SB111 Tube – Manufacturer
Midland Alloys Inc. is a trusted Indian manufacturer and global supplier of SB111 tube with high-performance copper alloy tube widely used in heat exchangers, condensers, evaporators and general engineering systems. These tubes, which are manufactured with rigorous adherence to ASTM B111/ASME SB111 requirements, offer exceptional mechanical qualities, and long-term dependability. Our SB111 tubes, such as ASME SB111 UNS C68700 SMLS TUBE, are known for their exceptional tensile strength, thermal conductivity, and elongation, and they provide exceptional corrosion resistance. Each tube is manufactured with an exact chemical composition, and meets essential performance criteria like elongation %, yield strength and area reduction. We provide ASTM B111/ASME SB111 Copper Alloy Steel Tube solutions with guaranteed highquality products, with strong manufacturing abilities, and global export experience.
Benefits of SB111 Tube
SB111 tubes provide significant value across industries due to their mechanical strength, workability, and cost efficiency. These copper alloy tubes are especially beneficial for systems requiring corrosion resistance and thermal stability.
- Outstanding ability to withstand corrosion in industrial and marine environments.
- An affordable substitute for high alloy steel and stainless steel tubes
- Versatile for power plants, refrigeration units, and HVAC
- Excellent heat conductivity for efficient heat transfer
- Easy to cut, bend, and weld using common fabrication techniques
SB111 Tube Specification
1/2" (15 NB) to 48" (1200NB)
ASTM A213, ASME SA213, ASME SB111, ASME SB135
ANSI/ASME B16.5, B 16.47 Series A & B, B16.48, BS4504, BS 10, EN-1092, DIN, etc.
Threaded / Screwed / Forged / Plate
150#, 300#, 600#, 900#, 1500#, 2500#, PN6, PN10, PN16, PN25, PN40, PN64 etc.
Flate Face (FF), Raised Face (RF), Ring Type Joint (RTJ)
Forging, Rolling, Casting
FNPT, NPT, BSPT, MNPT, BSPP
Technical Details & Delivery Condition
| Element | Weight % |
|---|---|
| Copper | 76.0-79.0 |
| Zinc | Reminder |
| Aluminium | 1.8-2.5 |
| Arsenic | 0.02-0.06 |
| Lead | 0.07 |
| Iron | 0.06 max |
| Physical Properties | Condition | ||
|---|---|---|---|
| T (°C) | Treatment | ||
| Density (×1000 kg/m3) | 8.33 | 25 | |
| Poisson’s Ratio | 0.34 | 25 | |
| Elastic Modulus (GPa) | 117 | 25 | |
| Tensile Strength (Mpa) | 34 | 2 | |
| Yield Strength (Mpa) | 125 | ||
| Elongation (%) | |||
| Reduction in Area (%) | |||
| STANDARD | UNS | WERKSTOFF NR. |
|---|---|---|
| Aluminium Brass | C68700 | 2.0460 / 1785 |
SB111 Tube vs. SA178 Tube – A Technical Comparison
Copper-based alloys like C44300, C68700 and C70600 are used to make SB111 tubes, which have remarkable heat conductivity and corrosion resistance. They are frequently used in heat transfer systems such as evaporators, and condensers. SA178 tubes, by contrast are carbon steel tubes designed for boiler tubes, and flue gas applications. SA178 exhibits higher strength but lower corrosion resistance compared to SB111. While SB111 prioritises anti-corrosion properties, and thermal efficiency, SA178 focuses on mechanical durability at higher temperatures and pressures. Furthermore, SB111 tubes allow better workability and are preferred for non-ferrous, marine, and HVAC applications, whereas SA178 is typically selected for high-pressure steam lines.
Plate
Shear
Press
Inspection
Lathe
Drilling
Cleaning
Flange
Inspection
Analytic
Marking
Packing & Shipping
Applications of SB111 Tube
SB111 tubes are extensively used across thermal systems, chemical processing, and marine equipment due to their excellent heat transfer characteristics and resistance to aggressive media. These tubes serve critical roles in heat exchangers, condensers, evaporators, radiators, and desalination plants. In power plants, SB111 tubes provide reliable performance in steam condensers and cooling towers. In offshore platforms and shipbuilding, they provide protection against corrosion in seawater-cooled systems. SB111 tube material is also a dependable option in refrigeration coils, hydraulic lines, and transmission units for gases, especially where long-term stability and low maintenance demand is present with non-ferrous material.
Why Choose Midland Alloys Inc. for SB111 Tube
One of India’s top producers, and exporters of premium SB111 tubing, Midland Alloys Inc. is known for its mechanical dependability, corrosion resistance as well as for dimensional precision. Being an ISO-certified company, we provide specialized solutions to satisfy a wide range of application requirements, such as cut-to-length special scheduling, end finishesand surface treatments. We provide fast shipping with project-specific packaging throughout the Gulf, Europe, Africa and Southeast Asia. Our SB111 tubes have undergone to rigorous in-house testing, which includes mechanical, and hydrostatic eddy current assessments. Mill Test Certificates and reports from third-party inspections are available upon request. Each SB111 tube is labeled in accordance with ASTM ASME guidelines and comes with MTCs that ensure the chemical composition , tensile strength, and elongation in accordance with SB111 standards. Products such as ASME SB111 UNS C68700 SMLS TUBE and ASTM B111 ASME SB111 Copper Alloy Steel Tube are delivered with full traceability and certification.
FAQs
The price of SB111 tube material depends on alloy grade, dimensions, surface treatment, and quantity ordered. Market rates for copper alloys also influence final pricing.
Yes. We provide SB111 tubes in various diameters and wall thicknesses including custom hss tube sizes, as per project requirements.
Yes, SB111 C44300 (Admiralty Brass) is highly resistant to dezincification, and biofouling, making it a perfect choice for marine heat exchangers.
