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GB/T 1299 9CrWMn vs DIN EN ISO 4957 1.2344

Minimal Match — 32.8% match based on chemical composition and mechanical property overlap.

GB/T 1299 9CrWMn (GB/T 1299-2014) and DIN EN ISO 4957 1.2344 (DIN EN ISO 4957:2018-11) are both steel grades. Both fall under the Tool & Die Steels category. GB/T 1299 9CrWMn is typically used for used for gauges, reamers, punches, dies, measuring tools, and cold cutting blades., while DIN EN ISO 4957 1.2344 is commonly used for die casting dies, extrusion dies, forging dies, hot shear blades, mandrels, pressure die casting tooling. GB/T 1299 9CrWMn is defined under Guobiao Standards (GB/T), originating from China, while DIN EN ISO 4957 1.2344 is defined under European Standard (EN), originating from Europe.

As per chemical composition, GB/T 1299 9CrWMn vs DIN EN ISO 4957 1.2344 is a 49.2% match. As per mechanical properties, the match is 0%. Combined, this makes them a minimal match overall at 32.8%.

Frequently Compared With GB/T 1299 9CrWMn:
EN ISO 683-17 100Cr6 GB/T 1299 4Cr5MoSiV1 EN ISO 4957 1.2316 GOST 5950 3H2W8F GB/T 1299 3Cr2W8V AISI 52100 GOST 5950 4H5MFS GOST 5950 4H5MFS1 DIN EN ISO 4957 1.2379 GB/T 1299 4Cr5MoSiV IS 1570 (Part 6) 103T3
Other Tool & Die Steels Grades to Compare With GB/T 1299 9CrWMn:
IS 3748 103T3
Match Breakdown
CHEMISTRY MATCH
49.2%
MECHANICAL MATCH
0%
OVERALL
32.8%
Specifications
Property GB/T 1299 9CrWMn DIN EN ISO 4957 1.2344
Standard GB/T 1299-2014 DIN EN ISO 4957:2018-11
Category Tool & Die Steels Tool & Die Steels
C (%) 0.85-0.95 0.37–0.43
Si (%) 0.10-0.40 0.90–1.20
Mn (%) 0.90-1.20 0.30–0.50
Cr (%) 0.50-0.80 4.80–5.50
W (%) 0.50-0.80 Not specified
P (%) 0.030 max ≤0.030
S (%) 0.030 max ≤0.030
Mo (%) Not specified 1.20–1.50
V (%) Not specified 0.90–1.10
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 9CrWMn DIN EN ISO 4957 1.2344
Tensile Strength 850-1050 MPa 1200–1600 MPa
Yield Strength 650-850 MPa Not specified
Elongation 8-12% ≥8%
Hardness 58-64 HRC Not specified
Hardness (annealed) Not specified ≤229 HB
Hardness (hardened) Not specified 44–52 HRC
Typical Applications
GB/T 1299 9CrWMn
Used for gauges, reamers, punches, dies, measuring tools, and cold cutting blades.
DIN EN ISO 4957 1.2344
Die casting dies, extrusion dies, forging dies, hot shear blades, mandrels, pressure die casting tooling
Key Differences
Can GB/T 1299 9CrWMn Be Substituted With DIN EN ISO 4957 1.2344?
GB/T 1299 9CrWMn and DIN EN ISO 4957 1.2344 share some compositional similarity but differ enough that substitution should not be assumed. Review the differences above carefully, and consult the applicable standard or a metallurgist before using one in place of the other.
Forms & Sizes Available on M-EX
GB/T 1299 9CrWMn
Round Bar → (2 listings)
Diameter: 80–80 mm (3.15–3.15 in)
Length: 2600–3000 mm (102.36–118.11 in)
DIN EN ISO 4957 1.2344
Round Bar → (2 listings)
Diameter: 80–80 mm (3.15–3.15 in)
Length: 3000–3700 mm (118.11–145.67 in)
On M-EX Right Now
GB/T 1299 9CrWMn
2 active listings and RFQs →
DIN EN ISO 4957 1.2344
2 active listings and RFQs →
Frequently Asked Questions
What is the difference between GB/T 1299 9CrWMn and DIN EN ISO 4957 1.2344?
GB/T 1299 9CrWMn specifies W which is not specified for DIN EN ISO 4957 1.2344. DIN EN ISO 4957 1.2344 specifies Mo, V which are not specified for GB/T 1299 9CrWMn.
Can GB/T 1299 9CrWMn be substituted with DIN EN ISO 4957 1.2344?
GB/T 1299 9CrWMn and DIN EN ISO 4957 1.2344 share some compositional similarity but differ enough that substitution should not be assumed. Review the differences above carefully, and consult the applicable standard or a metallurgist before using one in place of the other.