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70/30 Brass Tubes/Pipes

70/30 Brass Tubes/Pipes

70/30 Brass Tubes/Pipes

Lead Free Brass Tubes / 70/30 Brass Tubes/Pipes

70/30 Brass Tubes/Pipes are manufactured from an alloy containing approximately 70% copper and 30% zinc, offering excellent strength, corrosion resistance, and durability. They perform well in marine, industrial, and engineering environments, with good resistance to wear and seawater exposure. These tubes and pipes are commonly used in heat exchangers, condensers, plumbing systems, marine equipment, and fluid transportation applications.

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  • Description
  • Chemical Composition
  • Physical Properties
  • Sizes Available

70/30 Brass Tubes/Pipes are manufactured from an alloy containing approximately 70% copper and 30% zinc, offering excellent strength, corrosion resistance, and durability. They perform well in marine, industrial, and engineering environments, with good resistance to wear and seawater exposure. These tubes and pipes are commonly used in heat exchangers, condensers, plumbing systems, marine equipment, and fluid transportation applications.

Application Area: Sugar Industries, Plumbing, Furniture, Hand Pumps, Ammunitions, General Engineering.

Technical Specifications :
 

Specification :
70/30 Brass
  • ASTM B 135 C 26000
  • BS 2871 Part
  • 3 CZ - 126EN 12451 CuZn30As
  • NFA 51 102 CuZn30
  • JIS H 3300 C 2600
  • AS 1572 26130
S407/81 (SUGAR ALLOY I)
Chemical RequirementsCuZn30As
Copper + Incidental Ni68.5 - 71.5%
Lead0.07% max
Arsenical0.02 to 0.06%
Iron0.06% max
Other Imp.0.30% max
ZincRemainder
Physical Properties
ConditionT.S. MpaHardness (HV5)
Annealed (O)285 min75 max
Temper Annealed (TA)300 min80-110
Hard (H)400 min135 min

Further Tests :

  • Drift Test
  • Flattening Test
  • MN Test
  • Hydraulic Test


Uses : Condenser & heat exchangers tubes mainly for sugar plants, liner material for hand pumps.

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