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DIN 17200 30CrMo4 vs BS 970 (Part 1) 708A30

Strong Match — 85.3% match based on chemical composition and mechanical property overlap.

DIN 17200 30CrMo4 (DIN 17200:1986) and BS 970 (Part 1) 708A30 (BS 970 (Part 1):1983) are both steel grades. Both fall under the Alloy Steel category. DIN 17200 30CrMo4 is typically used for high tensile tubes, pressure vessels, aircraft structures, while BS 970 (Part 1) 708A30 is commonly used for through hardening steel for mechanical and allied engineering purposes; supplied in the hardened and tempered conditions of table 6.. DIN 17200 30CrMo4 is defined under Deutsches Institut fur Normung (DIN), originating from Germany, while BS 970 (Part 1) 708A30 is defined under British Standards (BS), originating from United Kingdom.

As per chemical composition, DIN 17200 30CrMo4 vs BS 970 (Part 1) 708A30 is a 85.3% 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 85.3%.

Frequently Compared With DIN 17200 30CrMo4:
NF A35-565 100C6 GB/T 3077 12Cr2Ni4A UNI 11234 100Cr6 GOST 4543 12HN3A IS 1570 (Part 4) 10Cr20Mo6 IS 1570 (Part 7) 10Cr36Mo10H IS 4367 07Cr4Mo6 IS 1570 (Part 4) 103Cr4 IS 1570 (Part 4) 105Cr5 IS 1570 (Part 4) 103Cr6 IS 1570 (Part 4) 07Cr4Mo6 IS 4367 10Cr9Mo10
Match Breakdown
CHEMISTRY MATCH
85.3%
MECHANICAL MATCH
No shared data
OVERALL
85.3%
Specifications
Property DIN 17200 30CrMo4 BS 970 (Part 1) 708A30
Standard DIN 17200:1986 BS 970 (Part 1):1983
Category Alloy Steel Alloy Steel
C (%) 0.27-0.34 0.28-0.33
Si (%) 0.15-0.40 Not specified
Mn (%) 0.40-0.70 0.40-0.60
Cr (%) 0.80-1.10 0.90-1.20
Mo (%) 0.15-0.25 0.15-0.25
P (%) <=0.035 <=0.035
S (%) <=0.035 <=0.040
Matched by chemical composition and mechanical properties, not a formal equivalence claim. Always verify against the applicable standard before substitution.
Mechanical Properties
Property DIN 17200 30CrMo4 BS 970 (Part 1) 708A30
Tensile Strength 700–850 MPa Not specified
Yield Strength ≥520 MPa Not specified
Elongation ≥16% Not specified
Hardness 197–255 HB Not specified
Typical Applications
DIN 17200 30CrMo4
High tensile tubes, pressure vessels, aircraft structures
BS 970 (Part 1) 708A30
Through hardening steel for mechanical and allied engineering purposes; supplied in the hardened and tempered conditions of Table 6.
Key Differences
Can DIN 17200 30CrMo4 Be Substituted With BS 970 (Part 1) 708A30?
DIN 17200 30CrMo4 and BS 970 (Part 1) 708A30 overlap closely enough on chemistry and mechanical properties that BS 970 (Part 1) 708A30 is often considered as a substitute for DIN 17200 30CrMo4 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
DIN 17200 30CrMo4
Round Bar → (2 listings)
Diameter: 50–50 mm (1.97–1.97 in)
Length: 6400–7000 mm (251.97–275.59 in)
BS 970 (Part 1) 708A30
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On M-EX Right Now
DIN 17200 30CrMo4
2 active listings and RFQs →
BS 970 (Part 1) 708A30
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Frequently Asked Questions
What is the difference between DIN 17200 30CrMo4 and BS 970 (Part 1) 708A30?
DIN 17200 30CrMo4 specifies Si which is not specified for BS 970 (Part 1) 708A30.
Can DIN 17200 30CrMo4 be substituted with BS 970 (Part 1) 708A30?
DIN 17200 30CrMo4 and BS 970 (Part 1) 708A30 overlap closely enough on chemistry and mechanical properties that BS 970 (Part 1) 708A30 is often considered as a substitute for DIN 17200 30CrMo4 in many applications. Always confirm the specific property range your application needs before substituting, and check with your supplier's mill certificate.