On this page 5 sections
Key features of square bars
- Sizes about 5 – 150 mm
- Hot-rolled or bright
- Keys, frames and machined parts
- Cut to length
Square Bars by material
Square Bars are available in the following grades. Select a grade for specifications and sizes.
Stainless Steel
- SS 201 Square Bars
- SS 202 Square Bars
- SS 301 Square Bars
- SS 302 Square Bars
- SS 304 Square Bars
- SS 304L Square Bars
- SS 304H Square Bars
- SS 309 Square Bars
- SS 309S Square Bars
- SS 310 Square Bars
- SS 310S Square Bars
- SS 316 Square Bars
- SS 316L Square Bars
- SS 316Ti Square Bars
- SS 317 Square Bars
- SS 317L Square Bars
- SS 321 Square Bars
- SS 321H Square Bars
- SS 347 Square Bars
- SS 347H Square Bars
- SS 410 Square Bars
- SS 420 Square Bars
- SS 430 Square Bars
- SS 446 Square Bars
- SS 904L Square Bars
- Duplex 2205 Square Bars
- Super Duplex 2507 Square Bars
- SS 253 MA Square Bars
- SS 254 SMO Square Bars
Nickel Alloys
Square Bars: sizes, finishes and testing
- Size range
- Round bars about 3 – 500 mm diameter; hex 6 – 100 mm A/F; square and flat sections to order; lengths 3 – 6 m random or cut to size
- Finish
- Black (hot-rolled), peeled, bright drawn, centreless ground and polished (h9 / h11 tolerance)
- Ends
- Saw-cut, chamfered on request
Testing & documents
- Chemical and mechanical tests
- Ultrasonic testing for internal soundness
- Hardness, IGC and impact tests as specified
- Straightness and tolerance checks
- EN 10204 3.1 certificate; 3.2 with third-party inspection
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Other bars types
Frequently asked questions
What sizes are square bars available in?
Round bars about 3 – 500 mm diameter; hex 6 – 100 mm A/F; square and flat sections to order; lengths 3 – 6 m random or cut to size.
Which specifications cover square bars?
The product specification for the grade, with dimensions to the relevant ASME or EN standard.
What are square bars used for?
Hot-rolled or bright. Square bars are used for keys, machine parts, frames and forging stock, supplied hot-rolled or cold-drawn to size.
Which materials are square bars available in?
Stainless steel, nickel alloys, carbon and alloy steel and non-ferrous metals, depending on the specification. See the material list above.