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SS 14 21 72 2172 vs BS 970 (Part 3) 070M55

Strong Match — 88.3% match based on chemical composition and mechanical property overlap.

SS 14 21 72 2172 and BS 970 (Part 3) 070M55 (BS 970 (Part 3):1991) are both steel grades. Both fall under the Carbon Steel category. SS 14 21 72 2172 is typically used for shafts,axles,gears,studs,bolts,general engineering components,machine parts, while BS 970 (Part 3) 070M55 is commonly used for used for springs, blades, wear plates, hand tools, shafts, and cutting components.. SS 14 21 72 2172 is defined under Swedish Standards (SS), originating from Sweden, while BS 970 (Part 3) 070M55 is defined under British Standards (BS), originating from United Kingdom.

As per chemical composition, SS 14 21 72 2172 vs BS 970 (Part 3) 070M55 is a 88.3% 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 88.3%.

Frequently Compared With SS 14 21 72 2172:
BS 970 (Part 1) 080A20 BS 970 (Part 1) 040A10 BS 970 (Part 1) 040A04 BS 970 (Part 1) 040A12 BS 970 (Part 1) 045A10 BS 970 (Part 1) 045M10 BS 970 (Part 1) 045M10 BS 970 (Part 3) 045M10 BS 970 (Part 1) 055M15 BS 970 (Part 1) 045A10 BS 970 (Part 3) 045A10 BS 970 (Part 1) 060A32
Match Breakdown
CHEMISTRY MATCH
88.3%
MECHANICAL MATCH
No shared data
OVERALL
88.3%
Specifications
Property SS 14 21 72 2172 BS 970 (Part 3) 070M55
Standard SS 14 21 72 BS 970 (Part 3):1991
Category Carbon Steel Carbon Steel
C (%) 0.42-0.50 0.50-0.60
Si (%) 0.10-0.40 0.10-0.40
Mn (%) 0.50-0.80 0.50-0.90
P (%) <=0.035 <=0.05
S (%) <=0.035 <=0.05
Matched by chemical composition and mechanical properties, not a formal equivalence claim. Always verify against the applicable standard before substitution.
Mechanical Properties
Property SS 14 21 72 2172 BS 970 (Part 3) 070M55
Tensile Strength 620-800 MPa Not specified
Yield Strength 340-490 MPa Not specified
Elongation 14-20 % Not specified
Hardness 179-235 HB Not specified
Typical Applications
SS 14 21 72 2172
shafts,axles,gears,studs,bolts,general engineering components,machine parts
BS 970 (Part 3) 070M55
Used for springs, blades, wear plates, hand tools, shafts, and cutting components.
Can SS 14 21 72 2172 Be Substituted With BS 970 (Part 3) 070M55?
SS 14 21 72 2172 and BS 970 (Part 3) 070M55 overlap closely enough on chemistry and mechanical properties that BS 970 (Part 3) 070M55 is often considered as a substitute for SS 14 21 72 2172 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
SS 14 21 72 2172
Round Bar → (2 listings)
Diameter: 40–40 mm (1.57–1.57 in)
Length: 6200–6200 mm (244.09–244.09 in)
BS 970 (Part 3) 070M55
Round Bar → (2 listings)
Diameter: 40–40 mm (1.57–1.57 in)
Length: 4800–5800 mm (188.98–228.35 in)
On M-EX Right Now
SS 14 21 72 2172
2 active listings and RFQs →
BS 970 (Part 3) 070M55
2 active listings and RFQs →
Frequently Asked Questions
What is the difference between SS 14 21 72 2172 and BS 970 (Part 3) 070M55?
Both grades share a similar composition profile; see the specification table above for the exact chemistry and mechanical property values.
Can SS 14 21 72 2172 be substituted with BS 970 (Part 3) 070M55?
SS 14 21 72 2172 and BS 970 (Part 3) 070M55 overlap closely enough on chemistry and mechanical properties that BS 970 (Part 3) 070M55 is often considered as a substitute for SS 14 21 72 2172 in many applications. Always confirm the specific property range your application needs before substituting, and check with your supplier's mill certificate.