New: Duplex 2205 seamless pipes now in stock - ready to dispatchLearn more
Stancor Tubulars
Compare

Grade Comparison Tool

Compare chemical composition, mechanical properties, and international standard equivalents side by side. Differences highlighted in gold.

Select Grades to Compare

Lean Duplex Stainless Steel

Duplex 2304

UNS: S32304 | Werkstoff: 1.4362

ASTM: S32304

Austenitic Stainless Steel

SS 316 / 316L

UNS: S31600 / S31603 | Werkstoff: 1.4401 / 1.4404

ASTM: TP316 / TP316L

13 differences found

9 in chemical composition, 4 in mechanical properties. Differences highlighted in gold.

Chemical Composition (% max unless range)

9 differences
ElementDuplex 2304SS 316 / 316LMatch
C0.030 max0.08 / 0.030 max
Mn2.50 max2.00 max
Si1.00 max0.75 max
P0.040 max0.045 max
S0.030 max0.030 max
Cr21.5-24.516.0-18.0
Ni3.0-5.510.0-14.0
Mo0.05-0.602.0-3.0
N0.05-0.20-
Cu0.05-0.60-

Mechanical Properties

4 differences
PropertyDuplex 2304SS 316 / 316LMatch
Tensile Strength600 MPa min515 / 485 MPa min
Yield Strength400 MPa min205 / 170 MPa min
Elongation25% min35% min
Hardness290 HBW max95 HRB max

International Standard Equivalents

StandardDuplex 2304SS 316 / 316L
UNS NumberS32304S31600 / S31603
Werkstoff Nr.1.43621.4401 / 1.4404
EN NameX2CrNiN23-4X5CrNiMo17-12-2 / X2CrNiMo17-12-2
ASTM / ASMES32304TP316 / TP316L
JIS (Japan)-SUS 316 / SUS 316L
BS (British)-316S31 / 316S11
GOST (Russia)-08Kh17N13M2 / 03Kh17N14M2
EN (European)1.4362-
Applicable StandardsASTM A789 / ASME SA789, ASTM A790 / ASME SA790, DIN EN 10216-5ASTM A312 / ASME SA312, ASTM A213 / ASME SA213, ASTM A269, DIN EN 10216-5
Approvals & CertificationsISO 9001:2015ISO 14001:2015PED 2014/68/EUIBR ApprovedEIL ApprovedADNOC Approved