ASME SB111 C68700 Aluminum Brass Seamless Tube u tube heat exchanger

Brand Name:SPEZILLA
Certification:ISO9001:2008
Model Number:ASME SB111
Minimum Order Quantity:Negotiation
Delivery Time:WITHIN 30 DAYS
Payment Terms:T/T, L/C
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Location: Shanghai Shanghai China
Address: H.Q.803, No.18 Baosheng Road, Songjiang, Shanghai, China
Supplier`s last login times: within 48 hours
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Product Details

ASME SB111 C68700 Aluminum Brass Seamless Tube u tube heat exchanger


This specification covers U-bend seamless condenser, evaporator, and heat exchanger tubes of copper and copper alloys up to 2 in., inclusive, in diameter. Tubes for this application are normally made from the following copper or copper alloys:


Copper Alloy Tube----Aluminum Brass Tube

Aluminum Brass Tube is a copper zinc alloy containing aluminum and small amount of arseric which is added as an inhibitor against dezincification. Inhibited Aluminum Brass resists the action of high velocity salt and brackish water and is commonly used for condenser tube.
The outstanding characteristic of Aluminum Brass is th high resistance to impringement attack.
Aluminum Brass tubes are highly accepted and one of the extensively used material for various industrial applications.

Product Range
• Outside diameter : 5.0 mm(min) ~ 65 mm(max)
• Wall thickness : 0.5mm(Min.)
• Length : 27,000mm(Max.)
• Product capacity per month : 500 M.T.
• U-bend tube (smallest bending radius ≥ 2 x tube O.D.)
Application :
Steam Ejector, Intor and After Condensers, Grand steam condensers, Feed Water Evaporators for Petrochemical, Ship-building, Power plants and Desalination plants etc.

Chemical composition

StandardClassChemical composion(%)Related standards
CuZnPbFePSnNiMnAlAsOtherKSJISASTMBSDIN
ASTM176.0-79.0Rem.0.07 Max.0.06 Max.1.8-2.50.02-0.10D5301 C6870H3300 C6870B111 C687002871 CZ1101785 CuZn20Al
276.0-79.0Rem.0.05 Max.0.05 Max.1.8-2.50.02-0.06Si 0.2-0.5C6871C6871C687002871 CZ110CuZn20Al
376.0-79.0Rem.0.07 Max.0.06 Max.0.20 - 1.00.20-Max.1.8-2.50.02-0.06Cr0.10 Max.C6872C6872C687002871 CZ110CuZn20Al

Mechanical properties

StandardTemperDesignationTensile testHardness test
Outside diameter(mm)Thickness (mm)Tensile strength min ksiElongation in 2in., min%Yield strength min ksiRockwell hardness
HR30THR15T
ASTMO61C687005-500.8-0.1050-18--
JISO61C6871T-O50-2500.8-0.1036Min.40Min.13Min.--
C6872T-O, C687TS-O50-2500.8-0.1036Min.40Min.13Min.-

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Additional Testing

  • Dye penetrant of 'U' bend area
  • PMI testing
  • Heat Treatment

Heat Treatment

We are equipped to carry out heat treatment of bends plus a minimum 150mm of leg.

Heat Treatment Equipment

  • Heat treatment equipment is computer controlled with the added facility of data recording.
  • An argon protective atmopshere is used inside stainless and special alloy tubes during heat treatment.
  • We can provide all types of annealing; solution annealing and stress relieving.

Chemical Composition

ElementWeight %
Cu77.5
Zn20.5
Al2.0
As0.1


Materials - U-Bent Tube
Carbon SteelSA 179 / A 179
Carbon SteelSA 210 / A 210
Carbon SteelSA 334 / A 334
Stainless SteelSA 213 / A 213
SA249 / A249
SA268 / A268
SA688 / A688
Duplex Stainless SteelSA 789 / A 789
Copper & Cu AlloysSB 111 / B 111
Titanium & Ti AlloysSB 338 / B 338
For different materials please contact our sales department.


Mechanical Properties

Physical PropertiesConditions
T (°C)Treatment
Density (×1000 kg/m3)8.8-8.9425
Poisson's Ratio0.3425
Elastic Modulus (GPa)11725
Tensile Strength (Mpa)41425Tube
Yield Strength(Mpa)186
Elongation (%)55
Reduction in Area (%)


China ASME SB111 C68700 Aluminum Brass Seamless Tube u tube heat exchanger supplier

ASME SB111 C68700 Aluminum Brass Seamless Tube u tube heat exchanger

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