Post Stock Login Register

NF A35-552 34NCD6 vs IS 1570 (Part 4) 103Cr4

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

NF A35-552 34NCD6 (NF A35-552:1986) and IS 1570 (Part 4) 103Cr4 (IS 1570 (Part 4):1988) are both steel grades. Both fall under the Alloy Steel category. NF A35-552 34NCD6 is defined under Association Francaise de Normalisation (NF), originating from France, while IS 1570 (Part 4) 103Cr4 is defined under Bureau of Indian Standards (IS), originating from India.

As per chemical composition, NF A35-552 34NCD6 vs IS 1570 (Part 4) 103Cr4 is a 56.4% match. Mechanical property data is not available for both grades, so this factor could not be scored. Combined, this makes them a minimal match overall at 35%.

Frequently Compared With NF A35-552 34NCD6:
UNI 11234 100Cr6 NF A35-565 100C6 GOST 4543 12HN3A GB/T 3077 12Cr2Ni4A IS 1570 (Part 4) 07Cr4Mo6 IS 4367 07Cr4Mo6 IS 1570 (Part 4) 10Cr20Mo6 IS 1570 (Part 4) 103Cr6 IS 1570 (Part 4) 105Cr5 IS 1570 (Part 7) 10Cr36Mo10H IS 4367 10Cr9Mo10 EN 10028-2 10CrMo9-10
Match Breakdown
CHEMISTRY MATCH
56.4%
MECHANICAL MATCH
No shared data
OVERALL
35%
Specifications
Property NF A35-552 34NCD6 IS 1570 (Part 4) 103Cr4
Standard NF A35-552:1986 IS 1570 (Part 4):1988
Category Alloy Steel Alloy Steel
C (%) 0.30-0.38 0.95-1.10
Si (%) 0.15-0.40 0.10-0.35
Mn (%) 0.50-0.80 0.25-0.45
Ni (%) 1.30-1.70 Not specified
Cr (%) 1.30-1.70 0.90-1.20
Mo (%) 0.15-0.30 Not specified
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 NF A35-552 34NCD6 IS 1570 (Part 4) 103Cr4
Tensile Strength 900-1100 MPa Not specified
Yield Strength 700-850 MPa Not specified
Elongation 10-14% Not specified
Hardness 270-340 HB Not specified
Typical Applications
NF A35-552 34NCD6
Used for aircraft parts, transmission shafts, gears, crankshafts, connecting rods, and heavy-duty fasteners.
IS 1570 (Part 4) 103Cr4
Not documented
Key Differences
Can NF A35-552 34NCD6 Be Substituted With IS 1570 (Part 4) 103Cr4?
NF A35-552 34NCD6 and IS 1570 (Part 4) 103Cr4 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
NF A35-552 34NCD6
Round Bar → (2 listings)
Diameter: 50–50 mm (1.97–1.97 in)
Length: 5000–7000 mm (196.85–275.59 in)
IS 1570 (Part 4) 103Cr4
No active listings currently.
On M-EX Right Now
NF A35-552 34NCD6
2 active listings and RFQs →
IS 1570 (Part 4) 103Cr4
0 active listings and RFQs →
Frequently Asked Questions
What is the difference between NF A35-552 34NCD6 and IS 1570 (Part 4) 103Cr4?
NF A35-552 34NCD6 specifies Ni, Mo, P, S which are not specified for IS 1570 (Part 4) 103Cr4.
Can NF A35-552 34NCD6 be substituted with IS 1570 (Part 4) 103Cr4?
NF A35-552 34NCD6 and IS 1570 (Part 4) 103Cr4 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.