C27400 CuZn37 Brass Tube
C27400 Brass Pipe/ Tube is with good performances in mechanical properties and machinability in hot pressure and cold pressure processing. C27400 is widely used in the applications of structural parts as bushings, gaskets, etc. Besides, Tin brass materials has high corrosion resistance and are widely used as raw materials for corrosion resistant parts of ship, vapor, oil’s industrial fields.
Product Description
| Brass Tubes - Detailed Technical Specifications | |||
| Common Brass Tube Grades and Classifications | |||
| UNS No. | Common Name | Standard | Key Characteristics |
| C23000 | Red Brass | ASTM B43 | Seamless red brass pipe; available in annealed (O61) and drawn general purpose (H58) tempers; good corrosion resistance |
| C22000 | Commercial Bronze (90/10) | ASTM B135 | 90% Copper, 10% Zinc; good corrosion resistance; good formability |
| C26000 | Cartridge Brass (70/30) | ASTM B135 | 70% Copper, 30% Zinc; excellent cold working properties; high ductility |
| C27000 | Yellow Brass (65/35) | ASTM B135 | 65% Copper, 35% Zinc; good strength; good corrosion resistance |
| C27200 | 63/37 Brass | ASTM B135 | 63% Copper, 37% Zinc; good ductility and corrosion resistance |
| C27400 | 62.5/37.5 Brass | ASTM B135 | 62.5% Copper, 37.5% Zinc |
| C28000 | Muntz Metal (60/40) | ASTM B135 | 60% Copper, 40% Zinc; good corrosion resistance |
| C33000 | Low-Leaded Brass (0.5% Pb) | ASTM B135 | 66% Copper, 33.5% Zinc, 0.5% Lead |
| C33200 | High-Leaded Brass (1.6% Pb) | ASTM B135 | 66% Copper, 32.4% Zinc, 1.6% Lead |
| C37000 | Free-Cutting Brass (1% Pb) | ASTM B135 | 60% Copper, 39% Zinc, 1% Lead |
| C44300 | Naval Brass / Tin Brass | ASTM B135 | 71.5% Copper, 27.5% Zinc, 1.0% Tin; tin and arsenic addition; dezincification resistant |
| Cu63/Zn37 | 63/37 Brass | General Purpose | 63% Copper, 37% Zinc; good ductility and formability |
| C272-H80 | Brass Square Tube 272 | ASTM B135 | Good mix of strength, hardness, formability, and corrosion resistance; excellent for cold working |
| Temper Designations for Brass Tubes | |||
| Temper Code | Description | Typical Characteristics | Applications |
| O50 | Light Anneal | Light annealing; some stiffness retained | Bending applications requiring some stiffness |
| O60 | Soft Anneal | Fully annealed; maximum ductility; lowest strength | Deep drawing, complex forming, bending |
| O61 | Annealed (Pipe) | Annealed red brass pipe | Plumbing, boiler feed lines |
| H55 | Light-Drawn (Bending) | Some stiffness but capable of being bent | Tubes requiring stiffness but capable of bending |
| H58 | Drawn (General Purpose) | Most commonly used; no specific requirement for high strength or bending qualities | General purpose, architectural applications |
| H80 | Hard-Drawn | As strong as commercially feasible for indicated sizes | Maximum strength applications |
| Mechanical Properties of Brass Tubes | |||
| Alloy / Temper | Tensile Strength (MPa / KSI) | Yield Strength (KSI) | Elongation (%) |
| Cu63/Zn37 (As Drawn) | 330 – 500 MPa | / | 55 |
| C272-H80 (Hard-Drawn) | 74 KSI | 60 KSI | 10 |
