Carbon Steel Latrolet Manufacturer & Supplier | ASTM A105, ASME B16.11 / MSS SP-97

Carbon Steel Latrolet Manufacturer and Supplier in India

Carbon Steel Latrolets are 45° branch outlet fittings used to make an angled outlet from a main pipe to a branch line where there is a restriction in either flow direction or space. They are manufactured using carbon steel grades like ASTM A105, A350 LF2 and A694 and offer excellent welded connection for demanding piping systems. They are designed laterally to help channel the flow efficiently, with no loss of structural support at the branch point. Forged Latrolets are typical of the Carbon Steel Latrolets that are supplied when they are required to conform to the ASME B16.11 specification. Solitaire Overseas offers sourcing for project specific needs including material documentation, dimensional verification, inspection options, and export ready supply for engineered piping needs.

Technical Data

Specifications of Carbon Steel Latrolet

Specification Parameter Standard Technical Details
Product Name Carbon Steel Latrolet (45° Lateral Branch Outlet Fitting)
Material Grades Forged Carbon Steel ASTM A105 / ASME SA105 / A105N (Normalized)
Branch Angle 45° Lateral Take-off (reduces fluid friction and turbulence)
Manufacturing Standards • MSS SP-97: Integrally Reinforced Forged Branch Outlet Fittings
• ASME B16.11: Forged Fittings, Socket-Welding and Threaded
• ASME B1.20.1 / BS 21: Pipe Threads (NPT, BSP, BSPT)
Branch Outlet Size Range 1/2″ to 4″ NB (Standard); up to 6″+ on special request
Run / Header Size Range 1/2″ to 36″ NB (and larger)
Pressure Class / Ratings • Socket Weld & Threaded: Class 3000#, Class 6000#
• Butt-Weld: Schedule 40 / STD, Schedule 80 / XS, Schedule 160
End Connections • Butt Weld (BW) (Beveled per ASME B16.25)
• Socket Weld (SW) (per ASME B16.11)
• Threaded Ends (THD) (NPT, BSPT, BSP)
Surface Finish & Coatings Galvanized (Hot-Dip / Electro), Black Anti-Rust Oil, Yellow Varnish, Zinc Plating
Temperature Rating Up to 204°C (400°F) for non-corrosive general service
Quality & NDT Inspection Visual Inspection, Dimensional Verification, Hardness Testing, Tensile Testing, Impact Testing, Material Identification
Documentation & Reports Mill Test Certificates (MTC per EN 10204 3.1 / 3.2), Heat Treatment Charts, Raw Material Test Reports (RMTR)
Packaging & Logistics • Packaging: Wooden Cases, Wooden Pallets, Inner Carton Boxes
• Shipping Routes (Air/Sea): Vietnam (~10 Days), Germany (~20 Days), Poland (~45 Days), Finland (~45 Days), Sweden (~45 Days)
Primary Systems & Applications HVAC Systems, Pharmaceutical Processing, Chemical Processing Plants, Power Generation, High-Pressure Steam & Water Lines

ASTM A105 Carbon Steel Laterolet Chemical Composition

ELEMENT COMPOSITION (%)
Carbon (C) 0.35 max
Manganese (Mn) 0.60 to 1.05
Phosphorus (P) 0.035 max
Sulfur (S) 0.040 max
Silicon (Si) 0.10 to 0.35
Chromium (Cr) 0.30 max
Nickel (Ni) 0.40 max
Molybdenum (Mo) 0.12 max
Copper (Cu) 0.40 max
Vanadium (V) 0.08 max

Mechanical Properties of Carbon Steel Latrolet

PROPERTY REQUIREMENT
Tensile strength, min 485 MPa (70,000 psi)
Yield strength, min 250 MPa (36,000 psi)
Elongation in 2 in, min 22%
Reduction of area, min 30%
Hardness, max 187 HB

Dimensions Chart of Carbon Steel Latrolet

Run Pipe Nominal Size Branch Nominal Size Cut Hole Diameter (XS) [D1] (mm) Cut Hole Diameter (Sch 160) [D1] (mm) Branch OD at End [D2] (mm)
DN20 – DN900 DN15 (1/2 in) 24 19 21.3
DN25 – DN900 DN20 (3/4 in) 30 25 26.7
DN32 – DN900 DN25 (1 in) 36 33 33.4
DN40 – DN900 DN32 (1-1/4 in) 45 38 42.2
DN50 – DN900 DN40 (1-1/2 in) 51 49 48.3
DN65 – DN900 DN50 (2 in) 65 59 60.3
DN80 – DN900 DN65 (2-1/2 in) 76 73.0
DN100 – DN900 DN80 (3 in) 94 88.9
DN125 – DN900 DN100 (4 in) 121 114.3

Weight Chart of Carbon Steel Latrolet

Nominal Outlet Size (NPS) Weight Range (lbs)
1/2″ 0.5 to 1.0
3/4″ 1.0 to 1.5
1″ 1.5 to 2.0
1-1/2″ 3.0 to 4.0
2″ 4.0 to 5.5
2-1/2″ 6.0 to 8.0
3″ 8.0 to 12.0
4″ 12.0 to 20.0

Applications and Industrial Uses of Carbon Steel Latrolet

  • Oil & Gas Industry
  • Petrochemical Industry
  • Chemical Processing Industry
  • Power Generation Industry
  • Refining Industry
  • Fertilizer Industry
  • Water Treatment Industry
  • Pulp & Paper Industry

Frequently Asked Questions

A Carbon Steel Latrolet is a 45° branch outlet fitting used to connect a branch pipe to a main pipe at an angle. It is commonly manufactured from carbon steel grades such as ASTM A105.

A Latrolet is designed at 45° to provide an angled branch connection and redirect flow smoothly where a straight branch outlet is not suitable.

A Latrolet provides a 45° angled branch connection, while a Weldolet provides a 90° branch connection from the main pipe.

A Latrolet creates a 45° lateral branch connection, whereas a Sweepolet has a contoured, swept outlet designed to provide a gradual transition between the main pipe and branch.

Yes, Carbon Steel Latrolets can be used for high-pressure piping when the appropriate material grade, pressure class, dimensions, and applicable standards are selected.

A Latrolet is better when the branch needs smoother flow with less turbulence, pressure loss, and vibration. Its 45° design follows the flow direction more naturally. However, it requires more space along the pipe than a 90° outlet.