Duplex 2205
UNS S31803 / S32205
Chloride-exposed bolts · pump and valve parts
Specify UNS, product form and governing standard. ASTM A182 F51 is a forging designation, not a blanket finished-bolt specification.

Duplex 2205 fastener and machined-component enquiries for Australian and international industrial projects, with condition, inspection and lead time confirmed against your specification.
Request a QuoteGrade · condition · drawing · traceability
2205 duplex stainless combines austenitic and ferritic phases. UNS S31803 and S32205 are related but separately defined designations; the purchase specification must identify the permitted grade.
EMG reviews Duplex 2205 requirements through qualified supply partners. Include the drawing revision, quantity, material condition and required site date so sourcing and documentation can be defined before an order is placed.
Explore the materials reference
UNS S31803 / S32205
Chloride-exposed bolts · pump and valve parts
Specify UNS, product form and governing standard. ASTM A182 F51 is a forging designation, not a blanket finished-bolt specification.
Reference designations are not stock, certified equivalence or guaranteed service suitability. Final product requirements govern every quotation.

Drawing-defined bolting, shafts and valve parts in chloride-exposed equipment where duplex 2205 has been selected by the designer.

Studs, hex bolts and companion nuts in Duplex 2205 to the approved drawing. Confirm thread form, length, mating material and any coating requirements.

Shafts, sleeves, collars and valve parts supplied through qualified manufacturing partners. Fits, surface finish, treatment and usable capacity are confirmed per enquiry.
Specify UNS, product form and governing standard. ASTM A182 F51 is a forging designation, not a blanket finished-bolt specification.
Do not infer dual certification between S31803 and S32205. Heat treatment, phase balance and required corrosion tests need appropriate records.
State the required chemical, mechanical, hardness and dimensional records. Request EN 10204 3.1 / 3.2, PMI or witness inspection where the project requires them; the quotation must identify the agreed scope.
For Duplex 2205 fasteners or machined components, send your drawing, quantity, material condition and required delivery date. EMG confirms sourcing, partner capacity, inspection records and lead time against your RFQ.
Revision, thread form, fits and surface finish.
UNS, product standard, heat treatment and service requirements.
Specify EN 10204 3.1 / 3.2, PMI and witness requirements where applicable.
Managed supply through qualified partners; no claim of EMG-owned machinery or guaranteed stock.
Producer references support alloy identification; the approved drawing and governing specification control acceptance. INCONEL and NITRONIC are trademarks of their respective owners. No authorised affiliation is implied.