Sunrise Metals

Brass Pipe / Tube – Specifications 1. Material Grades Common brass alloys used for pipes: • CuZn30 (70/30 Brass) – Cartridge brass • CuZn37 (63/37 Brass) – Yellow brass • CZ108 – General engineering brass • C27200 / C28000 (ASTM) – Standard brass tube grades Most common in India: 63/37 Brass (Cu 63%, Zn 37%) ⸻ 2. Types of Brass Pipes • Seamless Brass Tubes • Welded Brass Tubes • Round, Square and Rectangular Tubes • Hard Drawn / Soft Annealed • Plain or Grooved Finish ⸻ 3. Size Range Round Tubes • Outer Diameter: 4 mm to 150 mm • Thickness: 0.5 mm to 10 mm • Length: 3 meters standard, cut lengths available Square / Rectangular Tubes • 10x10 mm to 100x50 mm • Thickness: 1 mm to 6 mm ⸻ 4. Mechanical Properties (Typical values for 63/37 brass) • Tensile Strength: 300–500 MPa • Yield Strength: 100–350 MPa • Elongation: 10–30% • Hardness: 80–150 HB (depends on temper) Brass offers good ductility and machinability. ⸻ 5. Chemical Composition (Typical 63/37 Brass) • Copper: ~63% • Zinc: ~37% • Trace elements: Fe, Pb, Sn (very small amounts) ⸻ 6. Surface Finish • Smooth golden-yellow finish • Polished / bright finish • Can be lacquered to avoid tarnish • Non-corrosive and durable ⸻ 7. Features • Naturally corrosion resistant • Strong and flexible • Excellent machinability • Good thermal and electrical conductivity • Long service life • Attractive appearance (gold-like finish) ⸻ 8. Applications • Sanitary fittings • Heat exchangers • Plumbing and water lines • Decorative hardware • Electrical components • Auto and machinery parts • Instrumentation and gauges

Brass Sheets & Plates – Specifications 1. Material Grades Common brass alloys used: • C260 / C268 (Cartridge Brass) – Good strength and deep draw • C280 / C272 (Yellow Brass) – Versatile, widely used • CuZn37 (63/37 Brass) – Most common in India • C353 / C360 (Free Cutting Brass) – Machining grade • C464 (Naval Brass) – Marine applications, high corrosion resistance Most preferred for sheets and plates: C260 and 63/37 Brass ⸻ 2. Thickness Range Brass is supplied as sheets (thin) and plates (thick): Sheets • 0.3 mm to 6 mm Plates • 6 mm to 50 mm or more depending on requirement Common market sizes: • 0.5 mm • 0.8 mm • 1 mm • 1.5 mm • 2 mm • 3 mm • 4 mm • 5 mm • 6 mm and up (plate range) ⸻ 3. Standard Sizes • 1000 mm x 2000 mm • 1220 mm x 2440 mm • 1500 mm x 3000 mm (less common) Custom cutting is widely available. ⸻ 4. Tempers (Hardness) • Soft (Annealed) – For deep drawing and bending • Half Hard – General fabrication • Hard / Full Hard – Stamping and architectural use ⸻ 5. Mechanical Properties (Typical for CuZn37 – 63/37 Brass) • Tensile Strength: 300–550 MPa • Yield Strength: 90–250 MPa • Elongation: 20–35% • Hardness: 70–130 HB depending on temper Brass plates are stronger due to higher thickness. ⸻ 6. Chemical Composition (Typical Yellow Brass – CuZn37) • Copper: ~63% • Zinc: ~37% • Trace amounts: Pb, Sn, Fe For C260 (Cartridge brass): • Copper: ~70% • Zinc: ~30% ⸻ 7. Surface Finish • Mill finish • Polished bright finish • Brush finish (optional) • Lacquer coating available to prevent tarnish Colour remains a golden-yellow tone. ⸻ 8. Features • Clean and smooth surface • Easy to cut, bend and machine • Good strength and corrosion resistance • Suitable for decorative and industrial work • Can be laser cut and stamped • Non-magnetic and long lasting ⸻ 9. Applications • Decorative panels and interior design • Electrical components and terminals • Nameplates, signage and tags • Hardware, fittings and architectural items • Precision machined parts • Musical instruments • Automobile and industrial parts • Heat exchanger components • Marine hardware (Naval brass variants)

1. Material Grades Common brass alloys used: • C36000 (Free Cutting Brass) – Very easy to machine, most popular • C38500 (Architectural Brass) • C27200 / C28000 (Yellow Brass) • CuZn39Pb3 – Free machining grade • CuZn37 (63/37 Brass) – General purpose Most commonly used in India: C360 and 63/37 Brass ⸻ 2. Size Range • Diameter: 4 mm to 200 mm • Common sizes: 6 mm, 8 mm, 10 mm, 12 mm, 16 mm, 20 mm, 25 mm, 32 mm, 40 mm, 50 mm • Standard length: 3 meters • Cut lengths available ⸻ 3. Mechanical Properties (Typical for C360 Grade) • Tensile Strength: 350–550 MPa • Yield Strength: 100–300 MPa • Elongation: 20–25% • Hardness: 80–130 HB C360 is known for excellent machinability and smooth cutting. ⸻ 4. Chemical Composition (C360 Approx.) • Copper: 60% • Zinc: 35% • Lead: 3% (improves machinability) • Other elements: small traces ⸻ 5. Surface Finish • Bright golden-yellow finish • Smooth and polished • Can be supplied in drawn, extruded or forged form • No rusting because brass is non-ferrous ⸻ 6. Features • Very good machinability • Strong and corrosion resistant • Good for turning, threading and CNC work • Decorative appearance • Good electrical and thermal conductivity ⸻ 7. Applications • CNC and machining parts • Electrical components • Shafts, pins, valves and fittings • Gears and bushings • Plumbing hardware • Decorative items • Instrument parts • Marine components

Brass Flat – Specifications 1. Material Grades Common alloys used for brass flats: • C360 (Free Cutting Brass) – Best machinability • C280 / C272 (Yellow Brass) – General purpose • CuZn37 (63/37 Brass) – Widely used • C385 (Architectural Brass) – Good for decorative use • Naval Brass (C464) – Marine-grade, high corrosion resistance Most common in India: 63/37 Brass and C360 Brass ⸻ 2. Size Range Width • 10 mm to 200 mm Thickness • 3 mm to 25 mm Length • Standard: 3 meters • Cut length available on request ⸻ 3. Forms Available • Extruded brass flats • Drawn brass flats • Rolled brass flats • Polished or mill finish ⸻ 4. Mechanical Properties (Typical for 63/37 Brass) • Tensile Strength: 300–550 MPa • Yield Strength: 100–250 MPa • Elongation: 20–30% • Hardness: 80–150 HB Brass is strong, ductile and easy to work with. ⸻ 5. Chemical Composition (Typical Yellow Brass – CuZn37) • Copper: ~63% • Zinc: ~37% • Small traces of Pb, Fe, Sn For Free Cutting Brass (C360): • Copper: ~60% • Zinc: ~35% • Lead: ~3% ⸻ 6. Surface Finish • Smooth golden-yellow finish • Bright polished finish available • Can be lacquered to prevent tarnish • Corrosion-resistant ⸻ 7. Features • Excellent machinability • High corrosion resistance • Good strength and durability • Attractive appearance for decorative work • Easy to cut, drill and shape ⸻ 8. Applications • Electrical components • Connectors and terminals • Decorative hardware • Locks and fittings • Bus bars (for certain grades) • Engineering parts • Instrument parts • Marine and plumbing parts • Custom machined components

1. Material Grades Common brass alloys used: • C36000 (Free Cutting Brass) – Very easy to machine, most popular • C38500 (Architectural Brass) • C27200 / C28000 (Yellow Brass) • CuZn39Pb3 – Free machining grade • CuZn37 (63/37 Brass) – General purpose Most commonly used in India: C360 and 63/37 Brass ⸻ 2. Size Range • Diameter: 4 mm to 200 mm • Common sizes: 6 mm, 8 mm, 10 mm, 12 mm, 16 mm, 20 mm, 25 mm, 32 mm, 40 mm, 50 mm • Standard length: 3 meters • Cut lengths available ⸻ 3. Mechanical Properties (Typical for C360 Grade) • Tensile Strength: 350–550 MPa • Yield Strength: 100–300 MPa • Elongation: 20–25% • Hardness: 80–130 HB C360 is known for excellent machinability and smooth cutting. ⸻ 4. Chemical Composition (C360 Approx.) • Copper: 60% • Zinc: 35% • Lead: 3% (improves machinability) • Other elements: small traces ⸻ 5. Surface Finish • Bright golden-yellow finish • Smooth and polished • Can be supplied in drawn, extruded or forged form • No rusting because brass is non-ferrous ⸻ 6. Features • Very good machinability • Strong and corrosion resistant • Good for turning, threading and CNC work • Decorative appearance • Good electrical and thermal conductivity ⸻ 7. Applications • CNC and machining parts • Electrical components • Shafts, pins, valves and fittings • Gears and bushings • Plumbing hardware • Decorative items • Instrument parts • Marine components

Brass Sheets & Plates – Specifications 1. Material Grades Common brass alloys used: • C260 / C268 (Cartridge Brass) – Good strength and deep draw • C280 / C272 (Yellow Brass) – Versatile, widely used • CuZn37 (63/37 Brass) – Most common in India • C353 / C360 (Free Cutting Brass) – Machining grade • C464 (Naval Brass) – Marine applications, high corrosion resistance Most preferred for sheets and plates: C260 and 63/37 Brass ⸻ 2. Thickness Range Brass is supplied as sheets (thin) and plates (thick): Sheets • 0.3 mm to 6 mm Plates • 6 mm to 50 mm or more depending on requirement Common market sizes: • 0.5 mm • 0.8 mm • 1 mm • 1.5 mm • 2 mm • 3 mm • 4 mm • 5 mm • 6 mm and up (plate range) ⸻ 3. Standard Sizes • 1000 mm x 2000 mm • 1220 mm x 2440 mm • 1500 mm x 3000 mm (less common) Custom cutting is widely available. ⸻ 4. Tempers (Hardness) • Soft (Annealed) – For deep drawing and bending • Half Hard – General fabrication • Hard / Full Hard – Stamping and architectural use ⸻ 5. Mechanical Properties (Typical for CuZn37 – 63/37 Brass) • Tensile Strength: 300–550 MPa • Yield Strength: 90–250 MPa • Elongation: 20–35% • Hardness: 70–130 HB depending on temper Brass plates are stronger due to higher thickness. ⸻ 6. Chemical Composition (Typical Yellow Brass – CuZn37) • Copper: ~63% • Zinc: ~37% • Trace amounts: Pb, Sn, Fe For C260 (Cartridge brass): • Copper: ~70% • Zinc: ~30% ⸻ 7. Surface Finish • Mill finish • Polished bright finish • Brush finish (optional) • Lacquer coating available to prevent tarnish Colour remains a golden-yellow tone. ⸻ 8. Features • Clean and smooth surface • Easy to cut, bend and machine • Good strength and corrosion resistance • Suitable for decorative and industrial work • Can be laser cut and stamped • Non-magnetic and long lastin 9. Applications • Decorative panels and interior design • Electrical components and terminals • Nameplates, signage and tags • Hardware, fittings and architectural items • Precision machined parts • Musical instruments • Automobile and industrial parts • Heat exchanger components • Marine hardware (Naval brass variants)