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IS 1570 (Part 7) 12Cr12MoVH vs BS 970 (Part 1) 416S21

Close Alternative — 74.8% match based on chemical composition and mechanical property overlap.

IS 1570 (Part 7) 12Cr12MoVH (IS 1570 (Part 7):1992) and BS 970 (Part 1) 416S21 (BS 970 (Part 1):1991) are both steel grades. Both fall under the Stainless Steel category. IS 1570 (Part 7) 12Cr12MoVH is typically used for boilers, pressure vessels, steam turbines, steam and water piping and other power plant equipment working at elevated temperature, while BS 970 (Part 1) 416S21 is commonly used for ferritic and martensitic stainless and heat resisting steel (section five). IS 1570 (Part 7) 12Cr12MoVH is defined under Bureau of Indian Standards (IS), originating from India, while BS 970 (Part 1) 416S21 is defined under British Standards (BS), originating from United Kingdom.

As per chemical composition, IS 1570 (Part 7) 12Cr12MoVH vs BS 970 (Part 1) 416S21 is a 74.8% match. Mechanical property data is not available for both grades, so this factor could not be scored. Combined, this makes them a close alternative overall at 74.8%.

Frequently Compared With IS 1570 (Part 7) 12Cr12MoVH:
IS 1570 (Part 7) 12Cr13H IS 1570 (Part 7) 11Cr17Ni13W3TiH EN 10088-1 1.4401 GOST 5632 06Kh23N28 EN 10088-1 1.4301 IS 1570 (Part 7) 12Cr12MoH IS 1570 (Part 7) 20Cr12MoNiVH GB/T 3280 06Cr19Ni10 EN 10088-1 1.4006 IS 1570 (Part 7) 12Cr12Ni2Mo GOST 5632 12Kh13 ASTM A959 202
Match Breakdown
CHEMISTRY MATCH
74.8%
MECHANICAL MATCH
No shared data
OVERALL
74.8%
Specifications
Property IS 1570 (Part 7) 12Cr12MoVH BS 970 (Part 1) 416S21
Standard IS 1570 (Part 7):1992 BS 970 (Part 1):1991
Category Stainless Steel Stainless Steel
C (%) 0.08-0.16 0.09-0.15
Si (%) <=0.60 <=1.0
Mn (%) 0.40-1.00 <=1.5
P (%) <=0.040 <=0.060
S (%) <=0.035 0.15-0.35
Cr (%) 11.5-13.00 11.5-13.5
Ni (%) <=1.0 <=1.00
Mo (%) 0.40-0.80 <=0.60
V (%) 0.10-0.30 Not specified
Matched by chemical composition and mechanical properties, not a formal equivalence claim. Always verify against the applicable standard before substitution.
Mechanical Properties
Property IS 1570 (Part 7) 12Cr12MoVH BS 970 (Part 1) 416S21
Tensile Strength 770-930 MPa Not specified
Yield Strength >=585 MPa (0.2 % proof stress) Not specified
Elongation >=15% Not specified
Condition Bars, forgings, Q+T, thickness up to 150 (first row of Table 3) Not specified
Typical Applications
IS 1570 (Part 7) 12Cr12MoVH
Boilers, pressure vessels, steam turbines, steam and water piping and other power plant equipment working at elevated temperature
BS 970 (Part 1) 416S21
Ferritic and martensitic stainless and heat resisting steel (section five)
Key Differences
Can IS 1570 (Part 7) 12Cr12MoVH Be Substituted With BS 970 (Part 1) 416S21?
IS 1570 (Part 7) 12Cr12MoVH and BS 970 (Part 1) 416S21 are a close alternative rather than a direct substitute. Some properties overlap well, but check the specific chemistry and mechanical rows above against your application's requirements before treating them as interchangeable.
On M-EX Right Now
IS 1570 (Part 7) 12Cr12MoVH
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BS 970 (Part 1) 416S21
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Frequently Asked Questions
What is the difference between IS 1570 (Part 7) 12Cr12MoVH and BS 970 (Part 1) 416S21?
IS 1570 (Part 7) 12Cr12MoVH specifies V which is not specified for BS 970 (Part 1) 416S21.
Can IS 1570 (Part 7) 12Cr12MoVH be substituted with BS 970 (Part 1) 416S21?
IS 1570 (Part 7) 12Cr12MoVH and BS 970 (Part 1) 416S21 are a close alternative rather than a direct substitute. Some properties overlap well, but check the specific chemistry and mechanical rows above against your application's requirements before treating them as interchangeable.