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ASTM A959 S42225 vs IS 1570 (Part 7) 20Cr12MoNiVH

Related Material — 62.8% match based on chemical composition and mechanical property overlap.

ASTM A959 S42225 (ASTM A959:2011) and IS 1570 (Part 7) 20Cr12MoNiVH (IS 1570 (Part 7):1992) are both steel grades. Both fall under the Stainless Steel category. ASTM A959 S42225 is typically used for wrought stainless steel products; recommended composition limits for adoption by product standards (clause 1.1), while IS 1570 (Part 7) 20Cr12MoNiVH is commonly used for boilers, pressure vessels, steam turbines, steam and water piping and other power plant equipment working at elevated temperature. ASTM A959 S42225 is defined under ASTM International, originating from United States, while IS 1570 (Part 7) 20Cr12MoNiVH is defined under Bureau of Indian Standards (IS), originating from India.

As per chemical composition, ASTM A959 S42225 vs IS 1570 (Part 7) 20Cr12MoNiVH is a 62.8% 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 62.8%.

Frequently Compared With ASTM A959 S42225:
ASTM A959 .- GB/T 3280 06Cr19Ni10 GOST 5632 06Kh23N28 GOST 5632 08X18H10 EN 10088-1 1.4006 EN 10088-1 1.4301 EN 10088-1 1.4401 IS 1570 (Part 7) 12Cr12MoVH IS 1570 (Part 7) 12Cr12Ni2Mo EN 10088-1 1.4845 IS 1570 (Part 7) 12Cr12MoH IS 1570 (Part 7) 11Cr17Ni13W3TiH
Match Breakdown
CHEMISTRY MATCH
62.8%
MECHANICAL MATCH
No shared data
OVERALL
62.8%
Specifications
Property ASTM A959 S42225 IS 1570 (Part 7) 20Cr12MoNiVH
Standard ASTM A959:2011 IS 1570 (Part 7):1992
Category Stainless Steel Stainless Steel
Al (%) <=0.025 Not specified
C (%) 0.20-0.25 0.17-0.23
Cb (%) <=0.05 Not specified
Co (%) <=0.20 Not specified
Cr (%) 11.0-12.5 11.0-12.50
Cu (%) <=0.15 Not specified
Mn (%) 0.50-1.00 <=1.00
Mo (%) 0.90-1.25 0.7-1.20
Ni (%) 0.50-1.00 0.30-1.00
P (%) <=0.020 <=0.040
S (%) <=0.010 <=0.030
Si (%) 0.20-0.50 <=0.50
Sn (%) <=0.02 Not specified
Ti (%) <=0.025 Not specified
V (%) 0.20-0.30 0.20-0.35
W (%) 0.90-1.25 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 ASTM A959 S42225 IS 1570 (Part 7) 20Cr12MoNiVH
Tensile Strength Not specified 780-930 MPa
Yield Strength Not specified >=590 MPa (0.2 % proof stress)
Elongation Not specified >=14%
Condition Not specified Bars, forgings, Q+T1, thickness up to 250 (first row of Table 3)
Typical Applications
ASTM A959 S42225
Wrought stainless steel products; recommended composition limits for adoption by product standards (clause 1.1)
IS 1570 (Part 7) 20Cr12MoNiVH
Boilers, pressure vessels, steam turbines, steam and water piping and other power plant equipment working at elevated temperature
Key Differences
Can ASTM A959 S42225 Be Substituted With IS 1570 (Part 7) 20Cr12MoNiVH?
ASTM A959 S42225 and IS 1570 (Part 7) 20Cr12MoNiVH 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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ASTM A959 S42225
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IS 1570 (Part 7) 20Cr12MoNiVH
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Frequently Asked Questions
What is the difference between ASTM A959 S42225 and IS 1570 (Part 7) 20Cr12MoNiVH?
ASTM A959 S42225 specifies Al, Cb, Co, Cu which are not specified for IS 1570 (Part 7) 20Cr12MoNiVH.
Can ASTM A959 S42225 be substituted with IS 1570 (Part 7) 20Cr12MoNiVH?
ASTM A959 S42225 and IS 1570 (Part 7) 20Cr12MoNiVH 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.