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BS 970 (Part 1) 530A30 vs EN 10083-3 34Cr4

Strong Match — 86.2% match based on chemical composition and mechanical property overlap.

BS 970 (Part 1) 530A30 (BS 970 (Part 1):1983) and EN 10083-3 34Cr4 (EN 10083-3:2006) are both steel grades. Both fall under the Alloy Steel category. BS 970 (Part 1) 530A30 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 34Cr4 is commonly used for used in high-tensile bolts, studs, shafts, and general engineering components.. BS 970 (Part 1) 530A30 is defined under British Standards (BS), originating from United Kingdom, while EN 10083-3 34Cr4 is defined under European Standard (EN), originating from Europe.

As per chemical composition, BS 970 (Part 1) 530A30 vs EN 10083-3 34Cr4 is a 86.2% match. Mechanical property data is not available for both grades, so this factor could not be scored. Combined, this makes them a strong match overall at 86.2%.

Frequently Compared With BS 970 (Part 1) 530A30:
NF A35-565 100C6 IS 1570 (Part 4) 103Cr4 IS 1570 (Part 4) 103Cr6 IS 1570 (Part 4) 10Cr20Mo6 IS 4367 10Cr9Mo10 IS 1570 (Part 4) 10Mo6 IS 11169 (Part 1) 10Ni5Cr4 UNI 11234 100Cr6 IS 1570 (Part 4) 105Cr5 IS 4367 07Cr4Mo6 IS 1570 (Part 4) 07Cr4Mo6 IS 1570 (Part 7) 10Mo6H
Match Breakdown
CHEMISTRY MATCH
86.2%
MECHANICAL MATCH
No shared data
OVERALL
86.2%
Specifications
Property BS 970 (Part 1) 530A30 EN 10083-3 34Cr4
Standard BS 970 (Part 1):1983 EN 10083-3:2006
Category Alloy Steel Alloy Steel
C (%) 0.28-0.33 0.30-0.37
Mn (%) 0.60-0.80 0.60-0.90
Cr (%) 0.90-1.20 0.90-1.20
P (%) <=0.035 <=0.025
S (%) <=0.040 <=0.035
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) 530A30 EN 10083-3 34Cr4
Condition Not specified Quenched and tempered (+QT), ruling section d <= 16 mm
Elongation Not specified 12% min
Hardness Not specified Soft annealed (+A): 223 HBW max
Tensile Strength Not specified 900 to 1100 MPa
Yield Strength Not specified 700 MPa min
Typical Applications
BS 970 (Part 1) 530A30
Through hardening steel for mechanical and allied engineering purposes; supplied in the hardened and tempered conditions of Table 6.
EN 10083-3 34Cr4
Used in high-tensile bolts, studs, shafts, and general engineering components.
Key Differences
Can BS 970 (Part 1) 530A30 Be Substituted With EN 10083-3 34Cr4?
BS 970 (Part 1) 530A30 and EN 10083-3 34Cr4 overlap closely enough on chemistry and mechanical properties that EN 10083-3 34Cr4 is often considered as a substitute for BS 970 (Part 1) 530A30 in many applications. Always confirm the specific property range your application needs before substituting, and check with your supplier's mill certificate.
Forms & Sizes Available on M-EX
BS 970 (Part 1) 530A30
No active listings currently.
EN 10083-3 34Cr4
Round Bar → (2 listings)
Diameter: 50–50 mm (1.97–1.97 in)
Length: 6200–6200 mm (244.09–244.09 in)
On M-EX Right Now
BS 970 (Part 1) 530A30
0 active listings and RFQs →
EN 10083-3 34Cr4
2 active listings and RFQs →
Frequently Asked Questions
What is the difference between BS 970 (Part 1) 530A30 and EN 10083-3 34Cr4?
EN 10083-3 34Cr4 specifies Si which is not specified for BS 970 (Part 1) 530A30.
Can BS 970 (Part 1) 530A30 be substituted with EN 10083-3 34Cr4?
BS 970 (Part 1) 530A30 and EN 10083-3 34Cr4 overlap closely enough on chemistry and mechanical properties that EN 10083-3 34Cr4 is often considered as a substitute for BS 970 (Part 1) 530A30 in many applications. Always confirm the specific property range your application needs before substituting, and check with your supplier's mill certificate.