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GB/T 1299 4Cr5MoSiV1 vs DIN EN ISO 4957 1.2344

Related Material — 57% match based on chemical composition and mechanical property overlap.

GB/T 1299 4Cr5MoSiV1 (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 4Cr5MoSiV1 is typically used for die casting dies, forging dies, extrusion tools, 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 4Cr5MoSiV1 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 4Cr5MoSiV1 vs DIN EN ISO 4957 1.2344 is a 85.6% match. As per mechanical properties, the match is 0%. Combined, this makes them a related material overall at 57%.

Frequently Compared With GB/T 1299 4Cr5MoSiV1:
GB/T 1299 4Cr5MoSiV GOST 5950 4H5MFS EN ISO 683-17 100Cr6 GOST 5950 4H5MFS1 AISI 52100 IS 1570 (Part 6) 70T3 IS 1570 (Part 6) 103T3 IS 3748 103T3 EN ISO 4957 1.2316 IS 1570 (Part 6) 133T3 IS 1570 (Part 6) 50T8 IS 1570 (Part 6) 55T8
Match Breakdown
CHEMISTRY MATCH
85.6%
MECHANICAL MATCH
0%
OVERALL
57%
Specifications
Property GB/T 1299 4Cr5MoSiV1 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 (%) 0.32–0.45 0.37–0.43
Si (%) 0.80–1.20 0.90–1.20
Mn (%) 0.20–0.50 0.30–0.50
Cr (%) 4.75–5.50 4.80–5.50
Mo (%) 1.20–1.75 1.20–1.50
V (%) 0.80–1.20 0.90–1.10
S (%) Not specified ≤0.030
P (%) Not specified ≤0.030
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 4Cr5MoSiV1 DIN EN ISO 4957 1.2344
Hardness HRC (hardened) 42–54 Not specified
Hardness HB (annealed) ≤235 Not specified
Hardness (annealed) Not specified ≤229 HB
Hardness (hardened) Not specified 44–52 HRC
Tensile Strength Not specified 1200–1600 MPa
Elongation Not specified ≥8%
Typical Applications
GB/T 1299 4Cr5MoSiV1
Die casting dies, forging dies, extrusion tools
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 4Cr5MoSiV1 Be Substituted With DIN EN ISO 4957 1.2344?
GB/T 1299 4Cr5MoSiV1 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 4Cr5MoSiV1
Round Bar → (2 listings)
Diameter: 80–80 mm (3.15–3.15 in)
Length: 2700–4100 mm (106.3–161.42 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 4Cr5MoSiV1
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 4Cr5MoSiV1 and DIN EN ISO 4957 1.2344?
DIN EN ISO 4957 1.2344 specifies S, P which are not specified for GB/T 1299 4Cr5MoSiV1.
Can GB/T 1299 4Cr5MoSiV1 be substituted with DIN EN ISO 4957 1.2344?
GB/T 1299 4Cr5MoSiV1 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.