Strong Match — 90% match
based on chemical composition and mechanical property overlap.
IS 1875 Class 2 (IS 1875:1992) and BS 970 (Part 1) 070M20 (BS 970 (Part 1):1983) are both steel grades.
Both fall under the Carbon Steel category.
IS 1875 Class 2 is typically used for billets, blooms, slabs and bars for general engineering forgings, while BS 970 (Part 1) 070M20 is commonly used for wrought steel supplied as bright bar for mechanical and allied engineering purposes (table 4)..
IS 1875 Class 2 is defined under Bureau of Indian Standards (IS), originating from India, while BS 970 (Part 1) 070M20 is defined under British Standards (BS), originating from United Kingdom.
As per chemical composition, IS 1875 Class 2 vs BS 970 (Part 1) 070M20 is a 90% 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 90%.
Matched by chemical composition and mechanical properties, not a formal equivalence claim. Always verify against the applicable standard before substitution.
Mechanical Properties
Property
IS 1875 Class 2
BS 970 (Part 1) 070M20
Tensile Strength
430 MPa min
Not specified
Yield Strength
230 MPa min
Not specified
Elongation
>=24%
Not specified
Hardness
120 HB min
Not specified
Condition
as rolled or as forged and normalised, ruling section up to 100 mm
Not specified
Normalising Temperature
880-910 °C (for information)
Not specified
Bend Test (if ordered)
32 mm square test piece bent round a 38 mm former without fracture
Not specified
Typical Applications
IS 1875 Class 2
Billets, blooms, slabs and bars for general engineering forgings
BS 970 (Part 1) 070M20
Wrought steel supplied as bright bar for mechanical and allied engineering purposes (Table 4).
Key Differences
IS 1875 Class 2 specifies Si which is not specified for BS 970 (Part 1) 070M20.
Can IS 1875 Class 2 Be Substituted With BS 970 (Part 1) 070M20?
IS 1875 Class 2 and BS 970 (Part 1) 070M20 overlap closely enough on chemistry and mechanical properties that BS 970 (Part 1) 070M20 is often considered as a substitute for IS 1875 Class 2 in many applications. Always confirm the specific property range your application needs before substituting, and check with your supplier's mill certificate.
What is the difference between IS 1875 Class 2 and BS 970 (Part 1) 070M20?
IS 1875 Class 2 specifies Si which is not specified for BS 970 (Part 1) 070M20.
Can IS 1875 Class 2 be substituted with BS 970 (Part 1) 070M20?
IS 1875 Class 2 and BS 970 (Part 1) 070M20 overlap closely enough on chemistry and mechanical properties that BS 970 (Part 1) 070M20 is often considered as a substitute for IS 1875 Class 2 in many applications. Always confirm the specific property range your application needs before substituting, and check with your supplier's mill certificate.