GB/T 1299 9CrWMn Steel — Specifications & Listings

GB/T 1299

9CrWMn is a cold work tool steel with good wear resistance and dimensional stability after heat treatment. The grade offers balanced hardness and toughness for precision tooling applications.

Category: Tool Steel

Grade Details

Grade	GB/T 1299 9CrWMn
Standard	GB/T 1299
Description	9CrWMn is a cold work tool steel with good wear resistance and dimensional stability after heat treatment. The grade offers balanced hardness and toughness for precision tooling applications.
Applications	Used for gauges, reamers, punches, dies, measuring tools, and cold cutting blades.

Chemical Composition (%)

C	Si	Mn	Cr	W	P	S
0.85-0.95	0.10-0.40	0.90-1.20	0.50-0.80	0.50-0.80	0.030 max	0.030 max

Mechanical Properties

tensile_strength	850-1050 MPa
yield_strength	650-850 MPa
elongation	8-12%
hardness	58-64 HRC

Active GB/T 1299 9CrWMn Listings on M-EX

No active GB/T 1299 9CrWMn listings at this time.