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

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

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

As per chemical composition, IS 1570 (Part 7) 3Cr18Ni11H vs ASTM A959 S30430 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 IS 1570 (Part 7) 3Cr18Ni11H:
ASTM A959 201L 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) 11Cr17Ni13W3TiH IS 1570 (Part 7) 12Cr12MoVH EN 10088-1 1.4845 IS 1570 (Part 7) 12Cr12MoH
Match Breakdown
CHEMISTRY MATCH
90.6%
MECHANICAL MATCH
No shared data
OVERALL
90.6%
Specifications
Property IS 1570 (Part 7) 3Cr18Ni11H ASTM A959 S30430
Standard IS 1570 (Part 7):1992 ASTM A959:2011
Category Stainless Steel Stainless Steel
C (%) <=0.030 <=0.03
Si (%) <=1.00 <=1.00
Mn (%) <=2.00 <=2.00
P (%) <=0.045 <=0.045
S (%) <=0.030 <=0.030
Cr (%) 17.00-19.00 17.0-19.0
Ni (%) 9.00-13.00 8.0-10.0
Cu (%) Not specified 3.0-4.0
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) 3Cr18Ni11H ASTM A959 S30430
Tensile Strength 490-690 MPa Not specified
Yield Strength >=175 MPa (0.2 % proof stress) Not specified
Elongation >=30% Not specified
Condition Tubes, forgings, plates, Q, thickness - (first row of Table 3) Not specified
Typical Applications
IS 1570 (Part 7) 3Cr18Ni11H
Boilers, pressure vessels, steam turbines, steam and water piping and other power plant equipment working at elevated temperature
ASTM A959 S30430
Wrought stainless steel products; recommended composition limits for adoption by product standards (clause 1.1)
Key Differences
Can IS 1570 (Part 7) 3Cr18Ni11H Be Substituted With ASTM A959 S30430?
IS 1570 (Part 7) 3Cr18Ni11H and ASTM A959 S30430 overlap closely enough on chemistry and mechanical properties that ASTM A959 S30430 is often considered as a substitute for IS 1570 (Part 7) 3Cr18Ni11H 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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IS 1570 (Part 7) 3Cr18Ni11H
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ASTM A959 S30430
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Frequently Asked Questions
What is the difference between IS 1570 (Part 7) 3Cr18Ni11H and ASTM A959 S30430?
ASTM A959 S30430 specifies Cu which is not specified for IS 1570 (Part 7) 3Cr18Ni11H.
Can IS 1570 (Part 7) 3Cr18Ni11H be substituted with ASTM A959 S30430?
IS 1570 (Part 7) 3Cr18Ni11H and ASTM A959 S30430 overlap closely enough on chemistry and mechanical properties that ASTM A959 S30430 is often considered as a substitute for IS 1570 (Part 7) 3Cr18Ni11H in many applications. Always confirm the specific property range your application needs before substituting, and check with your supplier's mill certificate.