Post Stock Login Register

EN ISO 4957 90MnCrV8 vs GB/T 1299 4Cr5MoSiV

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

EN ISO 4957 90MnCrV8 (EN ISO 4957:2018) and GB/T 1299 4Cr5MoSiV (GB/T 1299-2014) are both steel grades. Both fall under the Tool & Die Steels category. EN ISO 4957 90MnCrV8 is typically used for taps, drills, reamers, gauges, punches, while GB/T 1299 4Cr5MoSiV is commonly used for die casting dies, extrusion tooling. EN ISO 4957 90MnCrV8 is defined under European Standard (EN), originating from Europe, while GB/T 1299 4Cr5MoSiV is defined under Guobiao Standards (GB/T), originating from China.

As per chemical composition, EN ISO 4957 90MnCrV8 vs GB/T 1299 4Cr5MoSiV is a 59.5% match. As per mechanical properties, the match is 0%. Combined, this makes them a minimal match overall at 35%.

Frequently Compared With EN ISO 4957 90MnCrV8:
DIN EN ISO 4957 1.2379 AISI 52100 EN ISO 683-17 100Cr6 EN ISO 4957 1.2316 IS 1570 (Part 6) 133T3 DIN EN ISO 4957 1.2344 GOST 5950 4H5MFS IS 1570 (Part 6) 103T3 GB/T 1299 3Cr2W8V IS 1570 (Part 6) 118T3 IS 3748 103T3 IS 3748 118T3
Match Breakdown
CHEMISTRY MATCH
59.5%
MECHANICAL MATCH
0%
OVERALL
35%
Specifications
Property EN ISO 4957 90MnCrV8 GB/T 1299 4Cr5MoSiV
Standard EN ISO 4957:2018 GB/T 1299-2014
Category Tool & Die Steels Tool & Die Steels
C (%) 0.85–0.95 0.32–0.45
Mn (%) 1.80–2.20 0.20–0.50
Cr (%) 0.20–0.50 4.75–5.50
V (%) 0.05–0.15 0.30–0.60
Si (%) ≤0.30 0.80–1.20
Mo (%) Not specified 1.10–1.60
Matched by chemical composition and mechanical properties, not a formal equivalence claim. Always verify against the applicable standard before substitution.
Mechanical Properties
Property EN ISO 4957 90MnCrV8 GB/T 1299 4Cr5MoSiV
Hardness HRC (hardened) 60–64 40–54
Hardness HB (annealed) ≤217 ≤235
Wear Resistance Good Not specified
Typical Applications
EN ISO 4957 90MnCrV8
Taps, drills, reamers, gauges, punches
GB/T 1299 4Cr5MoSiV
Die casting dies, extrusion tooling
Key Differences
Can EN ISO 4957 90MnCrV8 Be Substituted With GB/T 1299 4Cr5MoSiV?
EN ISO 4957 90MnCrV8 and GB/T 1299 4Cr5MoSiV 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
EN ISO 4957 90MnCrV8
Round Bar → (3 listings)
Diameter: 80–80 mm (3.15–3.15 in)
Length: 3100–3600 mm (122.05–141.73 in)
GB/T 1299 4Cr5MoSiV
Round Bar → (2 listings)
Diameter: 80–80 mm (3.15–3.15 in)
Length: 2500–2700 mm (98.43–106.3 in)
On M-EX Right Now
EN ISO 4957 90MnCrV8
3 active listings and RFQs →
GB/T 1299 4Cr5MoSiV
2 active listings and RFQs →
Frequently Asked Questions
What is the difference between EN ISO 4957 90MnCrV8 and GB/T 1299 4Cr5MoSiV?
GB/T 1299 4Cr5MoSiV specifies Mo which is not specified for EN ISO 4957 90MnCrV8.
Can EN ISO 4957 90MnCrV8 be substituted with GB/T 1299 4Cr5MoSiV?
EN ISO 4957 90MnCrV8 and GB/T 1299 4Cr5MoSiV 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.