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BS 970 EN33 vs EN 10084 15NiCr13

Close Alternative — 73.6% match based on chemical composition and mechanical property overlap.

BS 970 EN33 (BS 970:1955) and EN 10084 15NiCr13 (EN 10084:2008) are both steel grades. Both fall under the Alloy Steel category. BS 970 EN33 is typically used for bars and billets for forging; forgings and drop-forgings; bars for machining; bright bars. suitable for tensile strength of 45 tons/sq in min., while EN 10084 15NiCr13 is commonly used for heavily loaded gears, cams, camshafts. BS 970 EN33 is defined under British Standards (BS), originating from United Kingdom, while EN 10084 15NiCr13 is defined under European Standard (EN), originating from Europe.

As per chemical composition, BS 970 EN33 vs EN 10084 15NiCr13 is a 73.6% 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 73.6%.

Frequently Compared With BS 970 EN33:
IS 1570 (Part 4) 103Cr4 IS 1570 (Part 4) 103Cr6 IS 1570 (Part 4) 105Cr5 IS 4367 07Cr4Mo6 IS 1570 (Part 4) 07Cr4Mo6 NF A35-565 100C6 IS 1570 (Part 4) 10Cr20Mo6 IS 1570 (Part 7) 10Cr36Mo10H IS 4367 10Cr9Mo10 IS 1570 (Part 4) 10Mo6 IS 1570 (Part 7) 10Mo6H UNI 11234 100Cr6
Match Breakdown
CHEMISTRY MATCH
73.6%
MECHANICAL MATCH
No shared data
OVERALL
73.6%
Specifications
Property BS 970 EN33 EN 10084 15NiCr13
Standard BS 970:1955 EN 10084:2008
Category Alloy Steel Alloy Steel
C (%) 0.10-0.15 0.14-0.20
Si (%) 0.10-0.35 <=0.40
Mn (%) 0.30-0.60 0.40-0.70
Ni (%) 2.75-3.50 3.00-3.50
Cr (%) <=0.30 0.60-0.90
S (%) <=0.050 <=0.035
P (%) <=0.050 <=0.025
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 EN33 EN 10084 15NiCr13
Tensile Strength ≥695 MPa (45 tons/sq in, converted) Not specified
Elongation ≥18% Not specified
Condition Core, after heat treatment (lowest-strength condition of the standard) Soft annealed
Hardenability Not specified +H band at 1.5 mm from the quenched end: 41 to 48 HRC
Hardness Not specified Soft annealed: 229 HB max
Typical Applications
BS 970 EN33
Bars and billets for forging; forgings and drop-forgings; bars for machining; bright bars. Suitable for tensile strength of 45 tons/sq in min.
EN 10084 15NiCr13
Heavily loaded gears, cams, camshafts
Can BS 970 EN33 Be Substituted With EN 10084 15NiCr13?
BS 970 EN33 and EN 10084 15NiCr13 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 EN33
No active listings currently.
EN 10084 15NiCr13
Round Bar → (6 listings)
Diameter: 50–50 mm (1.97–1.97 in)
Length: 5200–7000 mm (204.72–275.59 in)
On M-EX Right Now
BS 970 EN33
0 active listings and RFQs →
EN 10084 15NiCr13
6 active listings and RFQs →
Frequently Asked Questions
What is the difference between BS 970 EN33 and EN 10084 15NiCr13?
Both grades share a similar composition profile; see the specification table above for the exact chemistry and mechanical property values.
Can BS 970 EN33 be substituted with EN 10084 15NiCr13?
BS 970 EN33 and EN 10084 15NiCr13 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.