High Tensile Steels & Metals
High-tensile steels are developed with high yield, tensile, and fatigue strengths, as well as excellent toughness when subjected to a quenching and tempering process. They come in a pre-hardened and tempered condition. We have a lot of experience in supplying 4140 alloy steel and 4340, and enjoy helping our clients achieve the results they require with the highest standards of service.
Product Overview | Availability | Datasheet |
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4140 4140 / 42CrMo4 /1.7225
For applications requiring high tensile strength and toughness values, in particular in small medium cross sections. 4140 is the most commonly used of the high tensile steels with a wide range of applications in automotive, Gear and Engine construction, Crankshafts, Steering knuckles, Connecting rods, Spindles, Intermediate gears, Pump and Gear shafts, Axles, Nuts and Bolts. |
Bright Rounds Diameter tolerance h9 ø6mm - ø80mm Rounds (rolled/forged/machined) 25mm - 550mm diameter Overseas Stocks 560mm - 1000mm diameter
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4340 1.6582/ 34CrNiMo6
Nickel, Chromium, Molybdenum steel for applications requiring high tensile strength and toughness values, particularly in large cross sections. Higher tensile and yield strength than 4140. Components for the aircraft, automotive and general engineering industries eg. Propeller shafts, connecting rods, gear shafts, and other automobile shafts. Heavy forgings eg: Rotors, shafts, discs. |
NZ Stock Rounds Rolled/forged/rough machined ø25mm - ø500mm Overseas Stock 520mm - 700mm diameter |
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Uddeholm Impax Supreme P20 + Ni / 1.2738
Pre-hardened steel with high purity levels, a good uniform structure and hardness, even in large section sizes over 400mm. This results in good toughness and polishability. Supplied hardened and tempered at a suitable operating hardness for shafts, crank shafts, and general engineering. Can be Nitrided or hard Chrome plated for extra resistance. |
NZ Stock Rounds ø 12.7mm - 600mm Plates 20mm - 150 mm thick Blocks 160mm - 500 mm thick
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Bohler M238 P20+Ni / 1.2738
Pre-hardened ( Tensile strength approximate 1000 MPa; hardness about 300 HB) mould steel with high purity levels, a good uniform structure and hardness, even in large section sizes over 400mm. This results in good toughness and polishability. Supplied hardened and tempered at a suitable operating hardness. Can be nitrided or hard Chrome plated for extra wear resistance. Good photoetching properties. Suitable for injection moulds and extrusion dies for plastics. Forming tools, press brake dies (with nitriding or local flame hardening) and machinery components, such as shafts, bolts and gears |
NZ Stock Rounds ø 12.7mm - 600mm Plates 20mm - 150 mm thick Blocks 160mm - 500 mm thick |
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Uddeholm Nimax
Low carbon pre-hardened plastic mould material. Suitable for a variety of plastic injection moulds particularly the packaging industry and appliances. Holder material for forging and die casting dies, holder material for cutting tools. Structural components. Con rods, crankshafts. Excellent machinability and easy to weld. High pre-hardened hardness with high toughness. |
NZ Stock Rounds 25.4mm - 280mm diameter Flats 15mm- 500mm thick |
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Uddeholm Orvar 2M H13 / 1.2344
Suitable for application requiring high toughness, with good wear resistance and compressive strength. Suitable for shafts, Pistons, Pins, Bushes, Thrust washers, down hold drilling tools, high stress linkages. Note: Material is supplied in the annealed condition. Heat treat to appropriate condition to suit intended application. |
NZ Stock Rounds ø10mm - ø508mm Flats / Blocks 25mm - 305 mm thick
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Bohler W720 VMR ASTM Marage 300 / 1.2709
Tool steel that has proved highly satisfactory for hot and cold work and long-time service up to approx . 450°C (842°F) in various fields of application. Tools for hydrostatic presses, cold extrusion tools, cold heading and embossing tools, molds for the plastics industry, die casting tools for aluminium and zinc alloys, hot pressing tools, cold pilger mandrels. Ultra-high-strength maraging steel. In contrast to heat treatable steels its outstanding tensile properties are not due to a hardened structure with relatively high carbon content, but to precipitation of intermetallic phases from a ductile nickel bearing matrix containing almost no carbon. This results in the following advantages: High tensile strength and excellent yield point ratio, satisfactory toughness (reduction of area, elongation, impact strength, fracture toughness) even at low temperatures, superior notched tensile strength and heat checking resistance, practically no size change in heat treatment, no decarburization, no cracking, full hardening even in sizes above average. Convenient machinability in the solution annealed condition (machining is also possible in the precipitation-hardened condition). Good cold forming properties owing to reduced susceptibility to work hardening, eminent weldability, simple heat treatment at low temperatures. Suitable for applications in the [Engineering / Oil & Gas/CPI / Power Generation / Hot work]. |
Overseas Stock Rounds 14.5mm - 182mm diameter Square 250mm x 250mm Additive Manufacturing Powder for 3D metal printing |
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Bohler K600 1.2767
Suitable for applications where toughness and chipping resistance are the dominant requirements, and the wear resistance is not so high. Heavy-duty cutting tools, punches and dies. Shear blades for heavier gauge material. Coining tools, cutlery dies, hobbing tools. Cold rolling dies for forming thicker sheet metal. Also used for engineering components which require high strength and toughness. This material is supplied in the annealed condition and must be heat treated to the appropriate condition for the intended application.
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NZ Stock Rounds ø15mm - ø252mm Flats / Plates / Blocks 15mm - 405mm thick
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Uddeholm Holdax / Bohler M200 P20 + S / ~1.2312
Free machining pre-hardened grade. Very good machinability and uniform hardness even over large sections.Suitable for small to large plastic moulds, mould frames for the die casting and injection moulding industry. General engineering components. |
NZ Stock Rounds Diameter 182mm Flats 15mm - 75 mm thick Overseas Stock Rounds 20.5mm - 803mm diameter Plates / Blocks 20mm -410mm thick |
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Uddeholm Balder
Intended for applications demanding high temperature strength and temper resistance. Uniform structure, even in large section sizes, resulting in good toughness and excellent machinability. Resistance to abrasion good at both low and high temperatures. Suitable for Engineering components such as highly stressed drive shafts and transmission parts, conveyor rollers carrying hot parts, clamp jaws especially at elevated temperature. |
NZ Stock Round 52 mm Diameter |
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Uddeholm Bure
Intended for applications demanding high temperature strength, toughness and temper resistance. Resistance to abrasion good at both low and high temperatures. Suitable for making tool holders and engineering components such as highly stressed drive shafts and transmission parts, conveyor rollers carrying hot parts, clamp jaws especially at elevated temperature. |
NZ Stock Rounds ø16mm - ø70mm Overseas Stock Rounds ( pre-hardened) 22mm-41mm Rounds (annealed) 11.9mm -180mm diameter |
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Titanium Alloys Grade 5
Ti6Al4V is the most widely used titanium alloy. It features good machinability and excellent mechanical properties. The Ti6Al4V alloy offers the best all-round performance for a variety of weight reduction applications in aerospace, automotive and marine equipment. |
NZ Stock Rounds 44.45mm - 177.8mm diameter |
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