• HIGH SPEED STEEL - T1 / 1.3355 / SKH2 / W18CR4V / P18
  • HIGH SPEED STEEL - T1 / 1.3355 / SKH2 / W18CR4V / P18
 
  • T1 / 1.3355 / SKH2 / W18CR4V / P18
  • T1 / 1.3355 / SKH2 / W18CR4V / P18

HIGH SPEED STEEL
T1 / 1.3355 / SKH2 / W18CR4V / P18

T1 steel Mechanical Properties:

the hardness of delivery :( other processing methods) ≤269HB; (annealing) ≤255HB. Sample heat treatment and quenching and tempering hardness: ≥63HRC.

T1 High speed steel Chemical Composition:

C Si Mn P S Cr W
0.65-0.80 0.2-0.4 0.1-0.4 ≤ 0.030 ≤ 0.030 3.75-4.50 17.5-18.25

  • Introduction

  • Heat Treatment

  • Applications

  • Equivalent Grade

  • ASTM T1 steel introduction:

    It is the most widely used general-purpose high-speed tungsten steel, high hardness, red hardness and high temperature hardness, easy grinding.

  • Heat treatment specifications:

    quenching, 820 ~ 870 ℃ heat, 1270 ~ 1285 ℃ (salt bath) or 1270 ~ 1285 ℃ (box furnace) heating, oil cooling, 550 ~ 570 ℃ tempering 2 times, each time 1h.

    HARDENING:

    Delivery status and annealed hardness, hardness 255 HBS; cold-drawn, hardness 269HBS; cold-drawn state, annealed hardness 262HBS.

    TEMPERING:

    Quenching and tempering standard preheating temperature 815 ~ 870 ℃, quenching salt bath furnace temperature 1175 ℃, controlled atmosphere furnace 1288 ℃, tempering temperature of 550 ℃, after tempering hardness ≥63HRC.

  • T1 High speed steel Applications:

    Suitable for working temperature below 600 ℃ can still maintain a cutting tool, such as car, plane, milling, reamers, broaches, drills, all kinds of gear cutting tools and tap, die, etc., suitable for processing soft or medium hardness (300 ~ 320HB or less) of the material, and production of high temperature resistant mechanical parts.

  • T1 High speed steel Equivalent Grade:

    DIN JIS GOST GB
    1.3355 SKH2 Р18 W18CR4V

HOT STEEL

Huangshi Baoyi Materical Co., ltd.

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