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BS 970 (Part 1) 835M30 vs EN 10083-3 30NiCrMo16-6

Close Alternative — 74.6% match based on chemical composition and mechanical property overlap.

BS 970 (Part 1) 835M30 (BS 970 (Part 1):1983) and EN 10083-3 30NiCrMo16-6 (EN 10083-3:2006) are both steel grades. Both fall under the Alloy Steel category. BS 970 (Part 1) 835M30 is typically used for through hardening steel for mechanical and allied engineering purposes; supplied in the hardened and tempered conditions of table 6., while EN 10083-3 30NiCrMo16-6 is commonly used for quenched and tempered, flame or induction hardened machine parts (clause 1). BS 970 (Part 1) 835M30 is defined under British Standards (BS), originating from United Kingdom, while EN 10083-3 30NiCrMo16-6 is defined under European Standard (EN), originating from Europe.

As per chemical composition, BS 970 (Part 1) 835M30 vs EN 10083-3 30NiCrMo16-6 is a 74.6% 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 74.6%.

Frequently Compared With BS 970 (Part 1) 835M30:
IS 1570 (Part 4) 10Mo6 IS 1570 (Part 4) 103Cr6 IS 4367 10Cr9Mo10 NF A35-565 100C6 UNI 11234 100Cr6 IS 1570 (Part 4) 103Cr4 IS 1570 (Part 4) 105Cr5 IS 1570 (Part 4) 10Cr20Mo6 IS 11169 (Part 1) 10Ni5Cr4 IS 4367 07Cr4Mo6 IS 1570 (Part 4) 07Cr4Mo6 IS 1570 (Part 7) 10Cr36Mo10H
Match Breakdown
CHEMISTRY MATCH
74.6%
MECHANICAL MATCH
No shared data
OVERALL
74.6%
Specifications
Property BS 970 (Part 1) 835M30 EN 10083-3 30NiCrMo16-6
Standard BS 970 (Part 1):1983 EN 10083-3:2006
Category Alloy Steel Alloy Steel
C (%) 0.26-0.34 0.26-0.33
Mn (%) 0.45-0.70 0.50-0.80
P (%) <=0.025 <=0.025
S (%) <=0.025 <=0.025
Cr (%) 1.10-1.40 1.20-1.50
Mo (%) 0.20-0.35 0.30-0.60
Ni (%) 3.90-4.30 3.3-4.3
Si (%) Not specified <=0.40
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 (Part 1) 835M30 EN 10083-3 30NiCrMo16-6
Condition Not specified Quenched and tempered (+QT), ruling section d <= 16 mm
Elongation Not specified 10% min
Hardness Not specified Soft annealed (+A): 270 HBW max
Tensile Strength Not specified 1080 to 1230 MPa
Yield Strength Not specified 880 MPa min
Typical Applications
BS 970 (Part 1) 835M30
Through hardening steel for mechanical and allied engineering purposes; supplied in the hardened and tempered conditions of Table 6.
EN 10083-3 30NiCrMo16-6
Quenched and tempered, flame or induction hardened machine parts (clause 1)
Key Differences
Can BS 970 (Part 1) 835M30 Be Substituted With EN 10083-3 30NiCrMo16-6?
BS 970 (Part 1) 835M30 and EN 10083-3 30NiCrMo16-6 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.
On M-EX Right Now
BS 970 (Part 1) 835M30
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EN 10083-3 30NiCrMo16-6
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Frequently Asked Questions
What is the difference between BS 970 (Part 1) 835M30 and EN 10083-3 30NiCrMo16-6?
EN 10083-3 30NiCrMo16-6 specifies Si which is not specified for BS 970 (Part 1) 835M30.
Can BS 970 (Part 1) 835M30 be substituted with EN 10083-3 30NiCrMo16-6?
BS 970 (Part 1) 835M30 and EN 10083-3 30NiCrMo16-6 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.