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EDX 2304 Square Tube

Alternative and trade names
EN 1.4362, UNS S32304
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Description

EDX 2304 according to MDS D35 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 UNS 32304. EDX 2304 outruns both 1.4404 and 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.

Related Standards

Properties

Dimension

Thickness t

4 - 8 mm

Width w

60 - 250 mm

Mechanical

Elongation A

25 % at 20 °C

Impact strength, Charpy notched Ivnot

45 kJ/m² at -46 °C

Tensile strength Rm

630 MPa at 20 °C

Yield strength Rp0.2 Rp0.2

500 MPa at 20 °C

T<13MM

Chemical properties

Element

Weight %

Comment

Other

-

B: 35 PPM

Cr

22 - 24 %

Ni

3.5 - 5.5 %

Mn

2 %

Si

1 %

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Technological properties

Processing history

Solution annealing at 1020 – 1100°C followed by water quenching

Welding

Very good.

This material data has been provided by Sverdrup Steel.

All metrics apply to room temperature unless otherwise stated. SI units used unless otherwise stated.
Equivalent standards are similar to one or more standards provided by the supplier. Some equivalent standards may be stricter whereas others may be outside the bounds of the original standard.