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

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

IS 11169 (Part 1) 30Ni13Cr5 (IS 11169 (Part 1):1984) and BS 970 EN39A (BS 970:1955) are both steel grades. Both fall under the Alloy Steel category. IS 11169 (Part 1) 30Ni13Cr5 is typically used for heavy shafts, axles, connecting rods, large gears, structural components in mining and construction equipment., while BS 970 EN39A is commonly 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.. IS 11169 (Part 1) 30Ni13Cr5 is defined under Bureau of Indian Standards (IS), originating from India, while BS 970 EN39A is defined under British Standards (BS), originating from United Kingdom.

As per chemical composition, IS 11169 (Part 1) 30Ni13Cr5 vs BS 970 EN39A 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 IS 11169 (Part 1) 30Ni13Cr5:
UNI 11234 100Cr6 GOST 4543 12HN3A NF A35-565 100C6 GB/T 3077 12Cr2Ni4A IS 1570 (Part 4) 103Cr4 IS 1570 (Part 4) 10Cr20Mo6 IS 1570 (Part 4) 07Cr4Mo6 IS 1570 (Part 4) 103Cr6 IS 1570 (Part 4) 105Cr5 IS 1570 (Part 7) 10Cr36Mo10H IS 4367 07Cr4Mo6 IS 4367 10Cr9Mo10
Match Breakdown
CHEMISTRY MATCH
80.7%
MECHANICAL MATCH
No shared data
OVERALL
80.7%
Specifications
Property IS 11169 (Part 1) 30Ni13Cr5 BS 970 EN39A
Standard IS 11169 (Part 1):1984 BS 970:1955
Category Alloy Steel Alloy Steel
C (%) 0.26-0.34 0.12-0.18
Mn (%) 0.40-0.70 <=0.50
Si (%) 0.10-0.35 0.10-0.35
Ni (%) 3.90-4.30 3.80-4.50
Cr (%) 1.10-1.40 1.00-1.40
S (%) Not specified <=0.050
P (%) Not specified <=0.050
Matched by chemical composition and mechanical properties, not a formal equivalence claim. Always verify against the applicable standard before substitution.
Mechanical Properties
Property IS 11169 (Part 1) 30Ni13Cr5 BS 970 EN39A
Hardness, annealed <=200 HB Not specified
Tensile Strength Not specified ≥1313 MPa (85 tons/sq in, converted)
Elongation Not specified ≥12%
Condition Not specified Core, after heat treatment (lowest-strength condition of the standard)
Typical Applications
IS 11169 (Part 1) 30Ni13Cr5
Heavy shafts, axles, connecting rods, large gears, structural components in mining and construction equipment.
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.
Key Differences
Can IS 11169 (Part 1) 30Ni13Cr5 Be Substituted With BS 970 EN39A?
IS 11169 (Part 1) 30Ni13Cr5 and BS 970 EN39A 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
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)
BS 970 EN39A
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On M-EX Right Now
IS 11169 (Part 1) 30Ni13Cr5
2 active listings and RFQs →
BS 970 EN39A
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Frequently Asked Questions
What is the difference between IS 11169 (Part 1) 30Ni13Cr5 and BS 970 EN39A?
BS 970 EN39A specifies S, P which are not specified for IS 11169 (Part 1) 30Ni13Cr5.
Can IS 11169 (Part 1) 30Ni13Cr5 be substituted with BS 970 EN39A?
IS 11169 (Part 1) 30Ni13Cr5 and BS 970 EN39A 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.