440HBW hardening high strength tool and engineering steel plate for offshore

Description

The pre-hardened steel for extrusion dies and engineering components.

440HBW pre-hardened steel is suitable for extrusion dies and engineering components that require high strength. It possesses good workshop properties.

440HBW tool steel is a pre-hardened engineering and tool steel. Despite its high hardness, 440HBW tool steel combines very good machinability with dimensional stability during machining.

Its nominal 450 HBW/45 HRC hardness makes 440HBW tool steel your ideal choice for demanding mold and die applications. The high steel cleanliness gives 440HBW tool steel very good polishing, A2 gloss, and texturing capabilities.

In applications that demand additional surface hardness to counteract wear, you can nitride and PVD coat 440HBW tool steel to customize the mold or die properties. Surface engineering can be carried out as long as the deposition temperature does not exceed 590°C (1,094°F).

Dimension Range

440HBW tool steel is available as plates in thicknesses between 6 - 130 mm. Other dimensions can be available on request.

Mechanical Properties

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

Impact Properties

(2) Impact testing according to EN 10025, EN ISO 148.

Ultrasonic testing

Ultrasonic inspection is carried out according to EN 10160

Thickness

Tolerances according to the requirements of EN 10029 Class C

Length and Width

Tolerances according to EN 10029.

Flatness

Flatness tolerances are according to EN 10029 Class N (steel type L).

Surface Properties

Surface properties of 440HBW tool steel are according to EN 10163-2 Class B, Subclass 3.

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

440HBW tool steel is not intended for further heat treatment. If 440HBW 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.

Production process

Suzhou Vanforge Metals Co., Ltd. was set up in April 1999 with a registered capital of 230 million Yuan in Zhangjiagang Bonded Area in Jiangsu Province of China. It has developed to be an important R&D and manufacture enterprise of high performance stainless steels and nickel alloys.

Vanforge is a high-tech enterprise with 70 national patents, it has its own Special Alloy Research Center, academician workstation and post doctorate innovation practice base. Vanforge has been certificated the national laboratory accreditation of ISO/IEC 17025, and ISO9001, ISO14001, OHSAS18001, API Q1, IATF16949, GB/T23331, TUV, CCS, DNV, LR, ABS.

Vanforge has the international advanced special smelting capacity, including the German ALD 6t vacuum induction furnace, 6t consumable electrode vacuum furnace, 18t drawing-ingot protective atmosphere electroslag furnace and 1t vacuum induction furnace, 3t electroslag furnace, 18t drawing-hollow ingot electroslag furnace, and 2# Purification Furnace/1# Purification Furnace/LF/AOD/VOD refining production line, 25MN/8MN fast forging machine, 450/320 rolling mill, etc.

The current annual production capacity of Vanforge is 120,000 tons, and the main products are high-grade special alloy materials, including high temperature alloy, corrosion resistant alloy, precision alloy, ultra high strength steel, special stainless steel, high-grade tool and mould steel, steam turbine blades steel, gas turbine steel, ultra-supercritical materials, etc., which are widely used in aviation, aerospace, ship, petrochemical, nuclear power, electronics, steam turbine, high-speed rail, machinery manufacturing, and other fields; besides, we can organize the research and development and production of new materials according to customer demand for new materials. Vanforge has now become a qualified supplier of domestic high-end equipment manufacturing enterprises, such as CASIC, CGN, CRRC, CFHI, Wujin Stainless, Zhejiang Jiuli Hi-Tech Metals Co., Ltd., Xinxing Ductile Iron Pipe Co., Ltd., etc.

We always adhere to the concept of quality first, integrity based, scientific and technological innovation, making progress, and wholeheartedly serving customer and devote ourselves to becoming the well-known supplier of key basic materials of world’s high-end equipment manufacturing industry.

We supply following products in the forms of wires, bars, plates

(Super) austenitic stainless steels

(Super) duplex stainless steels

(Supper) Ferritic stainless steels

Precipitation hardening stainless steels

Incoloy alloys

Inconel alloys

Monel alloys

Hastelloy alloys

As well as following steel products

Gear steels

Bearing steels

Spring steels

Drilling tool steels

Free-cutting steels

Anchor steels, mooring chain steels

Mining chain steels

Die steels, Mold steels, tool steels

Structural steels

Antiwear steels

Offshore structure steels

Petroleum storage tank steels