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GB/T 1299 CrWMn vs DIN EN ISO 4957 1.2379

Minimal Match — 35% match based on chemical composition and mechanical property overlap.

GB/T 1299 CrWMn (GB/T 1299-2014) and DIN EN ISO 4957 1.2379 (DIN EN ISO 4957:2018-11) 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 DIN EN ISO 4957 1.2379 is commonly used for blanking dies, forming dies, thread rolling dies, punches, shear blades, gauges, broaches, drawing dies. GB/T 1299 CrWMn is defined under Guobiao Standards (GB/T), originating from China, while DIN EN ISO 4957 1.2379 is defined under European Standard (EN), originating from Europe.

As per chemical composition, GB/T 1299 CrWMn vs DIN EN ISO 4957 1.2379 is a 52.8% match. As per mechanical properties, the match is 0%. Combined, this makes them a minimal match overall at 35%.

Frequently Compared With GB/T 1299 CrWMn:
GB/T 1299 4Cr5MoSiV EN ISO 683-17 100Cr6 GOST 5950 3H2W8F GOST 5950 4H5MFS AISI 52100 GOST 5950 4H5MFS1 EN ISO 4957 1.2316 DIN EN ISO 4957 1.2344 GB/T 1299 3Cr2W8V GB/T 1299 4Cr5MoSiV1
Other Tool & Die Steels Grades to Compare With GB/T 1299 CrWMn:
IS 3748 103T3 IS 1570 (Part 6) 103T3
Match Breakdown
CHEMISTRY MATCH
52.8%
MECHANICAL MATCH
0%
OVERALL
35%
Specifications
Property GB/T 1299 CrWMn DIN EN ISO 4957 1.2379
Standard GB/T 1299-2014 DIN EN ISO 4957:2018-11
Category Tool & Die Steels Tool & Die Steels
C (%) 0.90-1.05 1.50–1.60
Si (%) 0.15-0.35 0.10–0.40
Mn (%) 0.80-1.10 0.25–0.60
Cr (%) 0.50-0.80 11.00–13.00
W (%) 0.50-0.80 Not specified
P (%) 0.030 max ≤0.030
S (%) 0.030 max ≤0.030
Mo (%) Not specified 0.70–1.00
V (%) Not specified 0.80–1.10
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 CrWMn DIN EN ISO 4957 1.2379
Tensile Strength 900-1100 MPa Not specified
Yield Strength 700-900 MPa Not specified
Elongation 8-12% Not specified
Hardness 60-64 HRC Not specified
Hardness (annealed) Not specified ≤255 HB
Hardness (hardened) Not specified 58–62 HRC
Compressive Strength Not specified 2600 MPa
Typical Applications
GB/T 1299 CrWMn
Used for dies, thread rolling tools, punches, gauges, woodworking cutters, and measuring instruments.
DIN EN ISO 4957 1.2379
Blanking dies, forming dies, thread rolling dies, punches, shear blades, gauges, broaches, drawing dies
Key Differences
Can GB/T 1299 CrWMn Be Substituted With DIN EN ISO 4957 1.2379?
GB/T 1299 CrWMn and DIN EN ISO 4957 1.2379 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 CrWMn
Round Bar → (2 listings)
Diameter: 80–80 mm (3.15–3.15 in)
Length: 3500–4000 mm (137.8–157.48 in)
DIN EN ISO 4957 1.2379
Round Bar → (2 listings)
Diameter: 80–80 mm (3.15–3.15 in)
Length: 2800–3300 mm (110.24–129.92 in)
On M-EX Right Now
GB/T 1299 CrWMn
2 active listings and RFQs →
DIN EN ISO 4957 1.2379
2 active listings and RFQs →
Frequently Asked Questions
What is the difference between GB/T 1299 CrWMn and DIN EN ISO 4957 1.2379?
GB/T 1299 CrWMn specifies W which is not specified for DIN EN ISO 4957 1.2379. DIN EN ISO 4957 1.2379 specifies Mo, V which are not specified for GB/T 1299 CrWMn.
Can GB/T 1299 CrWMn be substituted with DIN EN ISO 4957 1.2379?
GB/T 1299 CrWMn and DIN EN ISO 4957 1.2379 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.