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BS 970 EN14A vs BS 970 EN37

Related Material — 66.7% match based on chemical composition and mechanical property overlap.

BS 970 EN14A (BS 970:1955) and BS 970 EN37 (BS 970:1955) are both steel grades. Both fall under the Alloy Steel category. BS 970 EN14A is typically used for bars and billets for forging; forgings and drop-forgings; bars for machining; bright bars. suitable hardened and tempered for 40/50 (q) and 45/55 (r) tons/sq in according to ruling section; purchaser to state normalised, cold drawn or hardened and tempered q or r. when required as plate, sheet or strip order to bs 1449., while BS 970 EN37 is commonly used for bars and billets for forging; forgings and drop-forgings; bars for machining; bright bars. suitable for tensile strength of 40 tons/sq in min.. BS 970 EN14A is defined under British Standards (BS), originating from United Kingdom, while BS 970 EN37 is defined under British Standards (BS), originating from United Kingdom.

As per chemical composition, BS 970 EN14A vs BS 970 EN37 is a 75.1% match. As per mechanical properties, the match is 50%. Combined, this makes them a related material overall at 66.7%.

Frequently Compared With BS 970 EN14A:
IS 4367 07Cr4Mo6 IS 1570 (Part 4) 07Cr4Mo6 NF A35-565 100C6 UNI 11234 100Cr6 IS 1570 (Part 4) 103Cr4 IS 1570 (Part 4) 103Cr6 IS 1570 (Part 4) 105Cr5 IS 1570 (Part 4) 10Cr20Mo6 IS 1570 (Part 7) 10Cr36Mo10H IS 4367 10Cr9Mo10 IS 1570 (Part 4) 10Mo6 IS 1570 (Part 7) 10Mo6H
Match Breakdown
CHEMISTRY MATCH
75.1%
MECHANICAL MATCH
50%
OVERALL
66.7%
Specifications
Property BS 970 EN14A BS 970 EN37
Standard BS 970:1955 BS 970:1955
Category Alloy Steel Alloy Steel
C (%) 0.15-0.25 <=0.16
Si (%) 0.10-0.35 0.10-0.35
Mn (%) 1.30-1.70 <=0.45
Ni (%) <=0.40 4.50-5.20
Cr (%) <=0.25 <=0.30
S (%) <=0.060 <=0.050
P (%) <=0.060 <=0.050
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 EN14A BS 970 EN37
Tensile Strength ≥541 MPa (35 tons/sq in, converted) ≥618 MPa (40 tons/sq in, converted)
Yield Strength ≥324 MPa (21 tons/sq in, converted) Not specified
Elongation ≥20% ≥20%
Hardness 152-207 HB Not specified
Condition Normalised, ruling section 6 in (lowest-strength condition of the standard) Core, after heat treatment (lowest-strength condition of the standard)
Typical Applications
BS 970 EN14A
Bars and billets for forging; forgings and drop-forgings; bars for machining; bright bars. Suitable hardened and tempered for 40/50 (Q) and 45/55 (R) tons/sq in according to ruling section; purchaser to state normalised, cold drawn or hardened and tempered Q or R. When required as plate, sheet or strip order to BS 1449.
BS 970 EN37
Bars and billets for forging; forgings and drop-forgings; bars for machining; bright bars. Suitable for tensile strength of 40 tons/sq in min.
Can BS 970 EN14A Be Substituted With BS 970 EN37?
BS 970 EN14A and BS 970 EN37 share some compositional similarity but differ enough that substitution should not be assumed. Review the differences above carefully, and consult the applicable standard or a metallurgist before using one in place of the other.
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BS 970 EN14A
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BS 970 EN37
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Frequently Asked Questions
What is the difference between BS 970 EN14A and BS 970 EN37?
Both grades share a similar composition profile; see the specification table above for the exact chemistry and mechanical property values.
Can BS 970 EN14A be substituted with BS 970 EN37?
BS 970 EN14A and BS 970 EN37 share some compositional similarity but differ enough that substitution should not be assumed. Review the differences above carefully, and consult the applicable standard or a metallurgist before using one in place of the other.