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BS 970 (Part 3) 945M38 vs BS 970 EN100C

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

BS 970 (Part 3) 945M38 (BS 970 (Part 3):1991) and BS 970 EN100C (BS 970:1955) are both steel grades. Both fall under the Alloy Steel category. BS 970 (Part 3) 945M38 is defined under British Standards (BS), originating from United Kingdom, while BS 970 EN100C is defined under British Standards (BS), originating from United Kingdom.

As per chemical composition, BS 970 (Part 3) 945M38 vs BS 970 EN100C 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 3) 945M38:
IS 1570 (Part 4) 103Cr4 IS 1570 (Part 4) 103Cr6 IS 4367 10Cr9Mo10 IS 1570 (Part 4) 10Mo6 IS 4367 07Cr4Mo6 IS 1570 (Part 4) 07Cr4Mo6 NF A35-565 100C6 UNI 11234 100Cr6 IS 1570 (Part 4) 105Cr5 IS 1570 (Part 4) 10Cr20Mo6 IS 1570 (Part 7) 10Cr36Mo10H IS 1570 (Part 7) 10Mo6H
Match Breakdown
CHEMISTRY MATCH
86.2%
MECHANICAL MATCH
No shared data
OVERALL
86.2%
Specifications
Property BS 970 (Part 3) 945M38 BS 970 EN100C
Standard BS 970 (Part 3):1991 BS 970:1955
Category Alloy Steel Alloy Steel
C (%) 0.34-0.42 0.35-0.40
Si (%) 0.10-0.40 0.10-0.50
Mn (%) 1.20-1.60 1.20-1.50
P (%) <=0.035 <=0.050
S (%) <=0.040 <=0.050
Cr (%) 0.40-0.60 0.30-0.60
Mo (%) 0.15-0.25 0.15-0.25
Ni (%) 0.60-0.90 0.50-1.00
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 3) 945M38 BS 970 EN100C
Tensile Strength Not specified ≥695 MPa (45 tons/sq in, converted)
Yield Strength Not specified ≥525 MPa (34 tons/sq in, converted)
Elongation Not specified ≥22%
Hardness Not specified 201-255 HB
Condition Not specified Hardened and tempered R, ruling section 6 in (lowest-strength condition of the standard)
Typical Applications
BS 970 (Part 3) 945M38
Bright cold finished bars (cold drawn, turned or precision ground) for general engineering purposes, in straight lengths; alloy direct hardening steel (Table 16)
BS 970 EN100C
Not documented
Can BS 970 (Part 3) 945M38 Be Substituted With BS 970 EN100C?
BS 970 (Part 3) 945M38 and BS 970 EN100C overlap closely enough on chemistry and mechanical properties that BS 970 EN100C is often considered as a substitute for BS 970 (Part 3) 945M38 in many applications. Always confirm the specific property range your application needs before substituting, and check with your supplier's mill certificate.
On M-EX Right Now
BS 970 (Part 3) 945M38
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BS 970 EN100C
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Frequently Asked Questions
What is the difference between BS 970 (Part 3) 945M38 and BS 970 EN100C?
Both grades share a similar composition profile; see the specification table above for the exact chemistry and mechanical property values.
Can BS 970 (Part 3) 945M38 be substituted with BS 970 EN100C?
BS 970 (Part 3) 945M38 and BS 970 EN100C overlap closely enough on chemistry and mechanical properties that BS 970 EN100C is often considered as a substitute for BS 970 (Part 3) 945M38 in many applications. Always confirm the specific property range your application needs before substituting, and check with your supplier's mill certificate.