SKH51 / SKH9 High Speed Steel
SKH51 / SKH9 high speed tool steel manufacturers and suppliers,supplied in round rods,square/flat bars,plates and sheets.
SKH51(SKH9) HSS Steel is widely used all over the world, instead of the Tungsten high speed tool steels-SKH2.It has a good distribution of carbides organization,and relatively balanced abrasion resistance and toughness.Only because just part of the carbon content is on the increase or decrease, so there is no damage to the high temperature properties.And it can continuously and dramatically change the nature of the SKH51 tool steel.
Carbon: 0.80/0.90; Chromium: 3.80/4.50; Molybdenum: 4.50/5.50;
Vanadium: 1.70/2.10; Tungsten: 5.90/6.70;
AISI/ASTM:M2; W-Nr:1.3343; DIN:HS6-5-2; UNS:T11302;
3.Form & Size
1)Form of SKH51 High-Speed Steel
2)SKH9 High Speed Tool Steel Size Available
(Length can be customized):
dia. 1-16mm(cold rolled);
dia. 10-50mm(hot rolled);
dia. 50-180mm(hot forged);
dia. 180-300(free forging);
Thickness: 1-2.5mm(cold rolled); 1.5-20mm(hot rolled); 20-300mm(hot forged);
Width: Max 800mm;
5.SKH51/SKH-9 HSS Steel Apps
SKH51 high speed steel is widely used in drill, tap, reamer, circular saw, knives, broach, gear cutter, etc.
SKH9 HSS steel is also fit for all kinds of hot, cold work die and punch, cutter, cutting knives, all kinds of gadolinium roll tool and so on.
1)Preheat SKH51 high speed tool steel uniformly to 850-900°C.
2)Increase the forging temperature up to 1050-1150°C.
3)SKH9 tool steel should be cooled very slowly after forging.
Heated to 800-850°C, hold at the temperature for 2~4 hours,then cool SKH51/SKH9 tool steel in the furnace .
1)Preheat SKH51 hss steel to 550°C ;
2)Increase the temperature up to 950°C;
3)Heating the hardening temperature to 1250°C;
5)Quench in the warm oil or brine,and then complete the quench in air;
6)SKH51 high speed steel is suitable for vacuum hardening,too.
1)Temper SKH9 hss immediately after quenching;
2)Heat uniformly to the tempering temperature;
3)Hold for at least two hours (one hour per 25mm);
4)Triple tempering is recommended for SKH-9 high speed steel.
Enquiry for SKH51/SKH-9 high speed steel round rods, square/flat bars , plates and sheets.