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Tool Steel Properties

WATER HARDENING TOOL STEEL

  • SAE Steel
    Designation
  • Non-Deforming
    Properties
  • Saftey in
    Hardening
  • Depth of
    Hardening (a)
  • Toughness
  • Resistence
    of Softening
    Effect of Heat
  • Wear
    Resistance
  • Machinability
W108 Poor Fair Shallow Good (b) Poor Fair Best
W109 Poor Fair Shallow Good (b) Poor Fair Best
W110 Poor Fair Shallow Good (b) Poor Good Best
W112 Poor Fair Shallow Good (b) Poor Good Best
W209 Poor Fair Shallow Good Poor Fair Best
W210 Poor Fair Shallow Good Poor Good Best
W310 Poor Fair Shallow Good Poor Good Best

Shock Resisting TOOL STEEL

  • SAE Steel
    Designation
  • Non-Deforming
    Properties
  • Saftey in
    Hardening
  • Depth of
    Hardening (a)
  • Toughness
  • Resistence
    of Softening
    Effect of Heat
  • Wear
    Resistance
  • Machinability
S1 Chrome
Tungsten		 Fair Good Medium Good Fair Fair Fair
S2 Silicon
Molybdenum		 W Poor (c) W Poor (c) Medium Best Fair Fair Good
S5 Silicon
Manganese		 W Poor (c) W Poor (c) Medium Best Fair Fair Fair

OIL HARDENING TYPES

  • SAE Steel
    Designation
  • Non-Deforming
    Properties
  • Saftey in
    Hardening
  • Depth of
    Hardening (a)
  • Toughness
  • Resistence
    of Softening
    Effect of Heat
  • Wear
    Resistance
  • Machinability
O1 Low
Manganese		 Good Good Medium Fair Poor Good Good
02 High
Manganese		 Good Good Medium Fair Poor Good Good
06 Molybdenum
Graphitic		 Fair Good Medium Fair Poor Good Best

MEDIUM ALLOY AIR HARDENING TYPES

  • SAE Steel
    Designation
  • Non-Deforming
    Properties
  • Saftey in
    Hardening
  • Depth of
    Hardening (a)
  • Toughness
  • Resistence
    of Softening
    Effect of Heat
  • Wear
    Resistance
  • Machinability
A2-5% Chrome
Air Hard		 Best Best Deep Fair Fair Good Fair

High Carbon - High Chorme Types

  • SAE Steel
    Designation
  • Non-Deforming
    Properties
  • Saftey in
    Hardening
  • Depth of
    Hardening (a)
  • Toughness
  • Resistence
    of Softening
    Effect of Heat
  • Wear
    Resistance
  • Machinability
D2-HIGH CARBON- HIGH CHROME (AIR) Best Best Deep Fair Fair Best Poor
D3-HIGH CARBON- HIGH CHROME (OIL) Good Good Deep Poor Fair Best Poor
D5-HIGH CARBON- HIGH CHROME COLBALT Best Best Deep Fair Fair Best Poor
D7- HIGH CARBON- HIGH CHROME HIGH VANADIUM Best Best Deep Poor Fair Best Poor

CHROME BASE TYPES

  • SAE Steel
    Designation
  • Non-Deforming
    Properties
  • Saftey in
    Hardening
  • Depth of
    Hardening (a)
  • Toughness
  • Resistence
    of Softening
    Effect of Heat
  • Wear
    Resistance
  • Machinability
H11 CHROME MOLYBDENUM V Good Good Deep Good Good Fair Fair
H12 CHROME MOLYBDENUM Good Good Deep Good Good Fair Fair
H13 CHROME MOLYBDENUM VV Good Good Deep Good Good Fair Fair

TUNGSTEN BASE TYPES

  • SAE Steel
    Designation
  • Non-Deforming
    Properties
  • Saftey in
    Hardening
  • Depth of
    Hardening (a)
  • Toughness
  • Resistence
    of Softening
    Effect of Heat
  • Wear
    Resistance
  • Machinability
H21 TUNGSTEN Good Good Deep Good Good Fair Fair

TUNGSTEN BASE TYPES 2

  • SAE Steel
    Designation
  • Non-Deforming
    Properties
  • Saftey in
    Hardening
  • Depth of
    Hardening (a)
  • Toughness
  • Resistence
    of Softening
    Effect of Heat
  • Wear
    Resistance
  • Machinability
T1 TUNGSTEN 18-4-1 Good Good Deep Poor Good Good Fair
T2 TUNGSTEN 18-4-2 Good Good Deep Poor Good Good Fair
T4 COBALT TUNGSTEN 18-4-1-5 Good Fair Deep Poor Best Good Fair
T5 COBALT TUNGSTEN 18-4-2-8 Good Fair Deep Poor Best Good Fair
T8 COBALT TUNGSTEN 18-4-2-5 Good Fair Deep Poor Best Good Fair

Molybdenum Base Types

  • SAE Steel
    Designation
  • Non-Deforming
    Properties
  • Saftey in
    Hardening
  • Depth of
    Hardening (a)
  • Toughness
  • Resistence
    of Softening
    Effect of Heat
  • Wear
    Resistance
  • Machinability
M1 MOLYBDENUM 8-2-1 Good Fair Deep Poor Good Good Fair
M2 MOLYBDENUM TUNGSTEN 6-6-2 Good Fair Deep Poor Good Good Fair
M3 MOLYBDENUM TUNGSTEN 6-6-3 Good Fair Deep Poor Good Best Fair
M4 MOLYBDENUM TUNGSTEN 6-6-4 Good Fair Deep Poor Good Best Fair

LOW ALLOY TYPES

  • SAE Steel
    Designation
  • Non-Deforming
    Properties
  • Saftey in
    Hardening
  • Depth of
    Hardening (a)
  • Toughness
  • Resistence
    of Softening
    Effect of Heat
  • Wear
    Resistance
  • Machinability
L6 NICKEL CHROME Fair Good Medium Fair Poor Fair Fair
L7 CHROME Fair Good Medium Fair Poor Good Fair