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UNS C26800 Yellow Brass Copper Alloy | ASTM B36 Brass Sheet, Strip, Plate

The UNS C26800 Yellow Brass Copper Alloy is a high-strength, corrosion-resistant copper-zinc alloy composed of approximately 65% copper and 35% zinc. Known for its bright yellow color, excellent cold workability, and superior ductility, C26800 brass is widely used in decorative components, automotive radiators, connectors, valves, hardware, and musical instruments.
Manufactured in accordance with ASTM B36 and ASTM B134 standards, this yellow brass alloy is available in a variety of forms such as sheet, strip, plate, and tube, suitable for both industrial and architectural applications.

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Products Description

Keywords: UNS C26800 Yellow Brass, C26800 Brass Sheet, C26800 Brass Strip, C26800 Brass Plate, ASTM B36 Yellow Brass Alloy

Equivalent Standards

ASTM B36 - Brass Plate, Sheet, Strip

ASTM B134 / B135 - Brass Tube

JIS C2680 - Japanese Standard Equivalent

EN CW506L (CuZn33) - European Equivalent

Chemical Composition

Element	Content (%)
Copper (Cu)	64.0 – 68.5
Zinc (Zn)	Balance
Lead (Pb)	≤ 0.05
Iron (Fe)	≤ 0.05
Total Impurities	≤ 0.3

Mechanical Properties

Temper	Tensile Strength (MPa)	Yield Strength (MPa)	Elongation (%)	Hardness (HV)
O (Annealed)	310 – 370	90 – 110	40 – 50	70 – 90
H01 (Quarter Hard)	380 – 430	120 – 150	25 – 35	100 – 110
H04 (Half Hard)	430 – 480	150 – 180	15 – 25	120 – 130
H06 (Full Hard)	470 – 520	180 – 200	10 – 15	140 – 150

Physical Properties

Property	Value
Density	8.47 g/cm³
Melting Point	905–925 °C
Thermal Conductivity	120 W/m·K
Electrical Conductivity	26% IACS
Modulus of Elasticity	105 GPa

Standard Dimensions (Typical)

Form	Temper	Temper Code	Tensile Strength (ksi)	YS-0.5% Ext (ksi)	Elongation (%)	Rockwell B scale	Rockwell F scale	Rockwell 30T scale	Shear Strength (ksi)	Fatigue Strength** (ksi)	Cold Work (%)
Flat Products	1/2 Hard	H02	61 Typ	50 Typ	23 Typ	70 Typ		65 Typ	40 Typ
	1/4 Hard	H01	54 Typ	40 Typ	43 Typ	55 Typ		54 Typ	36 Typ
	1/8 Hard	H00	50 Typ	35 Typ	50 Typ	50 Typ		50 Typ
	Extra Hard	H06	85 Typ	62 Typ	5 Typ	87 Typ		74 Typ	45 Typ
	Hard	H04	74 Typ	60 Typ	8 Typ	80 Typ		70 Typ	43 Typ	14 Typ
	Nominal Grain Size 0.015 mm	OS015	53 Typ	22 Typ	54 Typ		78 Typ	43 Typ
	Nominal Grain Size 0.025 mm	OS025	51 Typ	19 Typ	55 Typ		72 Typ	36 Typ
	Nominal Grain Size 0.035 mm	OS035	49 Typ	17 Typ	57 Typ		68 Typ	31 Typ	34 Typ
	Nominal Grain Size 0.050 mm	OS050	47 Typ	15 Typ	62 Typ		64 Typ	26 Typ
	Nominal Grain Size 0.070 mm	OS070	46 Typ	14 Typ	65 Typ		58 Typ	15 Typ	32 Typ	12 Typ
	Spring	H08	91 Typ	62 Typ	3 Typ	90 Typ		76 Typ	47 Typ	20 Typ
Rod	1/8 Hard	H00	55 Typ	40 Typ	48 Typ	55 Typ			36 Typ		6
Rod	Nominal Grain Size 0.050 mm	OS050	48 Typ	16 Typ	65 Typ		65 Typ		34 Typ
Wire	1/2 Hard	H02	88 Typ		15 Typ
	1/4 Hard	H01	70 Typ		20 Typ				42 Typ	22 Typ
	1/8 Hard	H00	58 Typ		35 Typ				38 Typ
	Extra Hard	H06	120 Typ		4 Typ				60 Typ
	Hard	H04	110 Typ		8 Typ				55 Typ
	Nominal Grain Size 0.035 mm	OS035	50 Typ		60 Typ				34 Typ
	Spring	H08	128 Typ		3 Typ				60 Typ
* Measured at room temperature, 68°F (20°C).** Fatigue Strength: 100 x 10⁶ cycles, unless indicated as [N] x 10⁶.

C26800 Brass Sheet and Plate

Thickness (mm)	Width (mm)	Length (mm)	Condition
0.3 – 1.0	200 – 600	Coil / Cut Length	Annealed (O) / Half Hard (H04)
1.0 – 3.0	300 – 800	1000 – 2000	H01 / H04
3.0 – 10.0	500 – 1000	2000 – 3000	H04 / H06
10.0 – 25.0	500 – 1200	Custom	H06 (Full Hard)

C26800 Brass Strip

Thickness (mm)

Width (mm)

Coil Inner Dia. (mm)

Condition

0.10 – 0.80

≤ 300

200 / 300 / 400

Soft / 1/2 Hard / Hard

Manufacturing Standards

ASTM B36 – Sheet, Strip, Plate

ASTM B135 – Seamless Brass Tube

ASTM B249 – Brass Rod and Bar

ASTM B134 – Seamless Brass Pipe

Key Features

✅ Excellent formability and cold workability
✅ High corrosion and wear resistance
✅ Attractive golden-yellow surface
✅ Suitable for stamping, spinning, and deep drawing
✅ Ideal for both industrial and decorative applications

FAQ (Frequently Asked Questions)

Q1: What is UNS C26800 Yellow Brass?
A1: It's a 65% copper – 35% zinc brass alloy with high ductility, used for deep drawing and forming operations.

Q2: Is C26800 suitable for marine or outdoor use?
A2: Yes, it offers moderate corrosion resistance in freshwater and mild atmospheres, but not ideal for seawater exposure.

Q3: Can C26800 brass be welded or brazed?
A3: It can be soft soldered, brazed, and gas shield welded, but welding should be done with care to prevent zinc loss.

Q4: What forms do you supply?
A4: Sheets, strips, plates, rods, and seamless tubes, available in both soft and hard tempers.

Q5: Do you offer custom sizes and cutting service?
A5: Yes, we provide CNC cutting, slitting, and surface finishing according to customer drawings or samples.

How To Cooperate With Us?

Looking for a trusted supplier of UNS C26800 Yellow Brass Copper Alloy?
Our professional team provides high-quality brass materials, competitive prices, and fast delivery worldwide.

Our address

Room 4107, Runfeng Building, Sanqiao New Street, Weiyang District, Xi'an City, Shaanxi Province

Phone Number

+86 15769214734

E-mail

office@dongmjd.com