BS 970 (Part 3) 410S21 vs IS 1570 (Part 7) 11Cr17Ni13W3TiH

Related Material — 69.9% match based on chemical composition and mechanical property overlap.

BS 970 (Part 3) 410S21 (BS 970 (Part 3):1991) and IS 1570 (Part 7) 11Cr17Ni13W3TiH (IS 1570 (Part 7):1992) are both steel grades. Both fall under the Stainless Steel category. BS 970 (Part 3) 410S21 is typically used for bright cold finished bars (cold drawn, turned or precision ground) for general engineering purposes, in straight lengths; martensitic stainless steel (table 17), while IS 1570 (Part 7) 11Cr17Ni13W3TiH is commonly used for boilers, pressure vessels, steam turbines, steam and water piping and other power plant equipment working at elevated temperature. BS 970 (Part 3) 410S21 is defined under British Standards (BS), originating from United Kingdom, while IS 1570 (Part 7) 11Cr17Ni13W3TiH is defined under Bureau of Indian Standards (IS), originating from India.

As per chemical composition, BS 970 (Part 3) 410S21 vs IS 1570 (Part 7) 11Cr17Ni13W3TiH is a 69.9% match. Mechanical property data is not available for both grades, so this factor could not be scored. Combined, this makes them a related material overall at 69.9%.

Frequently Compared With BS 970 (Part 3) 410S21:
IS 1570 (Part 7) 12Cr13H IS 1570 (Part 7) 12Cr12MoVH ASTM A959 .- GOST 5632 08X18H10 IS 1570 (Part 7) 12Cr12Ni2Mo GB/T 3280 06Cr19Ni10 GOST 5632 06Kh23N28 EN 10088-1 1.4006 EN 10088-1 1.4301 EN 10088-1 1.4401 EN 10088-1 1.4845 IS 1570 (Part 7) 12Cr12MoH
Match Breakdown
CHEMISTRY MATCH
69.9%
MECHANICAL MATCH
No shared data
OVERALL
69.9%
Specifications
Property BS 970 (Part 3) 410S21 IS 1570 (Part 7) 11Cr17Ni13W3TiH
Standard BS 970 (Part 3):1991 IS 1570 (Part 7):1992
Category Stainless Steel Stainless Steel
C (%) 0.09-0.15 0.07-0.15
Si (%) <=1.0 <=1.00
Mn (%) <=1.0 <=1.00
P (%) <=0.040 <=0.045
S (%) <=0.030 <=0.030
Cr (%) 11.5-13.5 15.5-17.50
Ni (%) <=1.00 12.00-14.50
W (%) Not specified 2.5-3.5
Ti (%) Not specified >=4xC, <=0.80
B (%) Not specified <=0.0006
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) 410S21 IS 1570 (Part 7) 11Cr17Ni13W3TiH
Tensile Strength Not specified 600-800 MPa
Yield Strength Not specified >=390 MPa (0.2 % proof stress)
Elongation Not specified >=25%
Condition Not specified Bars, forgings, pipes, hot cold worked, thickness up to 60 (first row of Table 3)
Typical Applications
BS 970 (Part 3) 410S21
Bright cold finished bars (cold drawn, turned or precision ground) for general engineering purposes, in straight lengths; martensitic stainless steel (Table 17)
IS 1570 (Part 7) 11Cr17Ni13W3TiH
Boilers, pressure vessels, steam turbines, steam and water piping and other power plant equipment working at elevated temperature
Key Differences
Can BS 970 (Part 3) 410S21 Be Substituted With IS 1570 (Part 7) 11Cr17Ni13W3TiH?
BS 970 (Part 3) 410S21 and IS 1570 (Part 7) 11Cr17Ni13W3TiH 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.
On M-EX Right Now
BS 970 (Part 3) 410S21
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IS 1570 (Part 7) 11Cr17Ni13W3TiH
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Frequently Asked Questions
What is the difference between BS 970 (Part 3) 410S21 and IS 1570 (Part 7) 11Cr17Ni13W3TiH?
IS 1570 (Part 7) 11Cr17Ni13W3TiH specifies W, Ti, B which are not specified for BS 970 (Part 3) 410S21.
Can BS 970 (Part 3) 410S21 be substituted with IS 1570 (Part 7) 11Cr17Ni13W3TiH?
BS 970 (Part 3) 410S21 and IS 1570 (Part 7) 11Cr17Ni13W3TiH 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.