High quality special steel supplier.Old rev.
  • Certified Company

    DNV&ABS
  • Certified Company

    ISO 9001:2008
  • R&D Production

    In China

W109 Special


W109 Special material is SAE SAE J 437 (1970) Selection and heat treatment of tool and die steels SAE SAE J 438 (1970) Tool and die steels Tool and die steels.

Chemical composition of W109 Special, W109 Special mechanical properties, W109 Special datasheet, W109 Special equivalent grade, Heat treatment and temperature process of W109 Special.


W109 Special property sheet

W109 Special Spec.

SAE SAE J 437 (1970)
Selection and heat treatment of tool and die steels
SAE SAE J 438 (1970)
Tool and die steels

Chemical Composition of W109 Special

C: 0.85 0.95
Si: 0.10 0.40
Mn: 0.10 0.40
Cr: Max Min
V: Max Min

Mechanical Properties of W109 Special

Rp0.2 (MPa) 431 (≥)
Rm (MPa) 296 (≥)
AKV (J) 23
A (%) 13
Z (%) 31
Hardness HBW 221

W109 Special shape and dimensions

W109 Special Round bar: 1mm-800mm
W109 Special Square bar: 10mm * 10mm-600mm *600mm
W109 Special Flat bar: Thickness:8mm-800mm Width:10mm to 1500mm
W109 Special Sheet or Plate: Thickness:3mm-80mm Width:1.5mm to 1500mm
W109 Special Strip or Coil: Thickness:0.1mm-3mm Width:1.5mm-1500mm
W109 Special Forgings: Shafts with flanks/pipes/tubes/slugs/donuts/cubes/other shapes