Stainless Steel · Fittings · ASTM A815 WPS32205
Duplex 2205 Stainless Steel Fittings
In short: Duplex 2205 butt-weld fittings to ASTM A815 WPS32205, and forged fittings to A182 F51 / F60, complete A790 duplex piping.
- S32205
- UNS number
- 7.8
- density, g/cm³
- 3.1 / 3.2
- EN 10204 certificates
- 6
- Duplex 2205 product forms
Why this combination
Why Duplex 2205 in fittings
Duplex fittings have their own specification, A815, matching A790 pipe.
Weld with over-alloyed duplex filler to keep the weld's phase balance.
Specification
How to specify Duplex 2205 fittings
Butt-weld ½" – 48" (larger fabricated to order) in schedules matching the pipe; socket-weld and threaded ⅛" – 4" in Class 2000, 3000, 6000 and 9000
- Specification
- ASTM A815 WPS32205
- UNS
- S32205 / S31803
- EN / W.Nr.
- 1.4462
- Butt-weld
- A815 WPS32205, ASME B16.9
Sizes and weights
Duplex 2205 fittings sizes, weighed at 7.8 g/cm³
Other sizes on request. For general fittings information, such as manufacturing routes and end finishes, see the fittings guide.
Butt-weld ½" – 48" (larger fabricated to order) in schedules matching the pipe; socket-weld and threaded ⅛" – 4" in Class 2000, 3000, 6000 and 9000
Chemistry
Duplex 2205 composition
- UNS
- S32205 / S31803
- EN / W.Nr.
- 1.4462 · X2CrNiMoN22-5-3
- Density
- 7.8 g/cm³
- PREN
- 34 – 35
| Element | Limit, % | Why it matters |
|---|---|---|
| C | 0.030 max | |
| Mn | 2.00 max | |
| P | 0.030 max | |
| S | 0.020 max | |
| Si | 1.00 max | |
| Cr | 22.0 – 23.0 | |
| Ni | 4.5 – 6.5 | |
| Mo | 3.0 – 3.5 | |
| N | 0.14 – 0.20 |
Limits per ASTM A240 (S32205); other product forms and specifications differ slightly. Your order's specification and edition govern.
Questions
About Duplex 2205 fittings
Which fittings match duplex pipe?
A815 butt-weld fittings and A182 F51 / F60 forged fittings.
Are duplex fittings stocked?
Common sizes; others to order.
From enquiry to dispatch
How a Duplex 2205 fittings order runs
- 01 EnquiryGrade, specification, size, quantity
- 02 ReviewChecked against your standard
- 03 InspectPMI, dimensions, TPI if required
- 04 CertifyEN 10204 3.1 / 3.2, heat traceable
- 05 ShipPacked and documented for the destination
Need Duplex 2205 fittings?
Send size, quantity, specification and destination. We reply with availability, certificates and delivery.