Post Stock Login Register

GOST 4543 40HFA vs IS 1570 (Part 4) 105Cr5

Related Material — 69.9% match based on chemical composition and mechanical property overlap.

GOST 4543 40HFA (GOST 4543-2016) and IS 1570 (Part 4) 105Cr5 (IS 1570 (Part 4):1988) are both steel grades. Both fall under the Alloy Steel category. IS 1570 (Part 4) 105Cr5 is defined under Bureau of Indian Standards (IS) (India).

As per chemical composition, GOST 4543 40HFA vs IS 1570 (Part 4) 105Cr5 is a 74.9% match. Mechanical property data is not available for both grades, so this factor could not be scored. Combined, this makes them a related material overall at 69.9%.

Frequently Compared With GOST 4543 40HFA:
NF A35-565 100C6 UNI 11234 100Cr6 GOST 4543 12HN3A GB/T 3077 12Cr2Ni4A IS 4367 07Cr4Mo6 IS 1570 (Part 4) 103Cr4 IS 1570 (Part 4) 103Cr6 IS 1570 (Part 4) 07Cr4Mo6 IS 1570 (Part 4) 10Cr20Mo6 IS 1570 (Part 7) 10Cr36Mo10H IS 4367 10Cr9Mo10 EN 10028-2 10CrMo9-10
Match Breakdown
CHEMISTRY MATCH
74.9%
MECHANICAL MATCH
No shared data
OVERALL
69.9%
Specifications
Property GOST 4543 40HFA IS 1570 (Part 4) 105Cr5
Standard GOST 4543-2016 IS 1570 (Part 4):1988
Category Alloy Steel Alloy Steel
C (%) 0.37-0.44 0.90-1.20
Cr (%) 0.8-1.1 1.00-1.60
V (%) 0.1-0.2 Not specified
Mn (%) 0.5-0.8 0.40-0.80
Si (%) 0.17-0.37 0.10-0.35
Matched by chemical composition and mechanical properties, not a formal equivalence claim. Always verify against the applicable standard before substitution.
Mechanical Properties
Property GOST 4543 40HFA IS 1570 (Part 4) 105Cr5
Tensile Strength 950-1150 MPa Not specified
Yield Strength 785 MPa min Not specified
Elongation 11% min Not specified
Hardness 269-331 HB Not specified
Typical Applications
GOST 4543 40HFA
Used for springs, shafts, gears, fasteners, and aircraft structural components.
IS 1570 (Part 4) 105Cr5
Not documented
Key Differences
Can GOST 4543 40HFA Be Substituted With IS 1570 (Part 4) 105Cr5?
GOST 4543 40HFA and IS 1570 (Part 4) 105Cr5 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
GOST 4543 40HFA
Round Bar → (2 listings)
Diameter: 50–50 mm (1.97–1.97 in)
Length: 6500–6600 mm (255.91–259.84 in)
IS 1570 (Part 4) 105Cr5
No active listings currently.
On M-EX Right Now
GOST 4543 40HFA
2 active listings and RFQs →
IS 1570 (Part 4) 105Cr5
0 active listings and RFQs →
Frequently Asked Questions
What is the difference between GOST 4543 40HFA and IS 1570 (Part 4) 105Cr5?
GOST 4543 40HFA specifies V which is not specified for IS 1570 (Part 4) 105Cr5.
Can GOST 4543 40HFA be substituted with IS 1570 (Part 4) 105Cr5?
GOST 4543 40HFA and IS 1570 (Part 4) 105Cr5 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.