Use it for turned parts and shafts
Round bar is the routine starting form for shafts, pins, bushings, fasteners and CNC-turned parts.
Round Bar Supply
Stainless Steel Round Bar Supplier for
Stainless Steel Round Bar Supplier for
CNC Machining and Stock Supply
FX Stainless Steel supplies stainless steel round bar for CNC machining, shafts, pins, fasteners and general fabrication. Buyers can review 303 stainless steel round bar for CNC machining, 304 / SUS304 round bar, ASTM A276 304 stainless steel round bar and 316 round bar for marine parts.
1,000+ Tons
Bar ready stock
303 / 304 / 316+
Grade paths
3 - 300 mm
Diameter review
MOQ 100kg
Small-order support
Quick Answer
When should buyers choose stainless steel round bar?
Match grade to machining or corrosion
303 helps chip control, 304 / SUS304 is a balanced general grade, and 316 is reviewed for marine or higher-corrosion parts.
Confirm standard wording early
Buyers may ask for ASTM 304, SUS304 or 304 stainless steel bar; the final standard should be confirmed by drawing, MTC and order requirement.
Specification Reference
Stainless steel round bar supply reference
| Item | Common Review | Buyer Note |
|---|---|---|
| Grades | 303 / 304 / 304L / 316 / 316L+ | 303 for machining, 304 / SUS304 for general use, 316 / 316L for stronger corrosion review |
| Standards | ASTM A276 / ASTM A479 / JIS G4303 review | ASTM A276 304 stainless steel bar and JIS G4303 SUS304 stainless steel bar are useful long-tail specification terms |
| Diameter | 3 - 300 mm project review | Routine stock depends on grade, diameter, finish and current warehouse condition |
| Finish | Hot rolled / cold drawn / polished / centerless ground | Finish path affects tolerance, surface condition and machining behavior |
| Service | Cut-to-length / MTC / export packing | Useful for small MOQ trial orders and repeat Southeast Asia shipments |
Applications
Where stainless steel round bar fits
Shafts and pins
Round bar is a natural starting stock for shafts, pins, guide parts and turned components.
ShaftsPins
CNC machining
303 stainless steel round bar can be reviewed when chip control and machining speed matter.
303 optionBar-fed CNC
Marine and project parts
316 stainless steel round bar is reviewed when chloride exposure or marine use is part of the application.
316 optionMarine parts
Buyer Fit
Use round bar when the part starts from a turned diameter
Round bar is usually the simplest bar shape for turning, drilling, threading and shaft work. The key is confirming the grade, diameter, finish and tolerance before comparing price.
Best fit
Best for shafts, pins, fasteners, bushings and CNC turned parts.
Standard note
Use ASTM A276, ASTM A479 or JIS G4303 wording when the drawing or MTC needs a formal standard.
Inquiry note
Send grade, diameter, tolerance, finish, cut length, quantity and destination for a cleaner quotation.
Related Grades and Shapes
Compare round bar with nearby bar options
303 Stainless Steel Bar
Review 303 round and hex bar when easier CNC machining and chip control matter.
304/304L Stainless Steel Bar
Review 304 / SUS304 round bar for general-purpose stock supply and fabrication.
Centerless Ground Stainless Steel Bar
Move to ground bar when h9 tolerance, roundness or smoother surface matters.
Related Reading
Read the guides behind round bar selection
Round Bar vs Hex Bar vs Square Bar
Compare shape choice when CNC machining route, material waste and final part geometry matter.
How Cold Drawn Stainless Steel Bars Are Made
Review how cold drawn bar supports better surface, tighter tolerance and machining-ready stock.
h9 vs h10 vs h11 Tolerance for Cold Drawn Stainless Steel Bar
Use this guide when round bar feeding stability, tolerance and repeat CNC work are important.
FAQ
Stainless steel round bar FAQ
What is stainless steel round bar used for?
It is commonly used for shafts, pins, fasteners, bushings, CNC turned parts and general fabrication.
Is SUS304 the same as 304 stainless steel round bar?
SUS304 is the JIS grade naming commonly used by Japan-related buyers. 304 is the general grade name, and the final requirement should be confirmed by drawing, standard and MTC.
What does ASTM A276 304 stainless steel round bar mean?
It means 304 stainless steel bar reviewed under ASTM A276 requirements. Buyers should still confirm size, finish, tolerance and certificate needs.
Can stainless steel round bar be supplied with MOQ from 100kg?
Yes. MOQ from 100kg can be reviewed for selected stock sizes, depending on grade, diameter, finish and current availability.
Send the grade, diameter and destination for your round bar inquiry.
Share whether you need 303, 304, SUS304, ASTM A276 304, 316 or another requested grade, plus diameter, finish, cut length and quantity.
Contact Sales Team