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BS 970 EN39A vs IS 11169 (Part 1) 30Ni13Cr5

Close Alternative — 80.7% match based on chemical composition and mechanical property overlap.

BS 970 EN39A (BS 970:1955) and IS 11169 (Part 1) 30Ni13Cr5 (IS 11169 (Part 1):1984) are both steel grades. Both fall under the Alloy Steel category. BS 970 EN39A is typically used for bars and billets for forging; forgings and drop-forgings; bars for machining; bright bars. suitable for tensile strength of 85 tons/sq in min., while IS 11169 (Part 1) 30Ni13Cr5 is commonly used for heavy shafts, axles, connecting rods, large gears, structural components in mining and construction equipment.. BS 970 EN39A is defined under British Standards (BS), originating from United Kingdom, while IS 11169 (Part 1) 30Ni13Cr5 is defined under Bureau of Indian Standards (IS), originating from India.

As per chemical composition, BS 970 EN39A vs IS 11169 (Part 1) 30Ni13Cr5 is a 80.7% match. Mechanical property data is not available for both grades, so this factor could not be scored. Combined, this makes them a close alternative overall at 80.7%.

Frequently Compared With BS 970 EN39A:
IS 1570 (Part 4) 105Cr5 IS 1570 (Part 4) 07Cr4Mo6 IS 4367 10Cr9Mo10 IS 1570 (Part 7) 10Mo6H UNI 11234 100Cr6 IS 1570 (Part 4) 103Cr4 IS 1570 (Part 4) 103Cr6 IS 1570 (Part 4) 10Cr20Mo6 IS 1570 (Part 4) 10Mo6 IS 4367 07Cr4Mo6 NF A35-565 100C6 IS 1570 (Part 7) 10Cr36Mo10H
Match Breakdown
CHEMISTRY MATCH
80.7%
MECHANICAL MATCH
No shared data
OVERALL
80.7%
Specifications
Property BS 970 EN39A IS 11169 (Part 1) 30Ni13Cr5
Standard BS 970:1955 IS 11169 (Part 1):1984
Category Alloy Steel Alloy Steel
C (%) 0.12-0.18 0.26-0.34
Si (%) 0.10-0.35 0.10-0.35
Mn (%) <=0.50 0.40-0.70
Ni (%) 3.80-4.50 3.90-4.30
Cr (%) 1.00-1.40 1.10-1.40
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 EN39A IS 11169 (Part 1) 30Ni13Cr5
Tensile Strength ≥1313 MPa (85 tons/sq in, converted) Not specified
Elongation ≥12% Not specified
Condition Core, after heat treatment (lowest-strength condition of the standard) Not specified
Hardness, annealed Not specified <=200 HB
Typical Applications
BS 970 EN39A
Bars and billets for forging; forgings and drop-forgings; bars for machining; bright bars. Suitable for tensile strength of 85 tons/sq in min.
IS 11169 (Part 1) 30Ni13Cr5
Heavy shafts, axles, connecting rods, large gears, structural components in mining and construction equipment.
Key Differences
Can BS 970 EN39A Be Substituted With IS 11169 (Part 1) 30Ni13Cr5?
BS 970 EN39A and IS 11169 (Part 1) 30Ni13Cr5 are a close alternative rather than a direct substitute. Some properties overlap well, but check the specific chemistry and mechanical rows above against your application's requirements before treating them as interchangeable.
Forms & Sizes Available on M-EX
BS 970 EN39A
No active listings currently.
IS 11169 (Part 1) 30Ni13Cr5
Round Bar → (2 listings)
Diameter: 50–50 mm (1.97–1.97 in)
Length: 4800–5900 mm (188.98–232.28 in)
On M-EX Right Now
BS 970 EN39A
0 active listings and RFQs →
IS 11169 (Part 1) 30Ni13Cr5
2 active listings and RFQs →
Frequently Asked Questions
What is the difference between BS 970 EN39A and IS 11169 (Part 1) 30Ni13Cr5?
BS 970 EN39A specifies S, P which are not specified for IS 11169 (Part 1) 30Ni13Cr5.
Can BS 970 EN39A be substituted with IS 11169 (Part 1) 30Ni13Cr5?
BS 970 EN39A and IS 11169 (Part 1) 30Ni13Cr5 are a close alternative rather than a direct substitute. Some properties overlap well, but check the specific chemistry and mechanical rows above against your application's requirements before treating them as interchangeable.