Engineering Steels

			CORUS is Europe’s largest specialist producer of Engineering Steels. Our commitment to quality and product excellence is underpinned by investment in new plant, new technology and in our approach to total quality and continuous improvement. These steels are manufactured to the highest standards of precision for constant performance under even the most demanding conditions. Corus Engineering Steels has a thorough understanding of end-user requirements, in an often-complex supply chain. Close partnerships with customers ensure standard process routes and specialist products are developed to suit the application. The Corus fully integrated facilities and overall product capabilities offer customers a unique degree of flexibility in steel sourcing from a single supplier. Corus now brings to New Zealand this steel making technology and offers a wide range of Engineering Steels to suit most applications. In addition we are pleased to offer other steels as required, subject to mill minimum etc. Bright Steels AISI 1215 or XLCUT Freecutting Steel AISI 12L14 or XLCUTPb Leaded Freecutting Steel AISI 1018 or XCQ Commercial Quality Mild Steel Medium Tensile Steels AISI 1045 Medium Carbon Steel High Tensile Steels AISI 4140 AISI 4340 En25 En26 Low Alloy steel Case Hardening Steels AISI 8620 17CrNiMo6 En36A En39B Low Alloy Steel Tool Steels AISI A2 AISI D2 Cold Work Steel AISI H13 Hot Work Steel Hollow Bar HB 470 AR Carbon-Manganese-Vanadium Steel MecaVaL 147M Carbon-Manganese-Vanadium Steel AISI 4140 Chrome-Moly High Tensile Steel Chrome Plated Bar AISI 1045, AISI 1045 Induction Hardened AISI 4140 38 MVS6 Hydraulic Cylinder Tube ST 52 or ST 52-3 Cast Iron Grade 4E 2P Grey Cast Iron Grade 3D Ductile Cast Iron Specials Click here for current specials

			Bright Steels AISI 1215 / XLCUT: Low Carbon Free Cutting Steel, with very good machinability but limited forming and welding properties. Will carburise, with a typical case hardness up to Rc60. End use: Lightly stressed parts. AISI 12L14 / XLCUTPb: Low Carbon Leaded Free Cutting Steel, with excellent machinability, but limited forming and poor welding properties. End use: Lightly stressed parts. AISI 1018 / XCQ: Low Carbon Commercial Quality Mild Steel, with excellent welding and forming properties plus good machinability. Will carburise, with a typical case hardness up to Rc60. End use: Light/medium stressed parts.
			Medium Tensile Steels – Bright & Black AISI 1045: Medium Carbon Steel, with good strength, toughness and resistance to wear plus good machining and welding properties. Will flame or induction harden, with a typical case hardness up to Rc58. End use: Medium stressed parts.
			High Tensile Steels AISI 4140: Chrome-Moly Steel, with an U.T.S. of 850-1000 Mpa, in sections up to 100mm. Will flame or induction harden - typical case hardness up to Rc54, and will nitride - typical case hardness up to Rc60. End use: Highly stressed parts. AISI 4340: Nickel-Chrome-Moly Steel, with an U.T.S. of 930-1080 Mpa, in sections up to 100mm. Will flame or induction harden - typical case hardness up to Rc58, and will nitride - typical case hardness up to Rc60. End use: Highly stressed parts. En25: Nickel-Chrome-Moly Steel, with an U.T.S. of 925-1075 Mpa, in sections up to 250mm. Will flame or induction harden - typical case hardness up to Rc52, and will nitride - typical case hardness up to Rc60. End use: Highly stressed parts. En26: Nickel-Chrome-Moly Steel, with an U.T.S. of 1000-1150 Mpa, in sections up to 250mm.Will flame or induction harden - typical case hardness up to Rc58, and will nitride - typical case hardness up to Rc60. End use: Very highly stressed parts.
			Case Hardening Steels AISI 8620: Low Nickel-Chrome-Moly Steel, with core strengths of 700-1100 Mpa, in small to medium sections, and a typical case hardness up to Rc62, when carburised, hardened and tempered. End use: Light/medium stressed wear resistant parts. En36A: Nickel-Chrome Steel, with core strengths of 850-1200 Mpa, in small to fairly large sections, and a typical case hardness up to Rc62, when carburised, hardened and tempered. End use: Medium/highly stressed wear resistant parts. 17CrNiMo6: Chrome-Nickel-Moly Steel, with core strengths of 900-1300 Mpa, in small to fairly large sections, and a typical case hardness up to Rc62, carburised, hardened and tempered. End use: Highly stressed wear resistant parts. En39B: Nickel-Chrome-Moly Steel, with core strengths of 1000-1400 Mpa, in small to very large sections, and a typical case hardness up to Rc62, carburised, H&T. End use: Heavily stressed large wear resistant parts.
			Tool Steels AISI A2: Air hardening cold work tool steel, with maximum dimensional stability during heat treatment, offering high abrasion resistance and good toughness. End use: Medium/long run – forming, blanking, and punching tools etc. AISI D2: Air or oil hardening cold work tool steel, with maximum dimensional stability during heat treatment, offering very high abrasion resistance and hardness. End use: long run – deep drawing, forming, punching & slitting tools etc. AISI H13: Air hardening hot work tool steel, offering good toughness and abrasion resistance, with high red hardness. It resists softening at temperatures up to 550°C. End use: Aluminium casting & extrusion dies, hot punches, etc Other grades on request, subject to availability, mill minimum etc. Hollow Bar HB 470 AR: Carbon-Manganese-Vanadium Steel, with high yield strength, plus excellent machinability and weldability. End use: Medium stressed parts etc. MecaVaL 147M: Carbon-Manganese-Vanadium Steel, with high yield strength, excellent machining and welding properties. End use: Medium stressed parts. AISI 4140: Chrome-moly high tensile steel, generally supplied hardened and tempered to tensile strengths of 860 – 1100 Mpa. End use: Highly stressed parts. Chrome Plated Bar CK45 (1045): Hard Chromium Plated Bars with extremely smooth hard wearing surface, excellent corrosion resistance, and high dimensional and straightness tolerances. End use: Hydraulic and pneumatic cylinders etc. CK45 (1045) Induction Hardened: Hard Chromium Plated Bars (as above), plus a hardened case Rc55-60. End use: Parts with high resistance to surface impact. AISI 4140: Hard Chromium Plated Bars with tensile strengths of 800 – 1200 MPa. End use: Highly stressed hydraulic cylinders etc. 38 MVS6: Hard Chromium Plated Bars with tensile strengths of 800 – 950 MPa. End use: Medium to highly stressed hydraulic cylinders etc. Hydraulic Cylinder Tube ST 52 or ST 52-3: Hydraulic Cylinder Tubes cold drawn and stress relieved with honed or skived and roller burnished I/D. End use: Industrial and agricultural cylinders. Cast Iron 4E: Grey Cast Iron with excellent machinability and good resistance to wear. End use: Bushings, bearings, gears, pistons, pulleys, sprockets etc. 3D: Ductile Cast Iron with good strength, toughness and impact resistance. End use: Gears, sprockets, plus applications requiring good resistance to shock. Cast Iron Hollow Bar 2P: Grey Cast Iron with good wear resistance plus the ability to withstand high pressure without leaking. End use: Piston rings, bushes, cylinder liners etc. 3D: Ductile Cast Iron with good strength, toughness and impact resistance. End use: Ring gears, conveyor rollers, bushes, cylinders etc. Specials No specials at this time, please check back soon . . .