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Molybdenum-Bearing Austenitic Filler
ER316 wire for molybdenum-alloyed stainless fabrication and repair
ER316 is a molybdenum-bearing austenitic stainless filler-metal classification used where the approved procedure calls for the ER316 composition. Corrosion performance is controlled by the full weld system, including base metal, shielding, heat input, surface cleaning, contamination control and exposure conditions.
ClassificationER316
Primary useMolybdenum-alloyed stainless joints
Supply routeSpool wire & cut rods
Request ER316 stainless steel welding wire with the required standard, dimensions, tolerance, finish, inspection and mill test certificates from SAKY METAL.
Technical procurement data
Standards, supply and inspection
ER316 Molybdenum-Bearing Stainless Steel Welding Wire | YS316 | DIN 1.4430 ER316 is a molybdenum-bearing austenitic stainless filler-metal classification used where the approved procedure calls for the ER316 composition. Corrosion performance is controlled by the full weld system, including base metal, shielding, heat input, surface cleaning, contamination control and exposure conditions.
| Material / grade | ER316; GB/T H0Cr19Ni12Mo2; JIS YS316; DIN 1.4430 |
|---|---|
| Product form | Bare solid welding wire on spool and straight cut-length filler rods by enquiry; other bare-wire packages subject to review. |
| Standards and order reference | AWS A5.9/A5.9M classification; state required revision plus project, code and WPS references. |
| Dimensions and tolerances | Specify welding process, wire or rod diameter, cut length where applicable, spool or package type and tolerance. |
| Surface and supply condition | Clean bare filler metal, securely packaged to limit handling damage and contamination; storage requirements by purchase order. |
| Inspection options | Visual and dimensional inspection, classification or chemistry review, traceability and purchaser-specific testing by agreement. |
| MTC and traceability | Certificate of conformance and heat or batch traceability; EN 10204 documentation or additional records when agreed. |
| Typical applications | Chemical and process equipment; Food and pharmaceutical fabrication; Marine and coastal stainless assemblies; General 316-family fabrication under a qualified WPS |
| RFQ checklist | Grade and standard revision; base metals; process; diameter; package; quantity; WPS; testing; certificates; destination; service conditions. |
Final compliance is defined by the purchase order, approved drawing and issued mill documentation. Availability is confirmed for each grade, size and production route.
SAKY METAL reviews ER316 enquiries against the stated classification, welding process, diameter, package, base materials, WPS, service conditions, inspection scope and documentation. Availability is confirmed for each requested combination; no stock, mechanical-property or corrosion-performance claim is implied without an agreed specification.
Selection note: Confirm whether ER316, ER316L, ER316LSi or another variant is specified. Chloride concentration, temperature and cleaning regime should be stated for corrosion-sensitive service.
Grade Designations and Cross-References
| Product designation | ER316 bare welding electrode / rod |
|---|---|
| AWS order reference | AWS A5.9/A5.9M ER316; confirm the required standard revision |
| GB/T cross-reference | H0Cr19Ni12Mo2 |
| JIS cross-reference | YS316 |
| DIN / European reference | 1.4430 |
| Important | Cross-references support material review but are not blanket substitution approvals. The purchase order, applicable standard revision and qualified WPS govern acceptance. |
Supply Forms and Ordering Parameters
| GMAW / MIG | Bare solid wire on spool or basket by enquiry; specify diameter, package style and net weight. |
|---|---|
| GTAW / TIG | Straight cut-length filler rods by enquiry; specify diameter, rod length, package and identification. |
| Other processes | Submerged-arc or other bare-wire requirements are reviewed against the process, wire/flux combination and governing procedure. |
| Dimensions | Diameter and tolerance must be stated on the RFQ; availability is confirmed for the requested process and package. |
| Identification | Grade, classification, batch or heat reference, size and package identification as required by the purchase order. |
| Documentation | Certificate of conformance, chemistry or classification records and EN 10204 documents when agreed. |
Typical Application Areas
- Chemical and process equipment
- Food and pharmaceutical fabrication
- Marine and coastal stainless assemblies
- General 316-family fabrication under a qualified WPS
These application areas are selection prompts rather than design approvals. Confirm filler compatibility through engineering review, the governing construction code and a qualified welding procedure.
Quality, Traceability and Welding Control
Before productionVerify grade, batch and WPS
Match package identification and certificates to the released procedure before wire enters production.
During weldingControl procedure variables
Use the qualified process, shielding system, heat-input range, interpass limit and contamination controls.
After weldingInspect to the project plan
Apply the specified visual, NDT, mechanical, chemistry or corrosion tests and retain traceability records.
Send a Complete ER316 Welding Wire RFQ
Include ER316 and the applicable standard revision, both base metals, welding process, wire or rod diameter, package or rod length, quantity, WPS or project specification, shielding requirements, inspection and certificate scope, delivery destination and relevant service conditions.
Related Welding Wire Products
- ER307 Stainless Steel Welding Wire | YS307 | DIN 1.4370
- ER308 Stainless Steel Welding Wire | YS308 | DIN 1.4316
- ER309 Stainless Steel Welding Wire | YS309 | DIN 1.4332/1.4337
- ER310 Heat-Resistant Stainless Steel Welding Wire | YS310 | DIN 1.4842
- ER2209 Duplex Stainless Steel Welding Wire | YS2209 | DIN 1.4462
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ER316 Welding Wire FAQs
Does ER316 guarantee the corrosion resistance of a welded assembly?
No. Base metal, weld quality, heat tint removal, passivation, contamination and service conditions all affect performance.
Is ER316 the same as ER316L?
No. They are separate classifications. The exact suffix and standard revision must match the project specification.
What documentation is available with ER316 wire?
Heat or batch traceability, product conformance and inspection documents can be reviewed against the purchase order.
What information controls final product acceptance?
The purchase order, cited classification and revision, approved WPS, agreed test plan, package identification and issued material documentation control acceptance.
Technical References
References define classification scope and selection context. They do not replace the project specification, current standard revision, qualified procedure or supplied certificate.