S31803 Duplex Stainless Steel Plate Duplex S31803 Composition UNS S31803 Duplex Stainless Steel

Standards

ASTM/ASME ................A240 UNS S32205/S31803

EURONORM ................1.4462 X2CrNiMoN 22.5.3

AFNOR..........................Z3 CrNi 22.05 AZ

DIN ..............................W.Nr 1.4462

now includes Duplex 2205 (UNS S32205 / S31803), in sheet, sheet coil, plate, plate coil, round bar, processed flat bar and tubular products. Duplex 2205 is ideally suited for high-pressure and highly corrosive environments.

Prime quality & Fast delivery

Our Quality Assurance engineers secure the quality standards of our state-of-the-art machines for fast and efficient delivery of products to our customers.

We can tailor/cut fit for customer product specification.

Chemical Properties

Mechanical Properties

Corrosion Resitance

1. Due to its high chromium, molybdenum, and nitrogen content, Duplex 2205 demonstrates superior corrosion resistant properties to 316 and 316L in most environments
2. Chromium, molybdenum, and nitrogen content also provide high resistance to pitting and crevice corrosion, even in oxidizing and acidic solutions
3. Resistant to chloride stress corrosion cracking and temperatures of up to about 302°F (150°C)
4. The presence of ferrite provides for good performance of Duplex 2205 in caustic environments

Heat Resitance

1. Similar to other duplex stainless steels, Duplex 2205 has good oxidation resistance at high temperatures
2. Subject to embrittlement when exposed to temperatures above 572°F (300°C) even when exposed for short periods of time; Duplex 2205 is therefore not recommended for use above 572°F (300°C)

Machinability

Duplex 2205 is somewhat more difficult to machine than the 300 series austenitic stainless steels. Higher cutting forces are required and more rapid tool wear is typical. Some guidelines for machining are: A) Use powerful, rigid machines with extremely strong rigid mounting of tools and work piece, B) Minimize vibration by keeping the tool extension as short as possible, C) Use a nose radius on the tool, no longer than necessary, for carbides that have a sharp edge while still providing adequate strength, D) Design machining sequences to always provide for a depth of cut below the work hardened layer resulting from the previous passes

Shipping

Standard export package with water proof paper, and metal pallet, and angle bar protection, and steel strip or as required

20ft GP: 5.8m(length) x 2.13m(width) x 2.18m(high) about 24-26CBM, 23MTS

40ft GP: 11.8m(length) x 2.13m(width) x 2.18m(high) about 54CBM, 27MTS

40ft HG: 11.8m(length) x 2.13m(width) x 2.72m(high) about 68CBM, 27MTS

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