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ASTM B111 C68700 Copper Nickel Seamless Heat Exchanger and Boiler
Tube
YuHong Group supplies ASTM B111 C68700 Copper Nickel Alloy SMLS Tube in more than 70
countries. This specification ASTM B111 establishes
requirements for SMLS tube and ferrule stock of copper and various
copper alloys up to 3-1/8" ,inclusive, in diameter, for use in
surface condensers, evaporators, and heat exchangers.
Materal C68700 resists the action of blackish water and high-velocity salt and is commonly used for condenser tubes. The main characteristic of C68700 is its high resistance to impingement attack. Besides, tubes of this alloys are recommended for use in Marine and Land Power Stations, in which cooling water velocities are high.
Specifications Of C68700
| Dimensions | All Pipe is manufactured and inspected/tested to the relevant standards including ASTM, ASME, etc. | ||||
| OD Diameter | 5mm to 350mm or mas | ||||
| Schedule | SCH 40, SCH 80, SCH 160, SCH XS, SCH XXS or INCHS ,All Schedules | ||||
| Testing | Expansion Test / Flattening Test / Residual Stress Test / Nondestructive Testing, etc | ||||
| Length | Required Length Mainly 6meter | ||||
Chemical Composition % Of C68700
| Grade | Copper | Aluminum | Lead | Zinc | Iron | Arsenic |
| UNS C68700 | 76-79 | 1.8-2.5 | 0.07 max | remainder | 0.06 max | 0.02-0.06 |
Tensile Requirements, Inch-Pound Values Of C68700
| Grade | Temper Designation | Tensile Strength min ksiA / MPa | Yield StrengthB min ksiA / MPa | |
| Standard | Former | |||
| C44300 | O61 | Annealed | 50 / 480 | 18 / 205 |
| A ksi = 1000psi | ||||
| B At 0.5% extension under load | ||||
Density Of C68700
| Density | 0.301 lb/in.3 | 8.33 g/cm3 |
Applications Industry
Oil and Gas Industry
Condenser & Heat Exchanger & Boiler
Petrochemical
Chemical
Offshore oil and gas platforms and processing
Sea Water Equipment and system design
Pulp and Paper
Desalination plants
Power generation
