 6-5-4
X 80 WMoCrV 6-5-4
R6M5
AISI M2
SKH51
SS 2722
R6
W6Mo5Cr4V2
CSN 19830
1.3553
SC6-5-2
SC 6-5-2
1.3341
BS BM2
X82WMo0605KU
X 80 WMo 06 05 KU
RP5
EM2
F-550.A
UNS T11302
AISI M-2
HS 6-5-2 C
S 6-5-2
Р6М5
R6M5
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