BS 970 EN24 vs IS 1570 (Part 4) 103Cr6

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

BS 970 EN24 (BS 970:1955) and IS 1570 (Part 4) 103Cr6 (IS 1570 (Part 4):1988) are both steel grades. Both fall under the Alloy Steel category. BS 970 EN24 is defined under British Standards (BS), originating from United Kingdom, while IS 1570 (Part 4) 103Cr6 is defined under Bureau of Indian Standards (IS), originating from India.

As per chemical composition, BS 970 EN24 vs IS 1570 (Part 4) 103Cr6 is a 60% 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 BS 970 EN24:
GOST 4543 12HN3A NF A35-565 100C6 UNI 11234 100Cr6 GB/T 3077 12Cr2Ni4A IS 1570 (Part 4) 105Cr5 IS 4367 07Cr4Mo6 IS 1570 (Part 4) 103Cr4 IS 1570 (Part 4) 10Cr20Mo6 IS 1570 (Part 4) 07Cr4Mo6 IS 1570 (Part 7) 10Cr36Mo10H IS 4367 10Cr9Mo10 EN 10028-2 10CrMo9-10
Match Breakdown
CHEMISTRY MATCH
60%
MECHANICAL MATCH
No shared data
OVERALL
35%
Specifications
Property BS 970 EN24 IS 1570 (Part 4) 103Cr6
Standard BS 970:1955 IS 1570 (Part 4):1988
Category Alloy Steel Alloy Steel
C (%) 0.35-0.45 0.95-1.10
Si (%) 0.10-0.35 0.10-0.35
Mn (%) 0.45-0.70 0.25-0.45
Ni (%) 1.30-1.80 Not specified
Cr (%) 0.90-1.40 1.40-1.60
Mo (%) 0.20-0.35 Not specified
S (%) <=0.050 Not specified
P (%) <=0.050 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 BS 970 EN24 IS 1570 (Part 4) 103Cr6
Tensile Strength ≥772 MPa (50 tons/sq in, converted) Not specified
Yield Strength ≥587 MPa (38 tons/sq in, converted) Not specified
Elongation ≥20% Not specified
Hardness 223-277 HB Not specified
Condition Hardened and tempered S, ruling section 6 in (lowest-strength condition of the standard) Not specified
Typical Applications
BS 970 EN24
Heavy duty gears, shafts, connecting rods
IS 1570 (Part 4) 103Cr6
Not documented
Key Differences
Can BS 970 EN24 Be Substituted With IS 1570 (Part 4) 103Cr6?
BS 970 EN24 and IS 1570 (Part 4) 103Cr6 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
BS 970 EN24
Round Bar → (26 listings)
Diameter: 50–130 mm (1.97–5.12 in)
Length: 4800–7000 mm (188.98–275.59 in)
Flat Bar → (6 listings)
Thickness: 25–40 mm (0.98–1.57 in)
Width: 200–200 mm (7.87–7.87 in)
Length: 2500–3900 mm (98.43–153.54 in)
Hex Bar → (4 listings)
Across Flats: 45–50 mm (1.77–1.97 in)
Length: 2500–3900 mm (98.43–153.54 in)
IS 1570 (Part 4) 103Cr6
No active listings currently.
On M-EX Right Now
BS 970 EN24
36 active listings and RFQs →
IS 1570 (Part 4) 103Cr6
0 active listings and RFQs →
Frequently Asked Questions
What is the difference between BS 970 EN24 and IS 1570 (Part 4) 103Cr6?
BS 970 EN24 specifies Ni, Mo, S, P which are not specified for IS 1570 (Part 4) 103Cr6.
Can BS 970 EN24 be substituted with IS 1570 (Part 4) 103Cr6?
BS 970 EN24 and IS 1570 (Part 4) 103Cr6 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.