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Categories | Heat Exchanger Tube |
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Brand Name: | YUHONG |
Model Number: | Aluminium Brass Tube ASME SB111 C68700 U Bend Heat Exchanger Tube for Refinery Coolers |
Certification: | ABS, GL, DNV, NK, PED, AD2000, GOST9941-81, CCS, ISO 9001-2008 |
Place of Origin: | China |
MOQ: | 500KGS |
Price: | negotiable |
Payment Terms: | T/T, L/C |
Supply Ability: | 1500 tons per month |
Delivery Time: | According to the quantity |
Packaging Details: | Ply-wooden Case with plastic Cap |
Material: | Aluminium Brass Tube ASME SB111 C68700 U Bend Heat Exchanger Tube for Refinery Coolers |
Standard: | ASTM B111, ASME SB111 |
NDT: | Eddy Current Test, Hydrostatic Test, UT, IGC, Grain Size Test , ... |
Type: | Straight , U bend , Snake Bend, Coil form |
Surface: | Bright annealed, Polished, Pickled |
End Type: | Bevled End, Plain End, Thread End |
Company Info. |
Yuhong Group Co.,Ltd |
Verified Supplier |
View Contact Details |
Product List |
ASME SB111 C68700 U Bend Boiler Tube Application
1. Marine & Offshore Systems
2. Power Generation (Fossil & Nuclear)
3. Chemical & Petrochemical Processing
4. HVAC & Refrigeration
5. Industrial Process Cooling
ASME SB111 C68700 Bend Boiler Tube Strength
1. Mechanical Properties of C68700 Aluminum Brass The SB111 specification ensures the tube meets certain strength criteria.
Typical room-temperature properties for C68700 (ASTM B111, ASME SB111) are:
Property | Value |
Tensile Strength (UTS) | 380 – 520 MPa (55,000 – 75,000 psi) |
Yield Strength (0.2% Offset, YS) | 140 – 310 MPa (20,000 – 45,000 psi) |
Elongation (in 50mm) | 35 – 45% (varies with temper) |
Hardness (Rockwell B) | 50 – 85 HRB |
Modulus of Elasticity | 100 – 110 GPa (14.5 – 16 Msi) |
2. Factors Affecting Strength
A. Temperature Effects
B. Corrosion & Erosion Impact
C. U-Bend Stress Considerations
3. Strength Comparison with Other Heat Exchanger Tubes
Material | Tensile Strength (MPa) | Yield Strength (MPa) | Key Advantage |
C68700 (Al Brass) | 380–520 | 140–310 | Best for seawater corrosion |
C70600 (90/10 Cu-Ni) | 290–400 | 120–200 | Better sulfide resistance |
C71500 (70/30 Cu-Ni) | 350–550 | 140–350 | Higher strength than C70600 |
Titanium Gr. 2 | 345–483 | 275–345 | Lightweight, no corrosion |
Carbon Steel | 400–550 | 205–250 | Cheap but rusts easily |
4. Design & Operational Strength Limits
5. Testing & Certification
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