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

AISI T1 Steel Reference standard:  ASTM A600, DIN 17350, EN ISO 4957, JIS G 4805, GB/T 9943, SS14

AISI T1 steel is a high tungsten – high speed tool steel. It is used to high strength, high hardness, high temperature tools products material. Like high speed drill rod, hss cutter,  hss drill bits, hss tools, high speed drill, high speed steel cutting tools,  high speed drill bits for steel, hss steel drill bits, etc.

Chemical composition of SAE HSS T1 steel AISI High Speed Steel
ASTM A681 C Si Mn P S Cr Mo V W Co
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 Co
1.3355 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 ~
JIS G4805 C Si Mn P S Cr Mo V w Co
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 ~
SS14 C Si Mn P S Cr Mo V w Co
2750 0.68～0.75 0.15～0.30 0.20～0.40 0.030 Max 0.030 Max 4.00～5.00 ≤0.50 1.10～1.30 17.0～19.0 ~
AISI T1 steel equivalent –HSS steel grade
  • AISI ASTM SAE T1 in USA HSS Steel material standard
  • SS14 2750 in Swedish Steel material standard
  • JIS SKH2- Japanese High Speed Steel Grade Standard
  • DIN S18-0-1 HSS steel grade material
  • W-Nr 1.3355 HSS
Form of Supply

AISI T1 high speed tool steel, we can supply the round bar, flat bar, plate, hexagonal and square block. Diameters can be sawn to your required lengths as one offs or multiple cut pieces. Rectangular pieces can be sawn from flat bar or plate to your specific sizes. Ground tool steel bar and precision ground steel plate can be supplied, providing a quality precision finished bar to tight tolerances.

AISI T1 Applications

As a high quality HSS tool steel AISI T1 is very suitable for make complex blanking, high speed Drill bar, vibration and impact load of the mold: deep drawing die, punching die. Metal cutting saw blades, cold heading and extrusion tools. It have very good hot hardness.

Supply Range of AISI T1 tool Steel
  • T1 steel round bar: diameter 20mm to 1400mm
  • T1 steel plate:  Thickness 20mm to 1400mm
  • T1 steel block
  • T1 steel flat bar
  • T1 steel square bar
  • T1 steel sheetT1 steel round_bar

Others have not specified size, pls contact our experienced sales team.

Mechanical Properties of AISI T1 Tool Steel

Tensile strength

Yield point

Percentage reduction of area after fracture

Elongation after fracture

Impact test

Surface Condition of T1 Steel

Black, Peeled, Rough Machined, Ground

Hardness of T1 High Speed Steel

Annealed (+A): max 269HB

Forging of AISI T1 steel-ASTM A681

Slowly Heat to 816-871 °C, Then rapid heating to 1093°C.keep the temperature to heat thoroughly. Start forging. Finished cool slowly. Below 932 °C no forging process.

Annealing of AISI T1 steel material

Heat to 850 °C, soak enough time, and ensure heat thoroughly. Then cool in the heat treatment furnace.

Quenching of AISI T1 material

Quenching heating temperature / ℃ | heating: 450 ~ 600

Quenching heating temperature / ℃ | a preheating: 850

Quenching heating temperature / ℃ | second preheating: 1050

Quenching heating temperature / ℃ | last heating: 1250 ~ 1290

Tempering of T1 steel grade material

/ ℃ tempering temperature: 550 ~ 550

After tempering hardness HRC or higher: 64

More T1 tool steel heat treatment data, pls contact your heat treatment supplier,.

Processing of TI steel

We Provide the sawing cutting, Milled, polishing and make drill bar, Etc.

If you have any inquiry and problems, Please don’t hesitate to discuss with us.

Email: Jack@otaisteel.com

Tel:  +86-769- 23190193

Fax:  +86-769-88705839