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In stock grade 2205 duplex stainless steel sheet price
Duplex 2205
ASTM A 182, A 240, A 276, A 789, A 790, A 815 UNS S31803, S32205 NACE MR0175
Forms of Duplex 2205 Available at Mega Mex
- Sheet
- Plate
- Bar
- Pipe & Tube (welded & seamless)
- Fittings (i.e. flanges, slip-ons, blinds, weld-necks, lapjoints, long welding necks, socket welds, elbows, tees, stub-ends, returns, caps, crosses, reducers, and pipe nipples)
- Welding Wire and Welding Electrode
Duplex Overview
Duplex 2205 is a nitrogen enhanced duplex stainless steel that was developed to combat common corrosion problems encountered with the 300 series stainless steels. “Duplex” describes a family of stainless steels that are neither fully austenitic, like 304 stainless, nor purely ferritic, like 430 stainless. The structure of 2205 duplex stainless steel consists of austenite pools surrounded by a continuous ferrite phase. In the annealed condition, 2205 contains approximately 40-50% ferrite. Often referred to as the work horse grade, 2205 is the most widely used grade in the duplex family of stainless steels.
The advantage of a duplex structure is that it combines the favorable qualities of a ferritic alloy (stress corrosion cracking resistance and high strength) with those of an austenitic alloy (ease of fabrication and corrosion resistance).
Usage of 2205 Duplex stainless steel should be limited to temperatures below 600° F. Extended elevated temperature exposure can embrittle 2205 stainless.
Corrosion Resistance
2205 duplex stainless steel is a cost effective solution for many applications where the 300 series stainless steels are susceptible to chloride stress corrosion cracking. Stress corrosion cracking occurs when stainless steels are subjected to tensile stress, while in contact with solutions containing chlorides. Increasing temperatures also increase the susceptibility of stainless steels to stress corrosion cracking.
The combination of chromium, molybdenum and nitrogen convey the good resistance of 2205 to chloride pitting and crevice corrosion. This resistance is extremely important for services such as marine environments, brackish water, bleaching operations, closed loop water systems and some food processing applications. The high chromium, molybdenum and nitrogen contents of 2205 provide corrosion resistance superior to common stainless steels, such as, 316L and 317L in most environments
Chemical Composition, %
| Cr | Ni |
Mo |
C |
N |
|---|---|---|---|---|
22.0-23.0 |
4.50-6.50 |
3.00-3.50 |
.030 Max |
0.14-0.20 |
Mn |
Si |
P |
S |
Fe |
2.00 Max |
1.00 Max |
.030 Max |
.020 Max |
Balance |
In what applications is Duplex 2205 used?
- Chemical process vessels, piping and heat exchangers
- Pulp mill digesters, bleach washers, chip pre-steaming vessels
- Food processing equipment
- Oil field piping and heat exchangers
- Flue gas desulfurization equipment
ASTM Specifications
| Pipe Smls | Pipe Welded |
Tube Smls |
Tube Welded |
Sheet/Plate |
Bar |
Flanges, Fittings & Valves |
|---|---|---|---|---|---|---|
A790 |
A790 |
A789 |
A789 |
A240 |
A276 |
A182 |
Mechanical Properties Specified Tensile Properties ASTM A240
| Ultimate Tensile Strength, ksi Minimum | .2% Yield Strength, ksi Minimum |
Hardness Max. |
|---|---|---|
95 |
65 |
31 Rockwell C |
Duplex & Super Duplex Stainless Steel Grades
| Grade | UNS | ASTM/ASME | Werkstoff |
|---|---|---|---|
| Duplex | S31803 | A240 / F51 | 1.4462 |
| Super Duplex | S32750 | A240 / F55 | 1.4410 |
| Super Duplex | S32760 | A240 / F53 | 1.4501 |
| Lean Duplex | S32304 | A240 | 1.4362 |
| 6 Moly | S31254 | A240 / F44 | 1.4547 |
Duplex & Super Duplex Sheet, Plate, and Bar Inventory
| Grade | Sheet (mm) | Plate (mm) | Bar (mm) [Diameter] |
|---|---|---|---|
| UNS S31803 | 1.50 - 3.00 | 5.00 - 100.00 | 76.20 - 457.20 |
| UNS S32304 | 2.00 | 5.00 - 50.00 | - |
| UNS S32750 | 3.00 | 5.00 - 50.00 | 12.70 - 304.80 |
| UNS S32760 | - | 5.00 - 50.00 | 12.70 - 304.80 |
Contact |
If you have any question,please feel free to contact me mobile 86 15261579158 , mail:amy(@) we are sure your inquiry or requirements will get prompt attention. |
standard export package,suit for all kinds of transport,or as required .the packing photos you can see below:
- Company Name: Ningbo Hong-Steel Co., Ltd.
- Website: http://hong-steel.en.china.cn
- Contact :Amy
- Mobile Phone:
- 15261579158
- Address:
- Economic and Technological Development Zone,BeiLun NINGBO
- Zip:
- 315040
- Country/Region:
- China (Mainland)
- Province/State:
- Zhejiang
- City:
- Ningbo
Send Inquiry to This Supplier
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