Stainless Steel

Our stainless production range

Machining High alloy duplex steels, similar to S31803/S32205, are usually harder to machine than conventional austenitic stainless steels similar to .5. Duplex steels have a considerably different property profile than extremely alloyed austenitic stainless steels. The main difference is that duplex grades are comparatively easier to machine with excessive pace steel instruments than with cemented carbide tools, in comparison with austenitic stainless steels with an identical alloy content. Duplex UNS S31803/S32205 is extremely immune to acetic, formic and other natural acids and compounds. It is especially suitable for the higher concentrations and temperatures the place pitting and preferential corrosion are common causes of failure with most standard austenitic stainless steels in the presence of chlorides and different impurities.

Their microstructures encompass a mix of austenite and ferrite phases. As a outcome, duplex stainless steels show properties characteristic of each austenitic and ferritic stainless steels. This combination of properties can imply some compromise compared with pure austenitic and pure ferritic grades. Duplex 2205 (UNS S31803 / UNS S32205) also called 1.4462 Duplex is a non-commonplace and popular grade of Stainless Steel. Thus, Duplex 2205 should be procured solely from trusted distributors like Oshwin Overseas.

Duplex Stainless Steel Bar

2205 is duplex stainless-steel with almost equal austenite and ferrite chemical composition. This combination makes the alloy stronger than common austenitic steels. Duplex stainless steels like 2205 usually preserve good weldability in their thickest parts, and they’re much more resistant than strange austenitic steels to emphasize corrosion cracking. The Duplex 2205 Plate is 3% molybdenum, 22% chromium, 5-6% nickel alloyed stainless-steel plate, with high-stress resistance characteristics, excessive energy, and excellent resistance to impact. Duplex 2205 is a two-section, ferritic, austenitic 22% chromium, 3% molybdenum, 5 to 6% nickel alloyed stainless steel.

Alloy 2205 duplex stainless steel plate provides pitting and crevice corrosion resistance superior to 316L or 317L austenitic stainless steels in virtually all corrosive media. It also has excessive corrosion and erosion fatigue properties as well as lower thermal expansion and better thermal conductivity than austenitic.

• The 2205 alloy offers better corrosion resistance in varied environments where 316L is generally used with an added benefit of its larger yield energy.
• The alloy has additionally been applied as a shaped and welded sheet product in environments the place resistance to common corrosion and chloride stress corrosion cracking is essential.
• The 2205 is the most extensively used of the duplex stainless steels occupying more than 80% of the duplex chrome steel market.
• All 2205 alloys are metallographically examined to make sure that the shipped product is free from presence of detrimental phases corresponding to sigma.

Width: 1000mm,1219mm,125mm0,1500mm,2000mm,or required

We have thousands tons stock of stainless steel sheet and coil with various size and grade,mainly include austenitic stainless steel, martens stainless steel (including precipitation hardened stainless steel sheet & coil), ferritic stainless steel, and duplex stainless steel.

Characteristics of Stainless Steel Sheet and Plate:
High corrosion resistance
High strength
High toughness and impact resistance
Temperature resistance
High workability, including machining, stamping, fabricating and welding
Smooth surface finish that can be easily clean

Alloy 2205 duplex stainless steel plate possesses good weldability. The aim of welding 2205 is that the weld steel and heat-affected zone retain the corrosion resistance, power, and toughness of the base metallic. The welding of 2205 isn’t difficult, but it’s necessary to design welding procedures that lead to a positive part balance after welding and will keep away from precipitation of detrimental intermetallic or nonmetallic phases. Even in chloride and sulphide environments, duplex stainless steels exhibit very excessive resistance to stress corrosion cracking.

We produce ASTM/ASME Grade 304, Grade 304L,304h, 316, 316L, 316H, 316TI, 321, 321H, 309S, 309H, 310S, 310H, 410S, 2205, 904L, 2507, 254, gh3030, 625, 253MA, S30815, 317L, Type 317, 316lN, 8020, 800, 800H, C276, S32304 and others special requirement stainless steel grade.

The mixture of chromium, molybdenum, and nitrogen provides good chloride tolerance and crevices corrosion resistance of 2205. When hot forming is required, the workpiece ought to be heated uniformly and worked within the range of 1750 to 2250°F. Alloy 2205 duplex stainless steel plate is quite soft at these temperatures and is instantly formed. Immediately beneath this range, the austenite becomes considerably stronger than the ferrite and will cause cracking, a particular danger to “cold” edges.

It is the most widely used duplex stainless steel grade and is characterized by high yield energy, double that of the standard austenitic chrome steel grades. It additionally demonstrates good fatigue strength, in addition to outstanding resistance to emphasize corrosion cracking, crevice, pitting, erosion, and common corrosion in severe environments. In a variety of distributors, Duplex 2205 plate has confirmed robust formability. Although the machinery is efficient sufficient, the high strength of the grade includes a supply for stronger spring-back.