Atomfair Copper & Brass Strips – International Product Specification

1. Product Overview

Atomfair Copper and Brass Strips are renowned for exceptional ductility, reliable corrosion resistance, brilliant metallic luster, and robust structural performance. The materials can be easily chemically colored, making them versatile for architectural, apparel, infrastructure, and manufacturing applications.

All strips are produced via precision processes including ingot casting, hot rolling, cold rolling, heat treatment, surface cleaning, slitting, finishing, and packaging, ensuring consistent quality for global customers.

2. Key Technical Parameters

2.1 Alloy Standard Correspondence

Product Type	Chinese Standard	ISO Standard	ASTM Standard (UNS)	JIS Standard
Copper Strip	T2	Cu-FRHC	C11000	C1100
Brass Strip	H62	CuZn40	C28000	C2800

2.2 Chemical Composition (Unit: %, Max. unless specified)

Alloy Grade (ASTM)	Cu+Ag	Fe	Pb	Bi	Sb	As	Ni	Sn	S	Zn	O	Total Impurities
C11000 (T2)	99.90 min.	0.005	0.005	0.001	0.002	0.002	0.005	0.002	0.005	0.005	0.06	0.10
C28000 (H62)	60.5-63.5	0.15	0.08	0.001	0.01	0.01	0.3	0.2	0.01	Balance	—	0.50

Note: C28000 composition aligns with international CuZn40 standards, ensuring consistent processability and corrosion resistance.

2.3 Temper Designations & Explanations

Chinese Designation	International Equivalent	Description
M	O (Soft)	Full annealing, maximum ductility for complex forming
Y4	1/4 H (Quarter Hard)	Light cold working, balanced ductility and strength
Y2	1/2 H (Half Hard)	Moderate cold working, suitable for general stamping
Y	H (Hard)	Heavy cold working, high strength for structural parts
EH	EH (Extra Hard)	Severe cold working, maximum strength for specialized applications

2.4 Dimensional Specifications (Unit: mm)

Product Type	Alloy Grade	Available Tempers	Thickness Range	Width Range
Regular Copper/Brass Strip	C11000, C28000	O, 1/4H, 1/2H, H	0.05-0.2 (thin strip)	≤600
			0.2-0.5	≤800
			>0.5	≤1000
Decoration Strip	C11000, C28000	O, H	0.5-2.0	≤1000
Water-Stop Strip	C11000	O	0.5-2.0	≤1000

2.5 Dimensional Tolerances (Unit: mm)

Thickness Range	Thickness Tolerance (±)	Width Tolerance (±) – ≤600mm	Width Tolerance (±) – 600-800mm	Width Tolerance (±) – 800-1000mm
0.05-0.1	0.005	0.2	—	—
0.1-0.3	0.008	0.3	0.4	—
0.3-0.5	0.015	0.3	0.5	—
0.5-0.8	0.020	0.3	0.5	0.8
0.8-1.2	0.030	0.4	0.6	0.8
1.2-2.0	0.040	0.4	0.6	0.8

3. Product Applications

3.1 Architectural Decoration

Ideal for roof cladding, wall panels, door/window frames, and interior decorative components. The brilliant metallic luster enhances aesthetic appeal, while inherent corrosion resistance ensures long-term durability in various climatic conditions.

3.2 Apparel & Ornament Industry

Used in high-end apparel decorations, badges, and fashion accessories. Excellent ductility enables intricate designs, and easy chemical coloring supports diverse customization needs for luxury brands.

3.3 Infrastructure Engineering

C11000 water-stop strips are specifically engineered for construction joints in civil engineering projects. Their superior malleability and corrosion resistance provide reliable waterproofing and sealing performance, preventing water leakage in bridges, tunnels, and buildings.

3.4 General Manufacturing

Regular C11000 and C28000 strips serve as core materials for electronic components, hardware parts, and precision instruments. C11000’s excellent conductivity and C28000’s balanced mechanical properties meet strict performance requirements for industrial applications.

Note: All parameters are tested under standard conditions (23℃, 1 atm). Custom slitting, tempering, and surface treatment services are available. For material test reports (e.g., ASTM compliance certificates) or samples, contact our technical team.

If you’re interested, have any questions, or have specific customization requirements, please feel free to contact us at inquiry@atomfair.com.

making them versatile for architectural

Atomfair Decorative Copper Brass Strips – Chemical Coloring Available for Architectural & Ornament Use