Close Alternative — 83.5% match
based on chemical composition and mechanical property overlap.
GB/T 1299 CrWMn (GB/T 1299-2014) and GB/T 1299 9CrWMn (GB/T 1299-2014) are both steel grades.
Both fall under the Tool & Die Steels category.
GB/T 1299 CrWMn is typically used for used for dies, thread rolling tools, punches, gauges, woodworking cutters, and measuring instruments., while GB/T 1299 9CrWMn is commonly used for used for gauges, reamers, punches, dies, measuring tools, and cold cutting blades..
GB/T 1299 CrWMn is defined under Guobiao Standards (GB/T), originating from China, while GB/T 1299 9CrWMn is defined under Guobiao Standards (GB/T), originating from China.
As per chemical composition, GB/T 1299 CrWMn vs GB/T 1299 9CrWMn is a 89.4% match.
As per mechanical properties, the match is 71.7%.
Combined, this makes them a close alternative overall at 83.5%.
Matched by chemical composition and mechanical properties, not a formal equivalence claim. Always verify against the applicable standard before substitution.
Mechanical Properties
Property
GB/T 1299 CrWMn
GB/T 1299 9CrWMn
Tensile Strength
900-1100 MPa
850-1050 MPa
Yield Strength
700-900 MPa
650-850 MPa
Elongation
8-12%
8-12%
Hardness
60-64 HRC
58-64 HRC
Typical Applications
GB/T 1299 CrWMn
Used for dies, thread rolling tools, punches, gauges, woodworking cutters, and measuring instruments.
GB/T 1299 9CrWMn
Used for gauges, reamers, punches, dies, measuring tools, and cold cutting blades.
Can GB/T 1299 CrWMn Be Substituted With GB/T 1299 9CrWMn?
GB/T 1299 CrWMn and GB/T 1299 9CrWMn are a close alternative rather than a direct substitute. Some properties overlap well, but check the specific chemistry and mechanical rows above against your application's requirements before treating them as interchangeable.
What is the difference between GB/T 1299 CrWMn and GB/T 1299 9CrWMn?
Both grades share a similar composition profile; see the specification table above for the exact chemistry and mechanical property values.
Can GB/T 1299 CrWMn be substituted with GB/T 1299 9CrWMn?
GB/T 1299 CrWMn and GB/T 1299 9CrWMn are a close alternative rather than a direct substitute. Some properties overlap well, but check the specific chemistry and mechanical rows above against your application's requirements before treating them as interchangeable.