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AISI T1/DIN 1.3355 Forged High Speed Steel Bar

AISI T1DIN 1.3355 Forged High Speed Steel Bar

Available Size
Forged steel round bar: dia100mm-dia1500mm
Forged flat bar: thickness20mm-400mm, width80mm-1000mm
Forged steel block: 100mm*100mm-1000mm*1000mm

AISI T1/DIN 1.3355 Forged High Speed Steel Bar

AISI T1 is a high speed alloy steel on tungsten base with low susceptibility to hardening high cutting power and good toughness.

Similar Grades

Standard Grade Chemical composition (%)
    C Si Mn Cr Mo V W Co
GB W18Cr4V 0.70-0.80 0.20-0.40 0.10-0.40 3.80-4.40 <0.30 1.00-1.40 17.50-19.00
AISI T1 0.65-0.75 0.20-0.40 0.20-0.40 3.75-4.50 0.90-1.30 17.25-18.25
JIS SKH2 0.73-0.83 ≤0.45 ≤0.40 3.80-4.50 1.00-1.20 17.20-18.70
DIN 1.3355 0.70-0.78 ≤0.45 ≤0.40 3.80-4.50 1.00-1.20 17.50-18.50

Available Size

Forged steel round bar: dia100mm-dia1500mm

Forged flat bar: thickness20mm-400mm, width80mm-1000mm

Forged steel block: 100mm*100mm-1000mm*1000mm

Available Heat Treatment

Hot work temperature: (1) Start:1070 °C -1180°C (2) End: ≥950 °C

Annealing temperature: 870 °C – 900 °C

Hardness after annealing HBS: 217-255

Quenching temperature: 1260 °C -1300 °C

Cooling medium: oil, air cooling/ salt bath

Tempering temperature: 540 °C – 600 °C

Hardness after tempering HRC: 65-60

Characteristics

1. Good red hardness

2. High hardness and good machinability

3. Good grindability

4. Low quenching overheating sensitivity

Application

Turning tool, twist drills, screw cutting tools, lathe tools, milling cutter, broach, gear cutter, etc.

Delivery Condition

Forged, black surface/ turned surface with customers’ required heat treatment

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