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Duplex 2205 Stainless Steel Channel for Marine and Chloride Structures
| MOQ: | 5Ton |
| Price: | Based on grade, size, surface, processing, quantity and current raw material market price. |
| Standard Packaging: | Standard seaworthy export packing with bundles, waterproof wrapping, pallets or wooden cases. |
| Delivery Period: | 7-15 |
| Payment Method: | L/C,D/A,D/P,T/T |
| Supply Capacity: | Stock supply, regular production and custom manufacturing available. |
Shaanxi Shangyou Stainless Steel Co., Ltd. supplies duplex 2205 stainless steel channel for international B2B projects that require corrosion-resistant structural geometry, dimensional traceability and clear inspection documentation. Buyers should define the product by complete section dimensions rather than by a nominal name alone. For this page, the key RFQ geometry is H × B × Tw × Tf. Length, quantity, surface condition, tolerance and the intended service environment should be stated before quotation so the actual production route can be selected.
The governing standard depends on how the section is produced. ASTM A276/A276M for applicable hot-rolled or extruded shapes; ASTM A484/A484M general requirements; EN 10088-3 for general-purpose European section delivery. ASTM A1069 applies if the ordered profile is laser or laser-hybrid welded. This distinction is important because a material delivery standard does not replace a structural design code, and a hot-rolled specification should not be automatically assigned to a cold-formed or welded built-up shape. The quotation and MTC should identify the agreed product route and standard revision.
Manufacturing may use hot rolled/extruded, formed from plate/strip or laser welded depending geometry. The route affects corner radius, weld appearance, straightness, dimensional flexibility and cost. Hot-rolled or extruded profiles normally show natural mill radii; formed profiles show bend radii; laser-welded built-up sections can provide sharper corners and independent web/flange thicknesses. If the profile is architecturally exposed, specify weld dressing, grain direction, polishing and surface protection before production.
Material selection on this page focuses on 2205, UNS S32205 / EN 1.4462, a austenitic-ferritic duplex stainless steel. It provides higher strength plus improved resistance to chloride pitting, crevice corrosion and chloride stress-corrosion cracking compared with common austenitic grades. However, welding heat input, phase balance and service temperature need tighter control; severe warm seawater can require super duplex. Welding procedure, surface cleaning, crevice design, process chemistry and temperature remain part of the engineering assessment; the grade name alone should never be used as a universal corrosion guarantee.
Typical applications include Equipment frames, Platforms and supports, Process-plant structures, Architectural framing. Shangyou can coordinate cut-to-length, dimensional inspection, PMI, heat-number traceability and export packing, with project-specified NDT or third-party inspection where required. For an efficient RFQ, send grade, standard, H × B × Tw × Tf, length, quantity, surface, manufacturing-route preference, inspection documents and destination. For load-bearing members, the project engineer must separately confirm design capacity and connection requirements.
- Equipment frames
- Platforms and supports
- Process-plant structures
- Architectural framing
- Machine bases
- Marine fabrication
Engineering note: 2205 combines high strength and chloride resistance but requires welding/process control. Service temperature, phase balance and severe seawater conditions still require engineering review.
| Price Basis | Based on grade, geometry, manufacturing route, surface, length, quantity, processing, inspection and raw-material market conditions. |
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| Supply / Lead Time | Confirmed in quotation according to stock, regular production or made-to-order status. |
| Packing | Bundled with protective wrapping and suitable supports; extra separators/protection for finished surfaces. |
| Payment | T/T, L/C or other agreed terms subject to quotation and contract. |
| After-Sales / Claims | Handled against contract specification, heat number, MTC, inspection records and agreed acceptance criteria. |
| REQUEST A QUOTE | SEND SIZE LIST | UPLOAD DRAWING / MTO | REQUEST MTC 3.1
RFQ: Grade + Standard + Section Dimensions + Length + Quantity + Surface + Inspection + Destination |
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Send grade, governing standard, H × B × Tw × Tf, length, quantity, surface, tolerance, manufacturing route and inspection/document requirements. A drawing is preferred for non-standard sections.
ASTM A276/A276M for applicable hot-rolled or extruded shapes; ASTM A484/A484M general requirements; EN 10088-3 for general-purpose European section delivery. ASTM A1069 applies if the ordered profile is laser or laser-hybrid welded.
Custom dimensions can be evaluated according to the selected hot rolled/extruded, formed from plate/strip or laser welded depending geometry route. Feasibility depends on thickness, section stiffness, corner requirements, length and quantity.
Cut-to-length and secondary fabrication can be quoted from drawings. State hole diameter, location, edge distance, tolerance, end condition and any deburring or surface-restoration requirement.
2205 is commonly specified as UNS S32205 / EN 1.4462 and is a austenitic-ferritic duplex stainless steel. It provides higher strength plus improved resistance to chloride pitting, crevice corrosion and chloride stress-corrosion cracking compared with common austenitic grades; selection still depends on the real environment.
PMI and MTC / EN 10204 3.1 can be specified for alloy verification and traceability. State whether sampling, 100% PMI or third-party witness is required.
Yes, project inspection can be arranged when the method, extent, acceptance criteria, document format and witness/hold points are defined before production.
Long profiles are normally bundled with suitable supports and protective wrapping. Finished or visible surfaces may require separators, film or additional protection against abrasion.
Welding heat input, phase balance and service temperature need tighter control; severe warm seawater can require super duplex. Confirm chloride level, temperature, crevices, weld condition and design life before final material selection.
Price depends on alloy grade, section geometry, production route, length, quantity, surface finish, machining, inspection, packing and current raw-material conditions.
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