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DIN 17210 20MnCr5 vs BS 970 (Part 1) 530A30

Close Alternative — 80% match based on chemical composition and mechanical property overlap.

DIN 17210 20MnCr5 (DIN 17210:1986) and BS 970 (Part 1) 530A30 (BS 970 (Part 1):1983) are both steel grades. Both fall under the Alloy Steel category. DIN 17210 20MnCr5 is typically used for gears, shafts, cams, pins, case hardened transmission components, while BS 970 (Part 1) 530A30 is commonly used for through hardening steel for mechanical and allied engineering purposes; supplied in the hardened and tempered conditions of table 6.. DIN 17210 20MnCr5 is defined under Deutsches Institut fur Normung (DIN), originating from Germany, while BS 970 (Part 1) 530A30 is defined under British Standards (BS), originating from United Kingdom.

As per chemical composition, DIN 17210 20MnCr5 vs BS 970 (Part 1) 530A30 is a 80% 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 80%.

Frequently Compared With DIN 17210 20MnCr5:
GOST 4543 12HN3A NF A35-565 100C6 GB/T 3077 12Cr2Ni4A UNI 11234 100Cr6 IS 1570 (Part 4) 103Cr4 IS 1570 (Part 4) 103Cr6 IS 1570 (Part 4) 07Cr4Mo6 IS 4367 07Cr4Mo6 IS 1570 (Part 7) 10Cr36Mo10H IS 1570 (Part 4) 105Cr5 IS 1570 (Part 4) 10Cr20Mo6 IS 4367 10Cr9Mo10
Match Breakdown
CHEMISTRY MATCH
80%
MECHANICAL MATCH
No shared data
OVERALL
80%
Specifications
Property DIN 17210 20MnCr5 BS 970 (Part 1) 530A30
Standard DIN 17210:1986 BS 970 (Part 1):1983
Category Alloy Steel Alloy Steel
C (%) 0.17–0.22 0.28-0.33
Mn (%) 1.10–1.40 0.60-0.80
Cr (%) 1.00–1.30 0.90-1.20
Si (%) ≤0.40 Not specified
S (%) ≤0.035 <=0.040
P (%) ≤0.035 <=0.035
Matched by chemical composition and mechanical properties, not a formal equivalence claim. Always verify against the applicable standard before substitution.
Mechanical Properties
Property DIN 17210 20MnCr5 BS 970 (Part 1) 530A30
Tensile Strength 800–1000 MPa Not specified
Case Hardness HRC 58–62 Not specified
Core Hardness HB 229–293 Not specified
Elongation ≥10% Not specified
Typical Applications
DIN 17210 20MnCr5
Gears, shafts, cams, pins, case hardened transmission components
BS 970 (Part 1) 530A30
Through hardening steel for mechanical and allied engineering purposes; supplied in the hardened and tempered conditions of Table 6.
Key Differences
Can DIN 17210 20MnCr5 Be Substituted With BS 970 (Part 1) 530A30?
DIN 17210 20MnCr5 and BS 970 (Part 1) 530A30 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
DIN 17210 20MnCr5
Round Bar → (2 listings)
Diameter: 50–50 mm (1.97–1.97 in)
Length: 5200–6200 mm (204.72–244.09 in)
BS 970 (Part 1) 530A30
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On M-EX Right Now
DIN 17210 20MnCr5
2 active listings and RFQs →
BS 970 (Part 1) 530A30
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Frequently Asked Questions
What is the difference between DIN 17210 20MnCr5 and BS 970 (Part 1) 530A30?
DIN 17210 20MnCr5 specifies Si which is not specified for BS 970 (Part 1) 530A30.
Can DIN 17210 20MnCr5 be substituted with BS 970 (Part 1) 530A30?
DIN 17210 20MnCr5 and BS 970 (Part 1) 530A30 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.