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E STEEL SDN. BHD.
3, Lorong Sungai Puloh 7/KU6, Kawasan Perindustrian Sungai Puloh, 42100 Klang, Selangor, Malaysia.
+603-3292 8686
SKH9 High Speed Steel
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- SKH9 High Speed Steel Supplier Malaysia Singapore Indonesia
- SKH51 Steel Supplier
- M2 Steel Supplier
- SKH9 Steel Round Bars SKH9 Plates Supplier
We are the Malaysia and Singapore Tool Steel Supplier with a wide range of High Speed Steel.
E Steel supply SKH9 High Speed Steel Plates , SKH9 Tool Steel Round Bars , SKH9 HSS Rods.
Description
Preheating: To minimize distortion and stresses in large or complex tools use a double preheat. Heat at a rate not exceeding 400°F per hour (222°C per hour) to 1100°F (593°C) equalize, then heat to 1450-1550°F (788-843°C). For normal tools, use only the second temperature range as a single preheating treatment.
Austenitizing (High Heat): Heat rapidly from the preheat.
For Cutting Tools:
Furnace: 2200-2250°F (1204-1232°C)
Salt: 2175-2225°F (1191-1218°C)
To maximize toughness, use the lowest temperature.
To maximize hot hardness, use the highest temperature.
For punches, dies, and tools that require maximum
toughness without hot hardness:
Furnace: 2075-2175°F (1175-1191°C)
Salt: 2050-2150°F (1121-1177°C)
Quenching: Pressurized gas, warm oil, or salt. For pressurized gas, a rapid quench rate to below 1000°F (538°C) is critical to obtain the desired properties. For oil, quench until black, about 900°F (482°C), then cool in still air to 150 -125°F (66-51°C). For salt maintained at 1000-1100°F (538-593°C), equalize, then cool in still air to 150 -125°F (66-51°C).
Tempering: Temper immediately after quenching. Typical tempering range is 1025-1050°F (552-566°C). Hold at temperature for 2 hours, then air cool to ambient temperature. Double tempering is required. For large cross sections, and especially for blanks from which tools will be cut by wire EDM, triple tempering is strongly recommended.
E Steel supply SKH9 High Speed Steel Plates , SKH9 Tool Steel Round Bars , SKH9 HSS Rods.
Description
SKH9 High Speed Steel, SKH51, M2
SKH9 High Speed Steel (M2 High Speed Steel) is a tungsten-molybdenum high speed steel with a well balanced composition suitable for a wide variety of applications. World wide, the M2 type is by far the most popular high speed steel having replaced T1 high speed in most applications because of its superior properties and relative economy.
Chemical Composition
| C | Mn | Si | Cr | W | Mo | V |
| 0.85 | 0.28 | 0.30 | 4.15 | 6.15 | 5.00 | 1.85 |
Common M2 Tool Steel Related Specifications and Equivalents
| Country | USA | German | Japan |
| Standard | ASTM A600 | DIN EN ISO 4957 | JIS G4403 |
| Grades | M2 | 1.3343 | SKH51 |
Physical Properties
- Density:294 lb/in3 (8138 kg/m3)
- Specific Gravity:14
- Modulus of Elasticity:30 x 106 psi (207GPa)
- Machinability:50-60% of a 1% carbon steel
- AISI M2 Tool Steels Properties Mechanical
| Mechanical Properties | Metric | Imperial |
| Hardness, Rockwell C (tempered at 1150°F, quenched at 2200°F) | 62 | 62 |
| Hardness, Rockwell C (as hardened, quenched at 2200°F) | 65 | 65 |
| Compressive yield strength (when tempered at 300°F) | 3250 MPa | 471000 psi |
| Izod impact unnotched (when tempered at 300°F) | 67 J | 49.4 ft-lb |
| Abrasion (loss in mm3, as-hardened; ASTM G65) | 25.8 | 25.8 |
| Abrasion (loss in mm3, tempered at 1275°F; ASTM G65) | 77.7 | 77.7 |
| Poisson’s ratio | 0.27-0.30 | 0.27-0.30 |
| Elastic modulus | 190-210 GPa | 27557-30458 ksi |
Heat Treating Instructions
Hardening of HSS SHK9 / SKH51Preheating: To minimize distortion and stresses in large or complex tools use a double preheat. Heat at a rate not exceeding 400°F per hour (222°C per hour) to 1100°F (593°C) equalize, then heat to 1450-1550°F (788-843°C). For normal tools, use only the second temperature range as a single preheating treatment.
Austenitizing (High Heat): Heat rapidly from the preheat.
For Cutting Tools:
Furnace: 2200-2250°F (1204-1232°C)
Salt: 2175-2225°F (1191-1218°C)
To maximize toughness, use the lowest temperature.
To maximize hot hardness, use the highest temperature.
For punches, dies, and tools that require maximum
toughness without hot hardness:
Furnace: 2075-2175°F (1175-1191°C)
Salt: 2050-2150°F (1121-1177°C)
Quenching: Pressurized gas, warm oil, or salt. For pressurized gas, a rapid quench rate to below 1000°F (538°C) is critical to obtain the desired properties. For oil, quench until black, about 900°F (482°C), then cool in still air to 150 -125°F (66-51°C). For salt maintained at 1000-1100°F (538-593°C), equalize, then cool in still air to 150 -125°F (66-51°C).
Tempering: Temper immediately after quenching. Typical tempering range is 1025-1050°F (552-566°C). Hold at temperature for 2 hours, then air cool to ambient temperature. Double tempering is required. For large cross sections, and especially for blanks from which tools will be cut by wire EDM, triple tempering is strongly recommended.
Applications:
SKH9 (SKH51) High Speed Tool Steel can be used in :- Twist drills, taps, milling cutters, reamers, broaches, saws, and knives.
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E Steel is a Global Metal Procurement Company in providing and sourcing raw materials to the wide range of engineering industries / sectors. We works as the the Online B2B Metal Marketplace to help our customers in finding the special steels that might feel hard to source locally.