GB/T 1299 Cr12 vs AISI 52100

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

GB/T 1299 Cr12 (GB/T 1299-2014) and AISI 52100 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 AISI 52100 is commonly used for anti-friction bearings, ball screws, precision rollers. GB/T 1299 Cr12 is defined under Guobiao Standards (GB/T), originating from China, while AISI 52100 is defined under AISI, originating from United States.

As per chemical composition, GB/T 1299 Cr12 vs AISI 52100 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 DIN EN ISO 4957 1.2344 EN ISO 683-17 100Cr6 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 AISI 52100
Standard GB/T 1299-2014 AISI
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 1.35–1.60
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 AISI 52100
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 179–229 (annealed)
Typical Applications
GB/T 1299 Cr12
Cold forming dies, blanking dies
AISI 52100
Anti-friction bearings, ball screws, precision rollers
Key Differences
Can GB/T 1299 Cr12 Be Substituted With AISI 52100?
GB/T 1299 Cr12 and AISI 52100 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)
AISI 52100
Round Bar → (3 listings)
Diameter: 80–80 mm (3.15–3.15 in)
Length: 3000–3200 mm (118.11–125.98 in)
On M-EX Right Now
GB/T 1299 Cr12
2 active listings and RFQs →
AISI 52100
3 active listings and RFQs →
Frequently Asked Questions
What is the difference between GB/T 1299 Cr12 and AISI 52100?
AISI 52100 specifies S, P which are not specified for GB/T 1299 Cr12.
Can GB/T 1299 Cr12 be substituted with AISI 52100?
GB/T 1299 Cr12 and AISI 52100 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.