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EN 10083-3 35NiCr6 vs BS 970 (Part 3) 635M15

Related Material — 69.9% match based on chemical composition and mechanical property overlap.

EN 10083-3 35NiCr6 (EN 10083-3:2006) and BS 970 (Part 3) 635M15 (BS 970 (Part 3):1991) are both steel grades. Both fall under the Alloy Steel category. EN 10083-3 35NiCr6 is typically used for quenched and tempered, flame or induction hardened machine parts (clause 1), while BS 970 (Part 3) 635M15 is commonly used for bright cold finished bars (cold drawn, turned or precision ground) for general engineering purposes, in straight lengths; alloy case hardening steel (table 15). EN 10083-3 35NiCr6 is defined under European Standard (EN), originating from Europe, while BS 970 (Part 3) 635M15 is defined under British Standards (BS), originating from United Kingdom.

As per chemical composition, EN 10083-3 35NiCr6 vs BS 970 (Part 3) 635M15 is a 70.4% match. Mechanical property data is not available for both grades, so this factor could not be scored. Combined, this makes them a related material overall at 69.9%.

Frequently Compared With EN 10083-3 35NiCr6:
NF A35-565 100C6 IS 1570 (Part 4) 103Cr4 IS 1570 (Part 4) 103Cr6 IS 1570 (Part 4) 10Cr20Mo6 IS 4367 07Cr4Mo6 IS 1570 (Part 4) 07Cr4Mo6 UNI 11234 100Cr6 IS 1570 (Part 4) 10Mo6 IS 1570 (Part 7) 10Mo6H IS 1570 (Part 4) 105Cr5 IS 1570 (Part 7) 10Cr36Mo10H IS 4367 10Cr9Mo10
Match Breakdown
CHEMISTRY MATCH
70.4%
MECHANICAL MATCH
No shared data
OVERALL
69.9%
Specifications
Property EN 10083-3 35NiCr6 BS 970 (Part 3) 635M15
Standard EN 10083-3:2006 BS 970 (Part 3):1991
Category Alloy Steel Alloy Steel
C (%) 0.30-0.37 0.12-0.18
Cr (%) 0.80-1.10 0.4-0.80
Mn (%) 0.60-0.90 0.60-0.90
Ni (%) 1.20-1.60 0.70-1.10
P (%) <=0.025 <=0.04
S (%) <=0.025 <=0.05
Si (%) <=0.40 0.10-0.40
Matched by chemical composition and mechanical properties, not a formal equivalence claim. Always verify against the applicable standard before substitution.
Mechanical Properties
Property EN 10083-3 35NiCr6 BS 970 (Part 3) 635M15
Condition Quenched and tempered (+QT), ruling section d <= 16 mm Not specified
Elongation 12% min Not specified
Hardness Soft annealed (+A): 223 HBW max Not specified
Tensile Strength 880 to 1080 MPa Not specified
Yield Strength 740 MPa min Not specified
Typical Applications
EN 10083-3 35NiCr6
Quenched and tempered, flame or induction hardened machine parts (clause 1)
BS 970 (Part 3) 635M15
Bright cold finished bars (cold drawn, turned or precision ground) for general engineering purposes, in straight lengths; alloy case hardening steel (Table 15)
Can EN 10083-3 35NiCr6 Be Substituted With BS 970 (Part 3) 635M15?
EN 10083-3 35NiCr6 and BS 970 (Part 3) 635M15 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.
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EN 10083-3 35NiCr6
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BS 970 (Part 3) 635M15
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Frequently Asked Questions
What is the difference between EN 10083-3 35NiCr6 and BS 970 (Part 3) 635M15?
Both grades share a similar composition profile; see the specification table above for the exact chemistry and mechanical property values.
Can EN 10083-3 35NiCr6 be substituted with BS 970 (Part 3) 635M15?
EN 10083-3 35NiCr6 and BS 970 (Part 3) 635M15 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.