JINWEI E309-16 Stainless Steel Welding Electrode
Product Overview
JINWEI JWE309-16 (A302) is a stainless steel covered welding electrode manufactured by Beijing Jinwei Welding Material Co., Ltd.
Classified as AWS A5.4 E309-16, it is commonly used for joining dissimilar metals, particularly stainless steel to carbon steel, and for stainless steel fabrication requiring a 309-type weld deposit.
Key Features
- AWS A5.4 E309-16 classification
- Suitable for dissimilar metal welding
- Cr-Ni stainless steel weld deposit
- Tested tensile strength: 615 MPa
- Tested elongation: 37%
- Ferrite Number: 10
- X-ray inspection: Grade I
- Bending and fillet weld tests passed
Technical Specifications
| Parameter | Specification |
|---|---|
| Brand | JINWEI |
| Model | JWE309-16 |
| Chinese Grade | A302 |
| AWS Classification | E309-16 |
| Diameter | 4.0 mm (tested) |
| Welding Process | SMAW / MMA |
| Tensile Strength | 615 MPa |
| Elongation | 37% |
| Ferrite Number | 10 |
| X-ray Inspection | Grade I |
Chemical Composition of Deposited Metal (%)
C: 0.043 | Mn: 1.17 | Si: 0.87
Cr: 22.92 | Ni: 12.38 | Mo: 0.36
S: 0.009 | P: 0.028 | Cu: 0.02
Typical Applications
- Stainless steel to carbon steel welding
- Dissimilar metal joints
- Stainless steel structural fabrication
- Industrial machinery manufacturing
- Equipment maintenance and repair
- Selected stainless steel cladding and buffer layers
Quality Assurance
Manufactured in accordance with applicable specifications, including AWS A5.4 / ASME SFA-5.4 and GB/T 983-2012.
Manufacturer quality certificates are available upon request.
The reported chemical and mechanical test results refer to the manufacturer’s tested batch.
Why Choose XR WELDING?
XR WELDING supplies JINWEI stainless steel welding electrodes and a wide range of industrial welding consumables.
We support international distributors and industrial customers with product sourcing, quality documentation, export packaging and shipment coordination.
Contact us for pricing, availability and bulk orders.
Email: janelee@xrwelding.com
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