Stainless Steel · Fittings · ASTM A403 WP316Ti
SS 316Ti Stainless Steel Fittings
In short: 316Ti / 1.4571 fittings, butt-weld to ASTM A403 WP316Ti or EN 10253-4 and forged to A182 F316Ti, match 1.4571 piping systems.
- S31635
- UNS number
- 8
- density, g/cm³
- 3.1 / 3.2
- EN 10204 certificates
- 6
- SS 316Ti product forms
Why this combination
Why SS 316Ti in fittings
Complete 1.4571 piping systems need matching fittings; EN 10253-4 is the European standard for stainless butt-weld fittings.
Check dimensional standard (ASME B16.9 or EN) matches the pipe.
Specification
How to specify SS 316Ti 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 A403 WP316Ti (butt-weld); A182 F316Ti (forged)
- UNS
- S31635
- EN / W.Nr.
- 1.4571
- Butt-weld
- A403 WP316Ti or EN 10253-4
- Forged
- A182 F316Ti
Sizes and weights
SS 316Ti fittings sizes, weighed at 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
SS 316Ti composition
- UNS
- S31635
- EN / W.Nr.
- 1.4571 · X6CrNiMoTi17-12-2
- Density
- 8 g/cm³
- PREN
- 23 – 25
| Element | Limit, % | Why it matters |
|---|---|---|
| C | 0.08 max | |
| Mn | 2.00 max | |
| P | 0.045 max | |
| S | 0.030 max | |
| Si | 0.75 max | |
| Cr | 16.0 – 18.0 | |
| Ni | 10.0 – 14.0 | |
| Mo | 2.00 – 3.00 | |
| Ti | 5×(C+N) – 0.70 | |
| N | 0.10 max |
Limits per ASTM A240; other product forms and specifications differ slightly. Your order's specification and edition govern.
Questions
About SS 316Ti fittings
Do you supply EN 10253-4 fittings?
Yes, on request, in 1.4571.
ASME or EN dimensions?
Either, matched to the pipe standard.
From enquiry to dispatch
How a SS 316Ti 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 SS 316Ti fittings?
Send size, quantity, specification and destination. We reply with availability, certificates and delivery.