T1 Tool Steel | SKH2 | 2750 | W18Cr4V | HS 18-0-1 | 1.3355 High Speed Steel

AISI T1 Tool Steel is typical W High Speed Steel. HSS T1 is the most widely used tungsten type of high speed steel, high temperature hardness and red hardness is high, easy to grinding. ASTM T1 applicable for working temperature below 600 ℃ can still keep the cutting performance of cutting tools, such as vehicles, shaver, milling, reaming, broach, drilling, gear cutting tools and tap, die, etc We supply T1 high Speed tool steel in round bar, flat, square bar, plate,sheet.

Supply Form of HSS T1 Tool Steel -ASTM A681 High Speed Steel
Supply Range of SAE T1 Tool Steel HSS Tungsten High Speed Steel

T1 Steel Round Bar: diameter 1mm – 400mm

T1 Steel Plate: thickness 1 –500mm x width 200– 1400mm

T1 Steel Block: 210mm x 500-810mmT1 TOOL STEEL ASTM HIGH SPEED STEEL BAR

Chemical Composition of T1 Tool Steel Material 
ASTM A681 C Si Mn P S Cr Mo V w
T1/ T12001 0.65～0.80 0.20～0.40 0.10～0.40 0.030 Max 0.030 Max 3.75～4.50 – 0.90～1.30 17.25～18.75
DIN 17350 C Si Mn P S Cr Mo V w
1.3355/HS 18-0-1 0.70～0.78 ≤0.45 ≤0.40 0.030 Max 0.030 Max 3.80～4.50 – 1.00～1.20 17.50～18.50
GB/T 9943 C Si Mn P S Cr Mo V w
W18Cr4V 0.70～0.80 0.20～0.40 0.10～0.40 0.030 Max 0.030 Max 3.80～4.40 ＜0.30 1.00～1.40 17.5～19.00
JIS G4403 C Si Mn P S Cr Mo V w
SKH2 0.73～0.83 ≤0.45 ≤0.40 0.030 Max 0.030 Max 3.80～4.50 – 1.00～1.20 17.20～18.70
AISI T1 Tool Steel Material Equivalent and Related Speciations
USA German Japan China ISO
ASTM A681 DIN 17350 JIS G4403 GB/T 9943 ISO 4957
T1 1.3355 SKH2 W18Cr4V HS 18-0-1

 

SAE T1 Tool Steel Material Mechanical Properties

Hardness, Rockwell C (tempered at 621°C, quenched at 1277°C): 63-65 HRc.

Elastic modulus: 190-210 GPa

SAE T1 Tool Steel Physical Properties

Density: 8.67kg/cm3

Thermal expansion: 9.7 x 10-6/°C   at 20-200°C more

Forged of T1 HSS Steel metal material

Pre-Heating to 650-750℃，Then heat to forged temperature. Soak at 1204°C, ensure heat thorough. Then start forged, the forged temperature no low than 950℃. After forging, cool slowly.

Heat Treatment of SAE T1 Steel-A681 High Speed Tool Steel
  • T1 HSS Steel Annealing

Slowly heat to 816-871℃，then slowly Cool to 538℃(1000℉) in heat treatment furnace. Then cool in air. After annealing hardness HBS: 255 Max

  • T1 tool Steel Hardening

T1 steel having very high hardenability and should be hardened by cooling in still air. The use of a salt bath or controlled atmosphere furnace is desirable to minimize decarburization, and if not available, pack hardening in spent pitch coke is suggested.

  • Quenching of HSS T1 Tool Steel material

Quenching temperature / ℃ | salt bath furnace: 1277

Quenching temperature / ℃ | controlled atmosphere furnace: 1288

The heat preservation time/min: 5 ~ 15

Quenching medium: Oil cooling

Hardness: 63 HRc Min

  • Tempering Of HSS T1 Tool Steel

Tempering temperature / ℃ : 540-564

After tempering hardness HRC or higher: 63 Min

Application of Sae T1 tool Steel ASTM HSS

AISI T1 high speed tool steel is the most widely used tungsten is a general type of high speed steel, high temperature hardness and red hardness and hardness is high, easy to grinding. Apply for working temperature below 600 ℃ can still keep the cutting performance of cutting tools, such as vehicles, shaver, milling, reaming, broach, drilling, gear cutting tools and tap, die, etc., suitable for processing soft or medium hardness material below (300 ~ 320 hb). And the production of high temperature abrasion machine

Quality Assured of Sae T1 Tool Steel

Quality assured by ISO 9001:2008 quality management system. Our all T1 tool steel all had by SEP 1921-84 ultrasonic inspection (UT Test). Quality Grade: E/e, D/d, C/c.

If you have any T1 Tool steel inquiry and question for Price, Application, hot treatment, Please don’t hesitate contact us.

Email: Jack@otaisteel.com

Tel:  +86-769- 23190193

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