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EN 10083-3 30NiCrMo16-6 vs BS 970 (Part 3) 826M31

Related Material — 69.3% match based on chemical composition and mechanical property overlap.

EN 10083-3 30NiCrMo16-6 (EN 10083-3:2006) and BS 970 (Part 3) 826M31 (BS 970 (Part 3):1991) are both steel grades. Both fall under the Alloy Steel category. EN 10083-3 30NiCrMo16-6 is typically used for quenched and tempered, flame or induction hardened machine parts (clause 1), while BS 970 (Part 3) 826M31 is commonly used for bright cold finished bars (cold drawn, turned or precision ground) for general engineering purposes, in straight lengths; alloy direct hardening steel (table 16). EN 10083-3 30NiCrMo16-6 is defined under European Standard (EN), originating from Europe, while BS 970 (Part 3) 826M31 is defined under British Standards (BS), originating from United Kingdom.

As per chemical composition, EN 10083-3 30NiCrMo16-6 vs BS 970 (Part 3) 826M31 is a 69.3% 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 69.3%.

Frequently Compared With EN 10083-3 30NiCrMo16-6:
NF A35-565 100C6 IS 4367 07Cr4Mo6 IS 1570 (Part 4) 103Cr4 UNI 11234 100Cr6 IS 1570 (Part 4) 103Cr6 IS 1570 (Part 4) 10Cr20Mo6 IS 4367 10Cr9Mo10 IS 1570 (Part 7) 10Mo6H IS 1570 (Part 4) 07Cr4Mo6 IS 1570 (Part 4) 105Cr5 IS 1570 (Part 7) 10Cr36Mo10H IS 1570 (Part 4) 10Mo6
Match Breakdown
CHEMISTRY MATCH
69.3%
MECHANICAL MATCH
No shared data
OVERALL
69.3%
Specifications
Property EN 10083-3 30NiCrMo16-6 BS 970 (Part 3) 826M31
Standard EN 10083-3:2006 BS 970 (Part 3):1991
Category Alloy Steel Alloy Steel
C (%) 0.26-0.33 0.27-0.35
Cr (%) 1.20-1.50 0.50-0.80
Mn (%) 0.50-0.80 0.45-0.70
Mo (%) 0.30-0.60 0.45-0.65
Ni (%) 3.3-4.3 2.30-2.80
P (%) <=0.025 <=0.035
S (%) <=0.025 <=0.040
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 30NiCrMo16-6 BS 970 (Part 3) 826M31
Condition Quenched and tempered (+QT), ruling section d <= 16 mm Not specified
Elongation 10% min Not specified
Hardness Soft annealed (+A): 270 HBW max Not specified
Tensile Strength 1080 to 1230 MPa Not specified
Yield Strength 880 MPa min Not specified
Typical Applications
EN 10083-3 30NiCrMo16-6
Quenched and tempered, flame or induction hardened machine parts (clause 1)
BS 970 (Part 3) 826M31
Bright cold finished bars (cold drawn, turned or precision ground) for general engineering purposes, in straight lengths; alloy direct hardening steel (Table 16)
Can EN 10083-3 30NiCrMo16-6 Be Substituted With BS 970 (Part 3) 826M31?
EN 10083-3 30NiCrMo16-6 and BS 970 (Part 3) 826M31 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.
On M-EX Right Now
EN 10083-3 30NiCrMo16-6
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BS 970 (Part 3) 826M31
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Frequently Asked Questions
What is the difference between EN 10083-3 30NiCrMo16-6 and BS 970 (Part 3) 826M31?
Both grades share a similar composition profile; see the specification table above for the exact chemistry and mechanical property values.
Can EN 10083-3 30NiCrMo16-6 be substituted with BS 970 (Part 3) 826M31?
EN 10083-3 30NiCrMo16-6 and BS 970 (Part 3) 826M31 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.