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

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

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

As per chemical composition, BS 970 (Part 1) 708A30 vs DIN 17200 30CrMo4 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 BS 970 (Part 1) 708A30:
IS 1570 (Part 7) 10Cr36Mo10H IS 1570 (Part 7) 10Mo6H IS 4367 10Cr9Mo10 NF A35-565 100C6 IS 1570 (Part 4) 103Cr4 IS 1570 (Part 4) 105Cr5 IS 1570 (Part 4) 10Cr20Mo6 IS 1570 (Part 4) 07Cr4Mo6 UNI 11234 100Cr6 IS 1570 (Part 4) 103Cr6 IS 1570 (Part 4) 10Mo6 IS 11169 (Part 1) 10Ni5Cr4
Match Breakdown
CHEMISTRY MATCH
85.3%
MECHANICAL MATCH
No shared data
OVERALL
85.3%
Specifications
Property BS 970 (Part 1) 708A30 DIN 17200 30CrMo4
Standard BS 970 (Part 1):1983 DIN 17200:1986
Category Alloy Steel Alloy Steel
C (%) 0.28-0.33 0.27-0.34
Mn (%) 0.40-0.60 0.40-0.70
Cr (%) 0.90-1.20 0.80-1.10
Mo (%) 0.15-0.25 0.15-0.25
P (%) <=0.035 <=0.035
S (%) <=0.040 <=0.035
Si (%) Not specified 0.15-0.40
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) 708A30 DIN 17200 30CrMo4
Tensile Strength Not specified 700–850 MPa
Yield Strength Not specified ≥520 MPa
Elongation Not specified ≥16%
Hardness Not specified 197–255 HB
Typical Applications
BS 970 (Part 1) 708A30
Through hardening steel for mechanical and allied engineering purposes; supplied in the hardened and tempered conditions of Table 6.
DIN 17200 30CrMo4
High tensile tubes, pressure vessels, aircraft structures
Key Differences
Can BS 970 (Part 1) 708A30 Be Substituted With DIN 17200 30CrMo4?
BS 970 (Part 1) 708A30 and DIN 17200 30CrMo4 overlap closely enough on chemistry and mechanical properties that DIN 17200 30CrMo4 is often considered as a substitute for BS 970 (Part 1) 708A30 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) 708A30
No active listings currently.
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)
On M-EX Right Now
BS 970 (Part 1) 708A30
0 active listings and RFQs →
DIN 17200 30CrMo4
2 active listings and RFQs →
Frequently Asked Questions
What is the difference between BS 970 (Part 1) 708A30 and DIN 17200 30CrMo4?
DIN 17200 30CrMo4 specifies Si which is not specified for BS 970 (Part 1) 708A30.
Can BS 970 (Part 1) 708A30 be substituted with DIN 17200 30CrMo4?
BS 970 (Part 1) 708A30 and DIN 17200 30CrMo4 overlap closely enough on chemistry and mechanical properties that DIN 17200 30CrMo4 is often considered as a substitute for BS 970 (Part 1) 708A30 in many applications. Always confirm the specific property range your application needs before substituting, and check with your supplier's mill certificate.