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Suzhou Vanforge Metals Co., Ltd.
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330HBW Hardened Engineering Solid Steel Bar , Hot Rolled Bar 275 - 325HBW

Suzhou Vanforge Metals Co., Ltd.

330HBW Hardened Engineering Solid Steel Bar , Hot Rolled Bar 275 - 325HBW

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Brand Name : VANFORGE

Certification : ISO9001, ISO10012, ISO14001, OHSAS18001, ABS, BV, DNV, Lloyd, NK

Place of Origin : China

MOQ : 5 metric tons

Payment Terms : L/C, T/T

Supply Ability : 5000 metric tons per month

Delivery Time : 60 days

Packaging Details : Seaworthy package for export

Price : Negotiable

Material : Alloy steel

Process : Hot rolled

Treatment : Quenched and tempered

Surface : Black, peeled

Shape : Round

Length : Cut to length on request

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330HBW hardened tool and engineering steel round bar



Pre-hardened, precise, predictable steel, now in round bars

330HBW tool steel round bars are pre-hardened, ready-to-use quenched and tempered tool steels that come in a wide range of diameters from small to large.

Suitable for engineering applications in tool holders and in different types of shafts and rolls, the diameter dimensions also provide a better solution for round parts in tooling applications like molding and in dies for aluminium die casting.


Dimension Range

330HBW tool steel round bars are available in diameters 21 - 141 mm. Other dimensions can be available on request.


Mechanical Properties





21 - 141 275 - 325

Hardness is measured, according to EN ISO 6506-1, on a milled surface 0.5 - 2 mm below the plate surface.

Bar Hardness is measured on a milled surface, with indents positioned as impact test according to EN 10083.


Impact Properties

Test temperature Impact energy, Charpy-V, Min J
20 °C 35 min J

Impact testing according to EN 10083.


Ultrasonic testing

Ultrasonic inspection is carried out according to EN 10308.


Diameter and Length

Tolerances according to EN 10060.



Straightness according to EN 10060.


Surface Properties

Peeled surface.


Delivery Conditions

Quenched and Tempered at a minimum temperature of 590 °C.

On delivery from VANFORGE the plates meet the following specifications:

  • free from mill scale
  • not repair welded


Fabrication and Other Recommendations

Welding, bending and machining

330HBW tool steel is not intended for further heat treatment. If 330HBW tool steel is heated above 590 °C after delivery from VANFORGE no guarantees for the properties of the steel are given.

Nitriding or surface coating may be carried out if the temperature is below 590 °C.

Appropriate health and safety precautions must be taken when welding, cutting, grinding or otherwise working on the product. Grinding, especially of primer coated plates, may produce dust with high particle concentration.


Product size range

Diameter: 21mm - 141mm

Length: on request



Production Process




Key clients




Product Tags:

solid steel bar


hardened steel rod

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