Standard and edition
Confirm the controlling document; a grade name or cross-reference alone is not a complete acceptance specification.
Stainless Steel Round Bar
Stainless Steel 303 Round Bar Manufacturer, Exporter and Supplier
Stainless Steel 303 round bar is a free-machining austenitic stainless steel identified as UNS S30300. Sulfur improves machinability, making this grade useful for turned shafts, fasteners and valve components. Confirm corrosion and fabrication requirements before selecting it.
For a quotation, specify the grade, product standard, dimensions, supply condition, tolerances, testing and delivery destination.
Product information by Piyush Steel India
At a glance
Stainless Steel 303 Round Bar quick facts
- Product
- Stainless Steel 303 Round Bar
- Material category
- Stainless Steel Round Bar
- Product reference
- Stainless Steel 303 Round Bar
- Standards and designations referenced
- UNS S30300; DIN 1.4305; ASTM A276; JIS G4303; SUS 303
- Enquiry details
- Grade, dimensions and supply condition
Confirm the applicable specification and availability for your required size and condition.
Buyer selection guide
How to select Stainless Steel 303 Round Bar
Begin with the drawing, equipment specification, or governing code. The product name identifies the material route; acceptance depends on the complete purchase specification.
Material identityState Stainless Steel 303 and any required designation.
Governing standardConfirm UNS S30300, DIN 1.4305, ASTM A276, ASTM A276 UNS, JIS G4303, SUS 303 and the required edition.
Dimensions and conditionProvide diameter, length, quantity, tolerance, condition, finish, and machining allowance.
VerificationDefine testing, inspection, marking, traceability, documentation, destination, and timing.
Common applications
Applications of Stainless Steel 303 Round Bar
Applications and Utilizations of Round Stainless Steel 303 Bars
SS 303 is used for machined components where chip control and machining productivity are important. Examples include:
- Shafts and turned mechanical components.
- Screws, nuts, bolts and other machined fasteners.
- Valve bodies, valve trim and fittings, subject to service assessment.
Check the service environment, component design and required certification before approving a material.
Specifications
Dimensions, Forms, Finishes and Specifications for Stainless Steel 303 Round Bar
Stainless Steel Bars Forms in Stock
The bar forms below support different machining and fabrication requirements. Confirm availability in the specified grade.
| Form | Description |
|---|---|
| Stainless Steel Round Bar | Smooth cylindrical bars, perfect for machining, cutting, and fabrication. |
| Stainless Steel Square Bar | Square-shaped bars are used for welding, fabrication, and machining. |
| Stainless Steel Hollow Bar | Hollow bar for machined components; not a substitute for specified pressure pipe. |
| Stainless Steel Hex Bar | Six-sided bars for structural, decorative, and precision applications. |
| Stainless Steel Bright Bar | Polished and smooth finish for high-precision applications in engineering. |
| Stainless Steel Forged Bar | Forged bars designed for heavy-duty applications requiring superior strength. |
State the required section and dimensions in the enquiry; a bar form alone does not define material suitability.
Stainless Steel Round Bars' Standard Dimensions and Features
Use the listed dimensions as an enquiry guide. Confirm the applicable product standard, tolerances and condition.
| Size Range (Diameter) | Length | Standard |
|---|---|---|
| 3mm – 300mm | 3 meters to 6 meters | ASTM A276, A479, EN 10088-3 |
| Custom Sizes Available | Custom Lengths | Custom Specifications |
For other dimensions or finishes, send a drawing or purchase specification for review.
Chemical composition
Chemical Composition of Stainless Steel 303 Round Bar
The chemical makeup of round bars fabricated from stainless-steel 303
Reference composition is shown below. Confirm limits against the applicable standard and edition.
| Element | Percentage (%) |
|---|---|
| Carbon (C) | 0.10 max |
| Chromium (Cr) | 17.00 – 19.00 |
| Nickel (Ni) | 8.00 – 10.00 |
| Manganese (Mn) | 2.00 max |
| Silicon (Si) | 1.00 max |
| Phosphorus (P) | 0.20 max |
| Sulfur (S) | 0.15 min |
Sulfur supports machining performance. The specified chemistry must also suit the corrosion and fabrication requirements.
Technical reference: Carpenter Technology Type 303 datasheet. This reference does not certify a Piyush Steel India order; confirm the required standard and test documentation.
Mechanical properties
Mechanical and Physical Properties of Stainless Steel 303 Round Bar
Mechanical Characteristics of Round Bar Stainless Steel 303
Mechanical properties depend on product condition and size. Confirm acceptance values and test requirements in the purchase specification.
| Property | Value |
|---|---|
| Tensile Strength | 515MPa |
| Yield Strength | 205 MPa (min) |
| Elongation | 30% min |
| Hardness | 237 HB (max) |
| Modulus of Elasticity | 193 GPa |
Do not use these reference values as design allowables without checking the governing standard and certified supply condition.
Technical considerations
What to verify before specifying Stainless Steel 303 Round Bar
Product condition
Check that property values apply to the required diameter, heat treatment, test direction and temperature.
Dimensions and finish
State tolerances, straightness, length, surface finish, machining allowance, and end condition where required.
Evidence and traceability
Define inspection, test reports, marking, heat identification, third-party requirements, and destination documentation.
Equivalent grades
Designations and Equivalent Grades for Stainless Steel 303 Round Bar
Equivalent Grades of Stainless Steel 303 Round Bar
The designations below identify related grade references; their standards may differ in requirements.
| Standard | Equivalent Grade |
|---|---|
| ASTM A276 | UNS S30300 |
| EN 10088-3 | DIN 1.4305 |
| JIS G4303 | SUS 303 Round Bar |
A cross-reference is not approval for substitution. Check chemistry, condition, properties and inspection requirements before accepting an alternative.
Product details
Additional product information for Stainless Steel 303 Round Bar
Table of Content
- What is a Stainless Steel 303 Round Bar?
- Stainless Steel Bars Forms in Stock
- Stainless Steel Round Bars' Standard Dimensions and Features
- The chemical makeup of round bars fabricated from stainless-steel 303
- Mechanical Characteristics of Round Bar Stainless Steel 303
- Equivalent Grades of Stainless Steel 303 Round Bar
- Identification Marks on Stainless Steel 303 Round Bars
- Applications and Utilizations of Round Stainless Steel 303 Bars
- Stainless-Steel 303 Round Bars' Export Locations
Send your SS 303 grade, dimensions, quantity and delivery requirements for a quotation.
What is a Stainless Steel 303 Round Bar?
SS 303 is selected for machining productivity. Its sulfur addition improves cutting behavior, but welding is generally not recommended.
Assess the service environment separately from machinability, particularly for corrosive or pressure-containing applications.
Identification Marks on Stainless Steel 303 Round Bars
State the required product identification and traceability markings in your purchase order:
- Heat number: identifies the material batch.
- Grade: The unique alloy (SS 303, SUS 303, UNS S30300).
- Size: Diameter of the round bar.
- Manufacturer marking: as specified in the purchase order.
Confirm the required marking and test-document details before dispatch.
Stainless-Steel 303 Round Bars' Export Locations
Discuss delivery arrangements and documentation for your destination with our team.
- Malaysia
- Singapore
- Thailand
- Taiwan
- Indonesia
- Qatar
- Oman
- Jordan
- Saudi Arabia
- South Africa
- Egypt
Include the destination, delivery schedule and packing requirements in your enquiry.
Product questions
Stainless Steel 303 Round Bar FAQ
Which category contains Stainless Steel 303 Round Bar?
This product is organized under Stainless Steel Round Bar. Use the category page to compare the grade range.
Which standards and designations should I check?
UNS S30300; DIN 1.4305; ASTM A276; JIS G4303; SUS 303. Confirm the applicable standard and edition for your order.
What should a quotation include?
Provide the grade and standard, diameter, length, quantity, condition, finish, tolerance, testing, documentation, destination, and required timing.