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ASTM A959 S30430 vs IS 1570 (Part 7) 3Cr18Ni11H

Strong Match — 90.6% match based on chemical composition and mechanical property overlap.

ASTM A959 S30430 (ASTM A959:2011) and IS 1570 (Part 7) 3Cr18Ni11H (IS 1570 (Part 7):1992) are both steel grades. Both fall under the Stainless Steel category. ASTM A959 S30430 is typically used for wrought stainless steel products; recommended composition limits for adoption by product standards (clause 1.1), while IS 1570 (Part 7) 3Cr18Ni11H is commonly used for boilers, pressure vessels, steam turbines, steam and water piping and other power plant equipment working at elevated temperature. ASTM A959 S30430 is defined under ASTM International, originating from United States, while IS 1570 (Part 7) 3Cr18Ni11H is defined under Bureau of Indian Standards (IS), originating from India.

As per chemical composition, ASTM A959 S30430 vs IS 1570 (Part 7) 3Cr18Ni11H is a 90.6% 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 90.6%.

Frequently Compared With ASTM A959 S30430:
GOST 5632 08X18H10 EN 10088-1 1.4301 ASTM A959 .- IS 1570 (Part 7) 12Cr13H GB/T 3280 06Cr19Ni10 EN 10088-1 1.4006 EN 10088-1 1.4401 EN 10088-1 1.4845 GOST 5632 06Kh23N28 IS 1570 (Part 7) 12Cr12MoH IS 1570 (Part 7) 12Cr12MoVH IS 1570 (Part 7) 12Cr12Ni2Mo
Match Breakdown
CHEMISTRY MATCH
90.6%
MECHANICAL MATCH
No shared data
OVERALL
90.6%
Specifications
Property ASTM A959 S30430 IS 1570 (Part 7) 3Cr18Ni11H
Standard ASTM A959:2011 IS 1570 (Part 7):1992
Category Stainless Steel Stainless Steel
C (%) <=0.03 <=0.030
Cr (%) 17.0-19.0 17.00-19.00
Cu (%) 3.0-4.0 Not specified
Mn (%) <=2.00 <=2.00
Ni (%) 8.0-10.0 9.00-13.00
P (%) <=0.045 <=0.045
S (%) <=0.030 <=0.030
Si (%) <=1.00 <=1.00
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 S30430 IS 1570 (Part 7) 3Cr18Ni11H
Tensile Strength Not specified 490-690 MPa
Yield Strength Not specified >=175 MPa (0.2 % proof stress)
Elongation Not specified >=30%
Condition Not specified Tubes, forgings, plates, Q, thickness - (first row of Table 3)
Typical Applications
ASTM A959 S30430
Wrought stainless steel products; recommended composition limits for adoption by product standards (clause 1.1)
IS 1570 (Part 7) 3Cr18Ni11H
Boilers, pressure vessels, steam turbines, steam and water piping and other power plant equipment working at elevated temperature
Key Differences
Can ASTM A959 S30430 Be Substituted With IS 1570 (Part 7) 3Cr18Ni11H?
ASTM A959 S30430 and IS 1570 (Part 7) 3Cr18Ni11H overlap closely enough on chemistry and mechanical properties that IS 1570 (Part 7) 3Cr18Ni11H is often considered as a substitute for ASTM A959 S30430 in many applications. Always confirm the specific property range your application needs before substituting, and check with your supplier's mill certificate.
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ASTM A959 S30430
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IS 1570 (Part 7) 3Cr18Ni11H
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Frequently Asked Questions
What is the difference between ASTM A959 S30430 and IS 1570 (Part 7) 3Cr18Ni11H?
ASTM A959 S30430 specifies Cu which is not specified for IS 1570 (Part 7) 3Cr18Ni11H.
Can ASTM A959 S30430 be substituted with IS 1570 (Part 7) 3Cr18Ni11H?
ASTM A959 S30430 and IS 1570 (Part 7) 3Cr18Ni11H overlap closely enough on chemistry and mechanical properties that IS 1570 (Part 7) 3Cr18Ni11H is often considered as a substitute for ASTM A959 S30430 in many applications. Always confirm the specific property range your application needs before substituting, and check with your supplier's mill certificate.