Power Mech

AMPCO SPECIFICATIION

				Chemical composition (Remainder Cu)						Mechanical & physical properties
		PROPERTIES	RECOMMENDED APPLICATIONS	Sn	Zn	Al	Fe	Ni	Mn	D Kg/dm3	Rm MPa	Rp0,2 MPa	A 5 %	HB 10/30	W m.K
Ampco bronze	Ampco 8	resistance combined with good mechanical properties, good sliding characteristics and cavitation resistance	Use in the chemical industry as well as for bearings, bushings and slides	0.25		6,5	2,5			7,95	552	283	40	153	54
	Ampco 18	Very good tensile and yield strength allied with high hardness and good elongation. Excellent sliding characteristics, high resistance against mechanical wear and corrosion.	Bearings, guides, cardan links, wear plates, srew nuts, sliding nuts, gear wheels, worm gears			10,5	3,5			7,45	724	365	14	192	63
	Ampco 18-23	Remarkably improved compression, tensile strength and hardness compared to Ampco 18, where elongation and impact values remain more or less the same.	Screw nuts, worm gear wheels, pressure blocks, bushings, bending tools, shaft bearings, core inserts			10,5	3,5			7,45	758	386	16	207	59
	Ampco 21	High pressure resistance and good resistance against mechanical wear. Very good sliding caracteristics, high hardness and small elongation.	Guiding bars and supports for polishing, straightening chucks, bending tools, guides, wear plates			13,1	4,4		2	7,21	758	420	1	286	46
	Ampco 22	Very high hardness, small elongation. Good sliding caracteristics, high resistance against abrasion and high pressure resistance.	Deep-drawing tools, bending tools, guiding rolls, pressure rolls for welding, forming rolls			14,1	4,7		2	7,06	724	427	0,5	332	42
	Ampco 25	Has an extraordinary high hardness, pressure resistance and resistance against abrasion. Excellent for static loads.	Forming tools, guides, bending balls, taper key, deep-drawing dies, punch, hold-downs, tapered guides	Not published						6,93	>500	>500	0	364	33
	Ampco 26	Highest values for hardness, pressure and wear resistance. Brittleness of this alloy excludes impact and shock loads.	Forming technique, deep-drawing dies and punch	Not published						6,93	>440	>440	0	420	33
	Ampco 45	Combine values of high hardness, toughness and tensile strength for high dynamic loads.	Forming technique, deep-drawing dies, safety tools, cores in injection moulds for screw caps			10	2,5	5	1,5	7,53	814	517	15	228	46
	Ampco M-4	Ideal combination of high hardness, tensile strength and pressure resistance for high dynamic loads. High resistance against abrasion.	Pump components, gear-box pinions, bending tools, wiper dies, unscrewing cores			10,5	4,8	5	1,5	7,45	1000	793	8	286	42


				PROPERTIES	RECOMMENDED APPLICATIONS			Cr		Co		Be		Zr		Ni		Si
Ampcoloy alloys		Ampcoloy 83		Highest values for tensile strength, yield strength and hardness, therefore best wear and bending resistance. Good thermal and electrical conductivity.	Resistance welding technique, plastic injection technique, inserts					0,5		2								8,26		1310		1000		4	380			106
		Ampcoloy 88		High resistance to annealing effect and high wear resistance with good electrical and thermal conductivity.	Resistance welding technique, forming inserts, diecast technique			CO+NI:3				0,5								8,75		890		680		14	270			230
		Ampcoloy 940		Berylliumfree alloy with good resistance to annealing effect and highly proven good combination of tensile strength and high thermal conductivity.	Plastic injection mould technique, forming cores, core pins, nozzles, thermoforming			0,4								2,5		0,7		8,71		689		517		13	210			208
		Ampcoloy 944		Berylliumfree alloy with unsurpassed combination of heat conductivity, excellent hardness and high tensile strength.	Plastic injection moulding, thermoforming, blow moulding			1								7		2		8,7		938		730		5	295			156
		Ampcoloy 95		Excellent mechanical and physical properties. High annealing effect resistance and high wear resistance.	Plastic injection technique, diecast technique, resistance welding			CO+NI:3				0,5								8,75		830		550		10	240			208
		Ampcoloy 972		High resistance to annealing effect with highest thermal and electrical conductivity. High wear resistance at high temperature.	Resistance welding technique, plastic injection moulding technique			1,0						0,12						8,87		520		466		20	152			333
			PROPERTIES			RECOMMENDED APPLICATIONS	Sn		Zn		Pb		Al		Fe		Ni		Mn		D/ kg/dm3		Rm MPa		Rp0,2 MPa			A 5 %	HB 10/30
Tin-lead bronze	A 30		Good sliding properties also with poor lubrication or even with water lubrication only.			Friction bearings with low loads and high speeds	8				15