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ASTM A514 vs GOST 4543 12HN3A

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

ASTM A514 (ASTM A514) and GOST 4543 12HN3A (GOST 4543-2016) are both steel grades. Both fall under the Alloy Steel category. ASTM A514 is typically used for used for cranes, mining equipment, pressure vessels, bridges, heavy trucks, and structural fabrication., while GOST 4543 12HN3A is commonly used for used for gears, pinions, crankshafts, aircraft parts, and transmission components.. ASTM A514 is defined under ASTM International (United States).

As per chemical composition, ASTM A514 vs GOST 4543 12HN3A is a 62.3% match. As per mechanical properties, the match is 3.9%. Combined, this makes them a minimal match overall at 35%.

Frequently Compared With ASTM A514:
NF A35-565 100C6 UNI 11234 100Cr6 GB/T 3077 12Cr2Ni4A IS 4367 07Cr4Mo6 IS 1570 (Part 4) 07Cr4Mo6 IS 1570 (Part 4) 103Cr4 IS 1570 (Part 4) 105Cr5 IS 1570 (Part 4) 10Cr20Mo6 IS 4367 10Cr9Mo10 IS 1570 (Part 7) 10Cr36Mo10H IS 1570 (Part 4) 103Cr6 EN 10028-2 10CrMo9-10
Match Breakdown
CHEMISTRY MATCH
62.3%
MECHANICAL MATCH
3.9%
OVERALL
35%
Specifications
Property ASTM A514 GOST 4543 12HN3A
Standard ASTM A514 GOST 4543-2016
Category Alloy Steel Alloy Steel
C (%) 0.12-0.21 0.09-0.16
Mn (%) 0.70-1.60 0.3-0.6
Si (%) 0.15-0.40 0.17-0.37
Cr (%) 0.40-1.50 0.6-0.9
Mo (%) 0.15-0.60 Not specified
Ni (%) 0.40-1.00 2.75-3.15
P (%) 0.035 max Not specified
S (%) 0.035 max Not specified
Matched by chemical composition and mechanical properties, not a formal equivalence claim. Always verify against the applicable standard before substitution.
Mechanical Properties
Property ASTM A514 GOST 4543 12HN3A
Tensile Strength 760-895 MPa 850-1050 MPa
Yield Strength 690 MPa min 685 MPa min
Elongation 16-18% 11% min
Hardness 235-293 HB 58-62 HRC (case)
Typical Applications
ASTM A514
Used for cranes, mining equipment, pressure vessels, bridges, heavy trucks, and structural fabrication.
GOST 4543 12HN3A
Used for gears, pinions, crankshafts, aircraft parts, and transmission components.
Key Differences
Can ASTM A514 Be Substituted With GOST 4543 12HN3A?
ASTM A514 and GOST 4543 12HN3A 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
ASTM A514
Round Bar → (2 listings)
Diameter: 50–50 mm (1.97–1.97 in)
Length: 5800–6500 mm (228.35–255.91 in)
GOST 4543 12HN3A
Round Bar → (2 listings)
Diameter: 50–50 mm (1.97–1.97 in)
Length: 5600–6600 mm (220.47–259.84 in)
On M-EX Right Now
ASTM A514
2 active listings and RFQs →
GOST 4543 12HN3A
2 active listings and RFQs →
Frequently Asked Questions
What is the difference between ASTM A514 and GOST 4543 12HN3A?
ASTM A514 specifies Mo, P, S which are not specified for GOST 4543 12HN3A.
Can ASTM A514 be substituted with GOST 4543 12HN3A?
ASTM A514 and GOST 4543 12HN3A 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.