Phosphor Bronze Circles Manufacturers in India

Precision Bronze Circles

Manufactured from high-quality Bronze alloys, our Bronze Circles are produced under stringent quality standards to provide excellent dimensional accuracy, durability, strength, and reliable performance. Available in a wide range of copper-zinc compositions and tempers, these circles are suitable for diverse industrial and engineering applications. Customized sizes, diameters, thicknesses, and specifications can be supplied as per specific customer requirements.

High Durability & Strength: Designed to provide reliable mechanical performance and long service life in demanding industrial applications.
Excellent Dimensional Accuracy: Manufactured with controlled processes to achieve precise thickness and diameter specifications.
Wide Range of Bronze Grades: Available in multiple copper-zinc compositions to suit different engineering and manufacturing requirements.
Customized Specifications: Available in customized thicknesses, diameters, sizes, compositions, and tempers according to customer requirements.

Dimensional Size Chart

Parameter	Minimum Spec	Maximum Spec
Thickness	0.20 mm	2.50 mm
Diameter	30 mm	370 mm
Composition	CuZn40	CuZn05
Hardness	60 VPN	220 VPN

Phosphor Bronze Grades Offered

We offer Phosphor Bronze Circles in selected copper-tin compositions and tempers for electrical, engineering, spring, bearing, switchgear, and industrial applications.

Grade Name	Composition	Cu / Sn %	Key Properties & Applications
PB-I	96/04	Cu 96% / Sn 4%	Strong and resilient phosphor bronze composition suitable for springs, electrical components, bearings, bushings, and general engineering applications.
PB-II	95/05	Cu 95% / Sn 5%	Excellent combination of strength, fatigue resistance, and corrosion resistance for demanding industrial and electrical applications.
PB-III	94/06	Cu 94% / Sn 6%	High-performance phosphor bronze suitable for springs, bearings, bushings, electrical switches, and specialized engineering applications.
Custom	Cu/Sn	As Required	Customized phosphor bronze compositions and specifications available to meet specific industrial requirements.

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Material Hardness

Temper Reference

Available temper conditions selected to support forming, fabrication, spring, and general industrial requirements.

Temper State	Symbol	Formability Profile
Soft	O	Soft condition offering high formability for bending, shaping, and other forming operations.
Quarter Hard	HA	Provides a practical balance between strength and formability for fabrication and forming work.
Half Hard	HB	Offers increased hardness and strength while retaining useful forming characteristics.
Full Hard	HD	Higher hardness condition suited to applications where greater strength and rigidity are required.
Extra Hard	HE	Enhanced hardness and strength for applications demanding greater resistance to deformation.
Spring Hard	HS	High-strength temper intended for applications requiring spring characteristics and resilience.

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