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JIS G4304 SUS323L vs IS 1570 (Part 7) 12Cr12Ni2Mo

Minimal Match — 29.7% match based on chemical composition and mechanical property overlap.

JIS G4304 SUS323L (JIS G4304:2021) and IS 1570 (Part 7) 12Cr12Ni2Mo (IS 1570 (Part 7):1992) are both steel grades. Both fall under the Stainless Steel category. JIS G4304 SUS323L is typically used for hot-rolled stainless steel plates and strips, while IS 1570 (Part 7) 12Cr12Ni2Mo is commonly used for boilers, pressure vessels, steam turbines, steam and water piping and other power plant equipment working at elevated temperature. JIS G4304 SUS323L is defined under Japanese Industrial Standards (JIS), originating from Japan, while IS 1570 (Part 7) 12Cr12Ni2Mo is defined under Bureau of Indian Standards (IS), originating from India.

As per chemical composition, JIS G4304 SUS323L vs IS 1570 (Part 7) 12Cr12Ni2Mo is a 44.5% match. As per mechanical properties, the match is 0%. Combined, this makes them a minimal match overall at 29.7%.

Frequently Compared With JIS G4304 SUS323L:
ASTM A959 2304 ASTM A959 .- EN 10088-1 1.4301 EN 10088-1 1.4401 EN 10088-1 1.4845 GB/T 3280 06Cr19Ni10 GOST 5632 06Kh23N28 GOST 5632 08X18H10 EN 10088-1 1.4006 IS 1570 (Part 7) 11Cr17Ni13W3TiH IS 1570 (Part 7) 12Cr12MoH IS 1570 (Part 7) 12Cr12MoVH
Match Breakdown
CHEMISTRY MATCH
44.5%
MECHANICAL MATCH
0%
OVERALL
29.7%
Specifications
Property JIS G4304 SUS323L IS 1570 (Part 7) 12Cr12Ni2Mo
Standard JIS G4304:2021 IS 1570 (Part 7):1992
Category Stainless Steel Stainless Steel
C (%) <=0.030 0.08-0.16
Si (%) <=1.00 <=0.35
Mn (%) <=2.50 0.50-0.90
P (%) <=0.040 <=0.040
S (%) <=0.030 <=0.030
Ni (%) 3.00-5.50 2.0-3.0
Cr (%) 21.50-24.50 11.0-12.5
Mo (%) 0.05-0.60 1.5-2.00
Cu (%) 0.05-0.60 Not specified
N (%) 0.05-0.20 0.02-0.04
V (%) Not specified 0.25-0.40
Matched by chemical composition and mechanical properties, not a formal equivalence claim. Always verify against the applicable standard before substitution.
Mechanical Properties
Property JIS G4304 SUS323L IS 1570 (Part 7) 12Cr12Ni2Mo
Tensile Strength >=600 MPa 930-1130 MPa
Yield Strength >=400 MPa >=785 MPa (0.2 % proof stress)
Elongation >=20% >=14%
Hardness <=290 HB Not specified
Condition Solution heat treated plate and strip, thickness up to 2.0 mm for elongation; proof strength applies only when specified Bars, forgings, Q+T, thickness up to 150 (first row of Table 3)
Typical Applications
JIS G4304 SUS323L
Hot-rolled stainless steel plates and strips
IS 1570 (Part 7) 12Cr12Ni2Mo
Boilers, pressure vessels, steam turbines, steam and water piping and other power plant equipment working at elevated temperature
Key Differences
Can JIS G4304 SUS323L Be Substituted With IS 1570 (Part 7) 12Cr12Ni2Mo?
JIS G4304 SUS323L and IS 1570 (Part 7) 12Cr12Ni2Mo 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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JIS G4304 SUS323L
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IS 1570 (Part 7) 12Cr12Ni2Mo
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Frequently Asked Questions
What is the difference between JIS G4304 SUS323L and IS 1570 (Part 7) 12Cr12Ni2Mo?
JIS G4304 SUS323L specifies Cu which is not specified for IS 1570 (Part 7) 12Cr12Ni2Mo. IS 1570 (Part 7) 12Cr12Ni2Mo specifies V which is not specified for JIS G4304 SUS323L.
Can JIS G4304 SUS323L be substituted with IS 1570 (Part 7) 12Cr12Ni2Mo?
JIS G4304 SUS323L and IS 1570 (Part 7) 12Cr12Ni2Mo 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.