Customized parts made of bronze and brass

The Company LCC "INTECH GmbH" offers the customized parts from the following types of bronze, brass and copper-alloys:

• with aluminum and iron content
  • without alloying elements
  • with tin
  • with manganese
  • with nickel and manganese
• with aluminum and silicon content
• with aluminum, nickel, iron and manganese additive content
• with zink content
  • with manganese, aluminum, lead and silicon additive
  • with aluminum, manganese and iron additive
• with chrome and zirconium content
• with nickel, silicon and chrome content
• with cobalt and berrylium content
• with nickel and berrylium content and cobalt additive
• with berrylium content and nickel and cobalt additive
• with lead and tin content, and nickel, antimony and zinc additive
• with tin content and lead, nickel, zinc, phosphorus and antimony additive

Without alloying elements

Parts made from bronze with the content of 9% aluminum, 3% iron

are usually used at moderate operation modes, which presuppose the mild wear and fatigue loads at the temperatures up to 315 °C. The products have good corrosion resistance, including in seawater and non-oxidizing non-organic acids. The alloy welds at gaseous protection.

The fabrication of the following parts from the bronze is the most popular:

• eccentric gears
• sleeves
• separators
• rolling bearing
• valve guides and stems
• slide bearings

Mechanical characteristics and physical properties:

Parts made from bronze with the content of 10,5% aluminum, 3,5% iron

are usually made by extrusion or centrifugal casting. The parts can be used under extreme exploitation conditions and have good fatigue strength and excellent wear resistance and, by proper thermal processing, shock resistance. The material has good slide properties.

The following parts are made from the bronze of this type:

• bearing boxes
• gears
• worm wheels
• valve cages and guide inserts
• working sections of hydraulic valves
• pump rod parts
• guide pin, plate and slider inserts
• guiding shoes, tension nuts
• spark-proof crane wheels

Mechanical characteristics and physical properties:

Parts made from bronze with the content of 14,4% aluminum, 4,7% iron

Material is made of an alloy, which has two-phase gamma and beta structure in equal proportions. The parts from this bronze have almost zero tensile, high hardness, excellent pressure, wearing qualities and guarantees good slide.

The following parts are made from the bronze of this type:

• parts for pressing or drawing of the stainless steels
• draw plates
• forming rolls
• bending and wiping slabs

Mechanical characteristics and physical properties:

With tin

Parts made from bronze with the content of 6,5% aluminum, 2,5% iron, 0,25% tin

The metal has a multiphase structure and good yielding and metal ductility together with good shock resistance. The parts from this material are corrosion, pitting corrosion and abrasion resistant.

The following parts are made from the bronze of this type:

• Pipes and tubes with screw joints
• Fixing arrangements (bolts, nuts, screws)
• Inserts
• Bearings

With manganese

Parts made from bronze with the content of 13,1% aluminum, 4,4% iron, 2% manganese

Bronze with manganese content has multiphase structure and, by correct gamma-phase distribution, this material is very wear-resistant and comparable to hardened steel.

The following parts are made from the bronze of this type:

• Guided sleeves
• Wear-resistant plates
• Cams operating without load impacts
• Moulding rolls
• Extruder inserts and channels
• Parts for moulding or drawing of the stainless steels

Mechanical characteristics and physical properties:

With nickel and manganese

Parts made from bronze with the content of 10-10,5% aluminum, 2,5-4,8% nickel, 1,0-1,5% manganese

The mechanical characteristics of this alloy are similar to those of beryllium-copper alloys, but this alloy has lower conversion cost. The products and profiles are manufactured by extrusion or drawing. The parts from this material have excellent mechanical characteristics at high temperatures. The material is also used where the high abrasion resistance is required or where there are substantial deformation loads and chemical erosion.

The following parts are made from the bronze of this type:

• chassis sleeves and bearings
• motor bearings
• wear rings
• shipbuilding shafts
• pumps
• valve stems and seats
• machine tool parts for spark-proof and ex-protected design
• shoes and expanders for pipe bending
• gear wheels
• wear-resistant plates of guidance mechanisms

Mechanical characteristics and physical properties:

Aluminum content 7,0 %, silicon 2,0%.

The material perfectly proves itself during hot moulding, forging in hot condition and machining. The products from the bronze of this type are well connected by braze soldier and arc welding.

The following parts are made from the copper-alloy of this type:

• valve stems and seats
• valve casings
• overhead power line fittings
• sleeves and cams
• bearings
• fixing arrangements (bolts, nuts, screws) including ship-building

Mechanical characteristics:

Aluminum content 8,5-11,0 %, nickel 4-6 %, iron 2-5 %, manganese up to 1,5%

The material has good mechanical characteristics, is corrosion-resistant, including in seawater. The parts from this alloy are made mostly by the method of extrusion.

The following parts are made from the copper-alloy of this type:

• Screw connections with high load
• Gears
• Building parts

Mechanical characteristics and physical properties:

with manganese, aluminum, lead and silicon additives

Parts from brass, zinc content 34-37%, aluminum 0-1,6%, manganese 2,5 %, lead 0,4-2,2 %, silicon 0,7-1,0%.

The material perfectly proves itself during hot moulding, forging in hot condition and machining. By the increasing of lead content, the parts are more easily machined, and the Tensile strength at breakand yield point significantly decrease. The parts from this material are used in load-carrying structures, where corrosion-resistance is required.

The following parts are made from the brass of this type:

• Load-carrying structures and elements
• Sleeves
• Gears
• Cams
• Fixing arrangements (bolts, nuts, screws)
• Worm and gear pairs
• Connecting parts, including in couplings
• Shafts and nuts of the lead screws in shipbuilding.

Mechanical characteristics and physical properties:

with aluminum, manganese and iron additive

Parts made from brass, zink content 26%, aluminum 6%, manganese 3 %, iron 3%.

The material of this composition has high resistance, good fatigue life and excellent corrosion resistance. Products made from this alloy are manufactured by continuous casting method.

The following parts are made from the brass of this type:

• Load-carrying structures and elements with high load
• Bearings
• Worm-and-worm gear
• Cams
• Connecting rods
• Screw nuts
• Segment sliding sleeves
• Valve and faucet parts

Mechanical characteristics and physical properties:

Chrome content 1%, zirconium 0,1%.

This alloy has high electrical conductivity and works well at high temperature conditions saving good mechanical characteristics ranging from 300-500°C. The material is basically formed by pressing or drawing method.

The following parts are made from the copper-alloy of this type:

• Electrode tips in automobile manufacturing
• Electrodes and different types of electrode carriers
• Jaws for welding job
• Accessories and elements of electrical equipment
• Pressing equipment parts

Mechanical characteristics and physical properties:

Nickel content 2,5 - 7%, silicon 0,7 – 2% and chrome 0,4 – 1%

This material meets high ecological and health safety requirements as an alternative to bronze with beryllium. This alloy has good thermal and electrical conductivity at excellent mechanical characteristics. The product is manufactured by the method of extrusion moulding.

The following parts are made from the copper-alloy of this type:

• Electrodes and different types of electrode carriers
• Parts of spot and seam welding (discs, jaw blocks, electrodes)
• Plungers pressing elements of cold moulding presses
• Chill moulds at intrusion moulding
• Nozzle
• Parts and accessories of electrical equipment
• Brake drums
• Cooling elements parts
• Moulds for intrusion moulding at pressure
• Moulds for high temperature and pneumatic moulding

Mechanical characteristics and physical properties:

Parts made from bronze, cobalt content 2,4%, berrylium 0,5%

This material unlike other similar alloys have improved mechanical characteristics. Products from this material are usually made by pressing or extrusion method.

The following parts are made from the copper of this type:

• contact welding electrodes
• jaw blocks to fusion welding machine
• grid welding electrodes
• seam welding
• electrode carriers
• plungers working parts of aluminum casting machines at pressure
• plungers working parts of plastic mass casting machines at pressure

Mechanical characteristics and physical properties:

Nickel content 1,8%, berrylium 0,4%, cobalt up to 0,3%

This material is similar to previous alloy with cobalt and berrylium additives and has improved mechanical characteristics. Products from this material are usually moulded by extrusion method.

The following parts are made from the bronze of this type:

• jaw blocks to fusion welding machine
• welding wheels
• grid welding electrodes
• damper alternator ring
• plungers working parts of plastic mass casting machines at pressure

Mechanical characteristics and physical properties:

Berrylium content 1,9%, nickel and cobalt 0,5%.

Berrylium alloy has excellent mechanical characteristics, thermal and electrical conductivity. Products from this material are usually moulded by extrusion method.

The following parts are made from the bronze of this type:

• seam welding working parts, including melting
• electrical connecting parts
• plates, back rings and inserts in moulds

Mechanical characteristics and physical properties:

Lead content 8-17%, tin 7-11%, nickel 1,5-2%, antimony 0,5%, zink 2-3%.

Leaded bronze does not have high mechanical characteristics and slide indicators but is corrosion resistant in seawater and in some acids including sulfuric acid. Products from this alloy are usually made by casting method including continuous and centrifugal casting.

The following parts are usually made from the bronze of this type:

• high speed bearing
• sleeves

Mechanical characteristics and physical properties:

Tin content 6-13%, lead 1-7%, nickel 2%, zinc 1-5%, phosphorus 0-0,4%, antimony 0,2-0,3%.

Tin bronze has good mechanical characteristics and reasonably good corrosion resistance. Products from this alloy are usually made by casting method including continuous and centrifugal.

The following parts are made from the bronze of this type:

• bearing pads of general application
• slide sleeves of high radial and axial load
• spindle screws
• packing nuts
• gear wheels
• machinery components

Mechanical characteristics and physical properties:

Manufacturing and engineering company LCC "INTECH GmbH" is also ready to deliver for customers parts made from special stainless steels of high mechanical resistance and wear-resistance, heat-resistant steels, stellen, ceramics and steels with lining:

• mill rolls of cold and hot rolling
• spindles and cardan shafts of rolling mills
• furnace rolls including with special lining
• submersible equipment made from stellen and ceramics for hot galvanizing stainless strip and parts process