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GB/T 1299 Cr12 vs EN ISO 683-17 100Cr6

Minimal Match — 48.6% match based on chemical composition and mechanical property overlap.

GB/T 1299 Cr12 (GB/T 1299-2014) and EN ISO 683-17 100Cr6 (EN ISO 683-17:2014) are both steel grades. Both fall under the Tool & Die Steels category. GB/T 1299 Cr12 is typically used for cold forming dies, blanking dies, while EN ISO 683-17 100Cr6 is commonly used for rolling element bearings, precision components, cold work tooling. GB/T 1299 Cr12 is defined under Guobiao Standards (GB/T), originating from China, while EN ISO 683-17 100Cr6 is defined under European Standard (EN), originating from Europe.

As per chemical composition, GB/T 1299 Cr12 vs EN ISO 683-17 100Cr6 is a 73% match. As per mechanical properties, the match is 0%. Combined, this makes them a minimal match overall at 48.6%.

Frequently Compared With GB/T 1299 Cr12:
GOST 5950 4H5MFS1 AISI 52100 DIN EN ISO 4957 1.2344 EN ISO 4957 1.2316 GB/T 1299 4Cr5MoSiV1 DIN EN ISO 4957 1.2379 GB/T 1299 3Cr2W8V GB/T 1299 4Cr5MoSiV GOST 5950 4H5MFS GOST 5950 3H2W8F IS 1570 (Part 6) 103T3 IS 1570 (Part 6) 118T3
Match Breakdown
CHEMISTRY MATCH
73%
MECHANICAL MATCH
0%
OVERALL
48.6%
Specifications
Property GB/T 1299 Cr12 EN ISO 683-17 100Cr6
Standard GB/T 1299-2014 EN ISO 683-17:2014
Category Tool & Die Steels Tool & Die Steels
C (%) 2.00–2.30 0.93–1.05
Si (%) ≤0.40 0.15–0.35
Mn (%) ≤0.40 0.25–0.45
Cr (%) 11.50–13.00 1.35–1.65
S (%) Not specified ≤0.025
P (%) Not specified ≤0.025
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 Cr12 EN ISO 683-17 100Cr6
Hardness HRC (hardened) 60–64 Not specified
Hardness HB (annealed) ≤255 Not specified
Tensile Strength Not specified ≥620 MPa (annealed)
Hardness HRC Not specified 60–66 (hardened)
Hardness HB Not specified 179–217 (annealed)
Typical Applications
GB/T 1299 Cr12
Cold forming dies, blanking dies
EN ISO 683-17 100Cr6
Rolling element bearings, precision components, cold work tooling
Key Differences
Can GB/T 1299 Cr12 Be Substituted With EN ISO 683-17 100Cr6?
GB/T 1299 Cr12 and EN ISO 683-17 100Cr6 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 Cr12
Round Bar → (2 listings)
Diameter: 80–80 mm (3.15–3.15 in)
Length: 3000–3400 mm (118.11–133.86 in)
EN ISO 683-17 100Cr6
Round Bar → (18 listings)
Diameter: 80–80 mm (3.15–3.15 in)
Length: 3000–6500 mm (118.11–255.91 in)
On M-EX Right Now
GB/T 1299 Cr12
2 active listings and RFQs →
EN ISO 683-17 100Cr6
18 active listings and RFQs →
Frequently Asked Questions
What is the difference between GB/T 1299 Cr12 and EN ISO 683-17 100Cr6?
EN ISO 683-17 100Cr6 specifies S, P which are not specified for GB/T 1299 Cr12.
Can GB/T 1299 Cr12 be substituted with EN ISO 683-17 100Cr6?
GB/T 1299 Cr12 and EN ISO 683-17 100Cr6 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.