Information about aluminium bronze

Lagermetall AB have during year 2004, been given the possibility to offer our clients and the market, a close to complete program of extrahard aluminum-bronzes ( AB-alloys)

These AB-alloys have the following characteristica:

AB alloys - have a hardness pending from ca. 200 HB up till 400 HB. Can be used in all sorts of applications where high demands are requested for, when it comes to tensile strength, abrasion- and wear/tear-resistance as well as good sliding abilities.

Ex. on areas of use are e.g. tool-parts in injection moulding of plastics and for wear-parts within the manufacturing process of various steel alloys ( in forming-, drawing- or bending-operations for steel/stainless steel, work support blades for centreless grinding of steel bars, guide port bushings and wear strips replacing hardened steel) etc.

Sprayforming och övriga aluminiumbronser

(delvis lagervara, annars ca. 1 vecka leveranstid)

Alloy-name	Content (nom.values)					Compareable alloys (The alloys below are either identical or fully equivalent with)	Available as
	Al	Fe	Ni	Mn	Övr		Forged materl.	Form- gjut- gods	Sand- or die-cast
AB 200	11	4			0.5	CuAl10Fe / CC 331 G C 954 00 ASTM B505	X	X	X
AB 220 Ni	10	4	4	1.5	0.5	CuAl10Ni5Fe4 / 5716-20 EN CW 307 G ASTM C63200	X	X	X
AB 260 Ni	11.5	5	5	0.6	0.5	CuAl11Fe6Ni6 EN CW 308 G	X	X	X
AB 300	13	4			2	Unnormed special alloy	X	X	X
AB 300 HSC	13	4			2	Unnormed special alloy WAB 1	X	X	X
AB 340	14	5			2	Unnormed special alloy	X	X	X
AB 340 HSC	14	5			2	Unnormed special alloy WAB 3	X	X	X
AB 380	15	5			5	Unnormed special alloy	X	X	X
AB 380 HSC	15	5			5	Unnormed special alloy WAB 2			X

 

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Alloy-name	Hardness Brinell HB	Tensile strength Rm N/mm2	Yield strength Rp 0.2 N/mm2	Elong. in % A5	Compression strength Mpa	Density g/cm3	Modulus of elasticity KN/mm2
AB 200	200 180 190	700 600 > 586	350 260 > 221	> 8 > 8 > 12		7.5	117.7
AB 220 Ni	220 200 210	700 600 700	420 350 480	> 10 > 6 > 10		7.7	127.5
AB 260 Ni	260 240 260	800 650 800	600 380 600	> 6 > 4 > 8		7.6	127.5
AB 300	300 300 300	> 560	> 470	1		7.2	110
AB 300 HSC	300 300 300	> 700	> 400	2	1254	7.2	105
AB 340	340 340 340	> 630	> 540	0.5		7.1	105
AB 340 HSC	340 340 340	> 650	> 400	2	1254	7.1	105
AB 380	380 360 380	> 680	> 590	< 0.5		7.0	120
AB 380 HSC	400	> 650	> 400	2	1466	7.0	120

 

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Alloy-name	Thermal conductivity at 20°C W/m•k	Machineability (Free cutting brass = Index 100/100)	Description of the alloy Areas of use
AB 200	60	40/100	Wear resistant material with good sliding abilities. High resistant material. Parts for rolling mills, worm wheels, for sliding elements with wear/tear use.
AB 220 Ni	45	40/100	Wear resistant material with good sliding abilities. High resistant material. Parts for rolling mills, worm wheels, for sliding elements with wear/tear use.
AB 260 Ni	40	40/100	Same abilities as AB-220 Ni, but with heavily increased mechanical values. For sliding-elements with high demands on resistance and insensitivity to shock.
AB 300	42	40/100	Material with good compression strength. Wear resistant and insensitive to shock. parts for sheet metal tools, guide-plates .-bearings mating hardened steel-alloys.
AB 300 HSC	42	60/100	Areas of use are identical to AB-300. but easier to machine (ca. 20 %). Faster to machine and friendlier to the tools…
AB 340	40	40/100	Material with high compression strength. Abrasionresistant, but sensitive to shock. Parts to extrusion-plants (steel), tools for shaping metal sheets etc.
AB 340 HSC	42	60/100	Areas of use are identical to AB-340. but easier to machine (ca. 20 %). Faster to machine and friendlier to the tools…
AB 380	34	40/100	Very hard, but brittle material. Wear resistant and long term resistant to abrasion. Excellent sliding ability. Areas of use like AB-340, but stronger.
AB 380 HSC	35	60/100	Areas of use are identical to AB-380. but easier to machine (ca. 20 %). Faster to machine and friendlier to the tools…

 

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