ISO 9001 · EN 9100 certified EN 10204 3.1 MTC · 30+ years
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Alloy 330 Bars & Rods

Alloy 330 bar & rod, certified and in stock.

UNS N08330 — The furnace-industry veteran for cyclic high-temperature service.

EN 10204 3.1 MTC Heat-lot flexibility
N08330UNS
205 MPaMin. yield
585 MPaMin. tensile
1150 °CMax service
Alloy 330 Bars & Rods — TrueGrade Metals
UNS N08330
Material data

Alloy 330 — key properties.

Nominal published values for the annealed condition. Certified heat lots ship with actual MTC values.

PropertyValue
Density8.0 g/cm³
Min. yield strength (annealed)205 MPa
Min. tensile strength (annealed)585 MPa
Max service temperature1150 °C
Nominal chemistryNi ~36% · Cr ~18% · Si ~1%
Why this grade

What Alloy 330 brings to the service.

Supply range

Dimensions & standards.

Available range

Ø 3 – 500 mm · hot-rolled · forged · cold-finished · h9 / h10 / h11 · ground · 100% PMI · UT on forgings

Full bars & rods page →

Governing standards

ASTM B446 · ASTM B164 · ASTM B166 · ASTM B408 · ASTM B425 · ASTM B574 · ASTM B637

Confirm your standard →

Other forms in Alloy 330

Pipe, fittings, bar, sheet, wire and forgings — consolidated into one PO with matching heats.

Alloy 330 grade hub →
Typical applications

Where Alloy 330 bar & rod goes to work.

FAQ

Common questions.

What sizes of Alloy 330 bar & rod do you supply?

Standard sizes per the bars & rods range (see supply range above) are stocked or on a frequent smelting schedule for Alloy 330. Non-standard dimensions are made to order — confirm with your inquiry.

What certificate comes with Alloy 330 (UNS N08330)?

Every heat ships with EN 10204 3.1 MTC: ladle + product chemistry, mechanical results, dimensional data and heat number. Third-party witnessed 3.2 available on request.

Is Alloy 330 right for my application?

Typical uses: Furnace muffles & retorts; Heat-treat baskets & fixtures. If your medium, temperature or pressure differs, our metallurgists verify grade selection free of charge before quoting.

Get your price

Quote Alloy 330 bar & rod in 24 hours.

Dimensions, quantity, standard — that is all we need. A named metallurgist replies with pricing, lead time and MTC sample.

Request 24h quote → info@truegrademetals.com