T1 Tool Steel High Speed | 1.3355 | HS18-0-1 | SKH2

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1.High Speed Steel T1 Tool Steel Mechanical Properties Physical Properties of HSS T-1 Steels Properties Metric Imperial Density 8.67 g/cm3 0.313 lb/in3 Mechanical Properties of T-1 Steel Properties Metric Imperial Hardness, Rockwell C 63.0 – 65.0 63.0 – 65.0 Poisson’s ratio 0.27-0.30 0.27-0.30 Elastic modulus 190-210 GPa 27557-30457 ksi Thermal Properties of T1 Tool Steel Properties Conditions T (°C) Treatment Thermal expansion 9.7 x 10-6/ºC 20-200 more – Th...

FOB Price: US $0.5 - 9,999 / Piece

Min.Order Quantity: 100 Piece/Pieces

Supply Ability: 10000 Piece/Pieces per Month

Port: Shenzhen

Payment Terms: L/C,D/A,D/P,T/T

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1.High Speed Steel T1 Tool Steel Mechanical Properties

Physical Properties of HSS T-1 Steels

Properties	Metric	Imperial
Density	8.67 g/cm3	0.313 lb/in3

Mechanical Properties of T-1 Steel

Properties	Metric	Imperial
Hardness, Rockwell C	63.0 – 65.0	63.0 – 65.0
Poisson’s ratio	0.27-0.30	0.27-0.30
Elastic modulus	190-210 GPa	27557-30457 ksi

Thermal Properties of T1 Tool Steel

Properties		Conditions
Properties		T (°C)	Treatment
Thermal expansion	9.7 x 10-6/ºC	20-200 more	–
Thermal conductivity	19.9 x W/m-K	100 more	–

2.Forging of AISI HSS T1 Tool Steel

Preheat T1 high speed steel uniformly and slowly to 850-880°C.
Increase the forging temperature for T-1 tool steel until 1050-1130°C.
T1 hss tool steel should be cooled very slowly after forging.

3.AISI/ASTM T1 Tool Steel Heat Treatment and Properties

Treatment	Temperature Range	Cooling/Quenching	Notes
Forging	1700-2100° F	Slow.	Cool slowly in dry sand or in other insulating media.
Annealing	1600-1650° F	Cool slowly at a rate of 35° F per hour to 1000° F.	For best results, insulating media is desirable. Hold at temperature for 2 hours.
Stress Relieving	1100-1300° F	Cool slowly	Stress relieve after rough machining
Preheating	1500-1550° F		Preheat time in furnace is ¾ Hr. per inch of thickness. Heating up to temperature as slow as possible.
Hardening	2325-2375° F (furnace)	Quench in air or warm oil. To minimize quenching strains, quench in salt at 1000° F	For maximum wear resistance, harden at 2375° F. For maximum toughness and high hardness, harden at 2275° F.
Hardening	2275-2350° F (salt bath)
Tempering	1022 ° F-1058 ° F	Temper T1 high-speed steel immediately after quenching. Hold for at least two hours	Double tempering is recommended. The usual tempering time is 2+2 hours. Recommended temperature is 1000-1075° F for cutting tools. 1100-1200° F for shock tools