Potential application fit
- General industrial corrosion resistance is required
- The part is a turned shaft, sleeve, ring or structural interface
- A clean uncoated stainless appearance is preferred
Factory-direct CNC machining · Motor metal structural components only
General corrosion-resistant stainless steel
Stainless Steel 304 for CNC-machined structural parts.
A widely used stainless grade for shafts, sleeves, end caps, clean structural interfaces and equipment hardware where general corrosion resistance and a durable metallic finish are useful.
DIRECT ANSWER
How WEKO reviews stainless steel 304.
WEKO reviews Stainless Steel 304 for drawing-defined shafts, sleeves, structural rings, covers and motion-equipment interfaces. The exact grade, condition, finish, fit requirements and material evidence must be agreed before production.
Release details
- 304 designation, standard and delivery condition
- Fits, concentric datums, thread and burr requirements
- Passivation, brushing or as-machined finish
- Certificate, traceability and inspection scope
ENGINEERING NOTES
Three controls before manufacturing.
Machining response
Work hardening, burr control, thread quality and tool access influence the route.
Fit control
Datum structure, fit class, surface condition and measurement method must be read together.
Surface condition
Passivation or cosmetic finishing is included only when the specification and acceptance criteria are agreed.
PROCESS MATCH
Routes reviewed for this material.
Geometry, quantity, quality scope and material availability determine the final route.
CNC turningCNC millingPrecision threadingTurn-mill machining
Motor and motion structures
Motor shafts and sleevesBearing-carrier structuresEnd capsClean equipment hardware
Specify protection and appearance
As machinedPassivationBrushingPolishing by review
VERIFY THE MATERIAL
Define evidence package Define evidence before production.
State certificate, traceability, inspection and finish-report expectations during RFQ. Availability and scope are confirmed per project.
APPLICATION CONTEXT
Explore industries →Connect the alloy to the component’s real duty.
Use WEKO’s industry guides to review load, interface, environment and inspection considerations.
MATERIAL FAQ
Questions to settle before release.
Is 304 interchangeable with 316?+
No. They have different chemistry and corrosion behavior. Use the exact grade released by engineering.
Can passivation be included?+
Yes, when the required standard, masking, appearance and evidence are specified.
Does WEKO supply complete motors?+
No. WEKO supplies drawing-defined metal structural components, not finished motors, bearings, electronics or complete assemblies.
COMPARE MATERIALS
View all material guides Review adjacent grades.
READY TO CONFIRM THE MATERIAL?
Start your RFQ →