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JIS G4304:2021 SUS327L1 Steel: Specifications & Listings

JIS G4304:2021 SUS327L1: SUS327L1: austenitic-ferritic (duplex) stainless steel, hot-rolled plate, sheet and strip. Specified in JIS G 4304:2021.

Category: Stainless Steel
Grade Details
GradeJIS G4304:2021 SUS327L1
Standard JIS G4304:2021
ApplicationsHot-rolled stainless steel plates and strips
Equivalent / Similar Grades
Grade Standard Region Live on M-EX
ASTM A959 S32520 ASTM A959:2011 USA No activity yet
ASTM A959 2507 ASTM A959:2011 USA No activity yet
ASTM A240/A240M S32750 ASTM A240/A240M:2025 USA No activity yet
EN 10088-1 X2CrNiMoN25-7-4 EN 10088-1:2014 Europe (CEN) No activity yet
EN 10088-1 X2CrNiMoCuN25-6-3 EN 10088-1:2014 Europe (CEN) No activity yet
Grade ComparisonCompare With a Specific Grade →
Grade Standard Match
ASTM A959 2507 ASTM A959:2011 Strong Match
ASTM A240/A240M S32750 ASTM A240/A240M:2025 Strong Match
ASTM A959 S32520 ASTM A959:2011 Strong Match
ASTM A276/A276M S32750 ASTM A276/A276M:2017 Strong Match
EN 10088-1 X2CrNiMoN25-7-4 EN 10088-1:2014 Strong Match
EN 10088-1 X2CrNiMoN25-7-4 EN 10088-1:2023 Strong Match
EN 10088-1 X2CrNiMoCuN25-6-3 EN 10088-1:2014 Strong Match
EN 10088-1 X2CrNiMoCuN25-6-3 EN 10088-1:2023 Strong Match
Matched by chemical composition and mechanical properties, not a formal equivalence claim. Always verify against the applicable standard before substitution.
Chemical Composition (%)
C Si Mn P S Ni Cr Mo Cu N
<=0.030 <=0.80 <=1.20 <=0.035 <=0.020 6.00-8.00 24.00-26.00 3.00-5.00 <=0.50 0.24-0.32
Mechanical Properties
Tensile Strength >=795 MPa
Yield Strength >=550 MPa
Elongation >=15%
Hardness <=310 HB
Condition Solution heat treated plate and strip; proof strength applies only when specified by the purchaser

More data from JIS G4304:2021

From the standard
Mechanical properties, solution heat treated 3 values
0.2 percent proof strength, min
550 MPa
Tensile strength, min
795 MPa
Elongation, min
15 %
0.2 percent proof strength applies only when specified by the purchaser. 1 N/mm2 = 1 MPa.
Source: JIS G 4304:2021, Table 10
Hardness, solution heat treated 3 scales
Brinell hardness HBW, max
310
Rockwell HRC, max
32
Vickers hardness HV, max
330
Any one of the hardness scales applies; if not specified the manufacturer selects. HRBW is used in case of dispute.
Source: JIS G 4304:2021, Table 10
Heat treatment (example, informative) 1 setting
Solution heat treatment
1025 to 1125 deg C, rapid cooling
Annex JA is informative; temperatures are examples.
Source: JIS G 4304:2021, Table JA.2

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