Substitutional Alloy (for Copper Alloy)

Powerway Alloy creates high precision copper alloy rods and wires in a variety of styles with optimal quality. It is our goal to create low-cost, high-performance alloy materials through our advanced research and development. This Eco-friendly alloy is a substitutional alloy for certain types of brass. This Cu-Ti-Zr-Zn alloy is applicable to telecommunications, automatic processing and locking applications.

Categories: Bar & Wire production-Copper Alloy Substitute

Name: Eco-Friendly Alloy, Cu-Ti-Zr-Zn Alloy

Number: PWZ61003, PWZ61010, PWZ13007, PWZ18500

Alloy Features
Green environmental protection, full compliance with EU, RoHS and REACH regulations;
Free cutting, machining efficiency is close to leaded brass C3604;

1. Material Categories of the Cu-Ti-Zr-Zn Alloy

Categories	Chemical Compositions ( % )
	Al	Bi	Cu	Mn	Mg	Ti	Zr	Zn
PWZ61010 (High Strength)	9-11		1.5-2.5		0.03-0.065	0.001-0.1	0.001-0.1	Rest
PWZ61003 (Excellent polishability )	3.5-4.5		0.2-0.35		0.03-0.065	0.001-0.1	0.001-0.1	Rest
PWZ18500 (Free cutting)		0.2-0.5	4-5	0.1-0.2		0.001-0.2	0.001-0.1	Rest
PWZ61800 (Free cutting)	9-11	0.15-0.25	1.5-2.5		0.03-0.065	0.001-0.1	0.001-0.1	Rest
PWZ13007 (Creep resistant)			6.5-7.5	0.2-0.3		0.001-0.2	0.001-0.1	Rest
PWZ10300 (High ductility )			2.5-3.5			0.12-0.18	0.001-0.1	Rest
PWZ17001 (Creep resistant)			0.5-2.0			0.12-0.18	0.001-0.1	Rest
PWZ16007 (High ductivity )	0.3-0.9		1.0-1.8		≤0.2			Rest
PWZ61042 (High ductility )	2.1-2.3		2.1-2.4		0.03-0.065	0.001-0.1	0.001-0.1	Rest

Categories	Properties
	Tensile Strength MPa	Hardness HV5	Elongation %	Conductivity IACS%	Thermal Conductivity W/(m·k)	Corrosion Rate (NSS 168h) g/cm2.y (ref.)	Yield Strength MPa	Density g/cm3	Linear Expansion Coefficient ×10-6 ℃ -1(ref.)	Impact Energy/J (10×10×55mm)		RoHS
										Non -notched	V -notched
PWZ61010 (High Strength)	300-480	90-130	5-25	26-29	120-133	0.09	250-350	6.3	24.2	126	6.63	Pass
PWZ61003 (Excellent polishability )	240-400	75-115	10-40	26-29	120-133	0.343	180-300	6.6	27	150	6.35	Pass
PWZ18500 (Free cutting)	200-400	70-110	10-40	22-24	101-110	0.12	180-280	7.2	26			Pass
PWZ61800 (Free cutting)	300-500	90-150	5-25	26-29			250-350	6.3	27			Pass
PWZ13007 (Creep resistant)	330-480	90-120	15-40	18-21	83-97	0.562	200-300	7.4	25.5	29	1.65	Pass
PWZ10300 (High ductility )	200-320	40-80	25-50	24-26	110-120		140-220	7.2	26			Pass
PWZ17001 (Creep resistant)	150-250	40-60	30-60	25-28				7.1	27			Pass
PWZ16007 (High ductivity )	250-440	100-135	3-18	24-26			180-250	7.1	27			Pass
PWZ61042 (High ductility )	300-430	100-125	10-25	24-27			150-300	6.9				Pass

Categories	Application
PWZ61010 (High Strength)	Electronics, hardware, pen-making, valves, auto accessories, connectors
PWZ61003 (Excellent polishability )	Sanitary, polished parts
PWZ18500 (Free cutting)	Machined parts, automatic lathe
PWZ61800 (Free cutting)	Machined parts, automatic lathe
PWZ13007 (Creep resistant)	Machining, automatic lathe, High straightness required parts
PWZ10300 (High ductility )	Copper-coated zinc, shielded wire
PWZ17001 (Creep resistant)	Cold heading
PWZ16007 (High ductivity )	Cold heading
PWZ61042 (High ductility )	Cold heading, Riveting

2. Production Specification of the Cu-Ti-Zr-Zn Alloy

Shape	Round	Hexagon/ Square	Flats	Profiles	Tube (Round/ Hexagon)
Specification	φ2-40	S4-30/a4-30	Thickness ratio <= 5 Section area<=100mm2 Max. Width of diagonal:45mm	Min. wall thickness>=4mm Thickness ratio<=4mm Section area>=150mm2 Max. Width of diagonal:45mm	OD:10-40 Wall thickness>=4mm or OD:11-18 Wall thickness>=3mm Inner bore>=5mm
Geometric tolerance	GB/T4423- 2007M gradefor drawn brass bar	GB/T4423- 2007M grade for drawn brass bar with straightness controlled at1mm/M	GB/T4423- 2007M grade for drawn brass bar with straightness controlled at 1mm/M	GB/T4423- 2007M grade for drawn brass bar with straightness controlled at 1mm/M	GB/T4423- 2007M grade for drawn brass bar with ID & wall thickness tolerance <= /0.3mm, OD tolerance <= /-0.15mm and welded joint allowed