Carbon tool steel U8A, У8А, C80W1, 1.1525, AISI W1 according to ISO 4957, DIN 17350.

Standards Steel Grade
Chemical Composition %
C: Si: Mn: P: S: Cr: Ni: Cu:
PN N8E
0.75-0.84 0.15-0.3 0.15-0.3 <0.025 <0.025 <0.15 <0.2 <0.2
PN N8
0.75-0.84 0.15-0.35 0.15-0.35 <0.030 <0.030 <0.2 <0.25 <0.25
GOST U8A - У8А
0.75-0.84 0.15-0.33 0.15-0.28 <0.025 <0.018 <0.12 <0.12 <0.2
DIN C80W1 - 1.1525
0.75-0.85 0.1-0.3 0.1-0.4 <0.020 <0.020 - - -
DIN C80W2 - 1.1625
0.75-0.85 0.1-0.3 0.1-0.35 <0.030 <0.030 - - -
ISO C80U
0.75-0.85 0.1-0.3 0.1-0.4 <0.030 <0.030 - - -
ASTM AISI W1 - UNS T72301
0.7-0.85 0.1-0.4 0.1-0.4 <0.025 <0.025 <0.15 <0.2 <0.2
STAS OSC8
0.75-0.84 0.15-0.35 0.10-0.35 <0.030 <0.025 <0.2 <0.25 <0.25
UNE F-513
0.7-0.8 0.10-0.25 0.25-0.60 <0.030 <0.030 - - -

Steel U8A, C80W1, C80W2, AISI W1 – description

High impact resistant steel. Can not be used for drills.

 

Main features:

  • High impact resistance
  • Hard material
  • Insufficient grinding resistance

Application

This alloy is widely used for:

  • Die block
  • Chisels
  • Punches
  • Cutters
  • Wood band saw blades
  • Pneumatic chisels

Physical properties

Hardness is the most important feature.

Norm Grade Heat-treated hardness [max HB] After quenching hardness [min HRC]
ISO TC80 192 -
GOST Y8A 187 62
GOST U8A 187 62
Werkstoffblatt C80W1 190 64
ANSI W1-71/2 202 64
NF Y80 - 62
SEW 43952 187 61

Other properties:

  • Density: 7.81g/cm3

Heat treatment and plastic working

Following parameters are recommended for working and heat treatment

Working and heat treatment guidelines: Forging at 850-1050 ° C. Softening at 680-710 ° C. Stress relief at 600-700 ° C. Hardening at 770-790 ° C. Tempering at 180-300 ° C.


Welding

Tool steel of this kind is not easy to weld, thus welding should be considered only for repairs.

Following coated electrodes can be used: EN 280 MoB, EN 350 B, EN 450 B, EN 600 B, ENS 50 B, ENS 15CrB, ENS 18 WB.

We deliver this steel alloy as:

  • Bas, strips and reels
  • Cold-rolled tool and spring steel strip
  • Uniwersal hot-rolled wide strips

Replacements, equivalents and other designations:

W-1, T72301, F-513, OSC8, N8, S82, C80W2, C80W1, C80U, U8A, N8E, TC80, 43952, 19152, Y8A


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