EN 1.4362 / LEAN DUPLEX UNS S32304 / EDX 2304
MATERIAL DESCRIPTION FOR EDX 2304 / 1.4362 / LEAN DUPLEX UNS S32304
Lean Duplex Stainless Steel according to NORSOK M-120 MDS YD35 has an improved balanced chemistry of chromium, molybdenum and nitrogen content, resulting in a PRE value ≥ 28 and increased mechanical strength compared to the standard EN 1.4362 / UNS 32304. This grade outruns AISI 316L acc. to both EN 1.4404 & EN 1.4436 with respect to pitting corrosion resistance. Due to risk of embrittlement, duplex steels should not be used at temperatures above 250 – 325°C.
Table of Content
- Applications
- Mechanical properties
- Chemical composition
- Product standards
- Our stock
Applications
The main applications for 1.4362 / Lean Duplex UNS S32304 / EDX 2304 are for details with special requirements for high corrosion resistance.
S32304 is characterized by:
• Good resistance to stress corrosion cracking.
• Good resistance to pitting and crevice corrosion.
• High resistance to general corrosion.
• High mechanical strength.
• High resistance to erosion corrosion and corrosion fatigue.
Heat Treatment
Solution annealing at 1020 – 1100°C followed by water quenching
Weldability
Very good.
Chemical composition
Weight % | C | Si | Mn | S | P | Cr | Ni | Mo | N | Cu | B |
Min. | 22,00 | 3,50 | 0,10 | 0,05 | 0,10 | ||||||
Max. | 0,030 | 1,00 | 2,00 | 0,015 | 0,035 | 24,00 | 5,50 | 0,60 | 0,20 | 0,60 | 35 ppm |
Product Standards:
Norsok M-120:2021 and MDS YD35 Rev. 0
ASTM A240:2022
EN 10028-7:2016, EN 10088-2:2014, EN 10088-4:2009
NACE MR0175/ISO 15156-3:2020, NACE MR0103/ISO 17945:2015
AD2000-W2/W10 – VdTüV 496
Mechanical properties
Yield strength Rp0.2, MPa |
Tensile strength Rm, MPa |
Elongation [%] |
Hardness [HB] |
Impact, Charpy-V, -46ºC [J] |
Pre | |
PLATE CR (COIL) | ≥ 500 | ≥ 690 | ≥ 25 | ≥ 45 | ≥ 28 | |
PLATE HR (COIL) | ≥ 500 | ≥ 690 | ≥ 25 | ≤ 290 | ≥ 45 | ≥ 28 |
PLATE (QUARTO) | ≥ 450 | ≥ 650 | ≥ 25 | ≤ 290 | ≥ 45 | ≥ 28 |
ANGLE BAR | ≥ 450 | ≥ 600 | ≥ 25 | ≤ 290 | ≥ 45 | ≥ 28 |
Plate stock
MEASUREMENTS | KG/PLATE |
1,5 X 1500 X 3000 MM | 54 |
2 X 1500 X 3000 MM | 72 |
2 X 2000 X 6000 MM | 192 |
3 X 1500 X 3000 MM | 108 |
3 X 1500 X 6000 MM | 216 |
3 X 2000 X 6000 MM | 288 |
4 X 1500 X 3000 MM | 144 |
4 X 1500 X 6000 MM | 288 |
4 X 2000 X 6000 MM | 384 |
5 X 1500 X 3000 MM | 180 |
5 X 1500 X 6000 MM | 360 |
5 X 2000 X 6000 MM | 480 |
6 X 1500 X 3000 MM | 216 |
6 X 1500 X 6000 MM | 432 |
6 X 2000 X 6000 MM | 576 |
8 X 1500 X 3000 MM | 297 |
8 X 1500 X 6000 MM | 593 |
8 X 2000 X 6000 MM | 791 |
10 X 1500 X 3000 MM | 371 |
10 X 1500 X 6000 MM | 742 |
10 X 2000 X 6000 MM | 989 |
12 X 1500 X 3000 MM | 445 |
12 X 2000 X 6000 MM | 1187 |
15 X 1500 X 3000 MM | 556 |
15 X 1500 X 6000 MM | 1112 |
15 X 2000 X 6000 MM | 1484 |
20 X 1500 X 3000 MM | 742 |
20 X 1500 X 6000 MM | 1483 |
20 X 2000 X 6000 MM | 1978 |
25 X 1500 X 3000 MM | 927 |
25 X 1500 X 6000 MM | 1854 |
25 X 2000 X 6000 MM | 2472 |
30 X 1500 X 3000 MM | 1112 |
30 X 1500 X 6000 MM | 2225 |
30 X 2000 X 6000 MM | 2966 |
35 X 1500 X 3000 MM | 1298 |
40 X 1500 X 3000 MM | 1483 |
40 X 2000 X 6000 MM | 3955 |
50 X 1500 X 3000 MM | 1854 |
50 X 2000 X 6000 MM | 4944 |
Hollow section stock
MEASUREMENTS | KG/M |
50 X 50 X 4 MM | 5.96 |
60 X 60 X 4 MM | 7.25 |
80 X 80 X 5 MM | 12.13 |
100 X 100 X 6 MM | 17.76 |
120 X 80 X 6 MM | 17.34 |
120 X 120 X 6 MM | 21.60 |
150 X 100 X 6 MM | 23.02 |
150 X 150 X 6 MM | 27.36 |
200 X 200 X 8 MM | 49.43 |
250 X 250 X 8 MM | 61.95 |
Hot rolled angle stock
MEASUREMENTS | KG/M |
50 X 50 X 5 MM | 3.85 |
60 X 60 X 6 MM | 5.53 |
80 X 80 X 8 MM | 9.85 |
100 X 100 X 10 MM | 15.40 |
Coil stock
1500 MM | 2000 MM |
---|---|
1,5 mm | 3 mm |
2 mm | 4 mm |
3 mm | 5 mm |
4 mm | 6 mm |
5 mm | |
6 mm |
H-beam
MEASUREMENTS |
100 X 100 X 6 X 8 MM |
150 X 150 X 8 X 10 MM |
200 X 200 X 8 X 12 MM |
250 X 250 X 10 X 15 MM |
300 X 300 X 10 X 15 MM |
350 X 350 X 12 X 20 MM |
Equivalent Standards
- EN 1.4362
- UNS S32304
- EDX 2304