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45 Degree Elbows

45 Degree Buttweld Elbows

45 Degree Elbows are utilized to offset pipe routing and bypass obstacles in complex industrial layouts. By altering the flow path by 45°, they minimize turbulence and fluid resistance, making them ideal for high-velocity or high-viscosity applications.

Moksh Tubes & Fittings LLP is a renowned manufacturer, supplier, and exporter of 45 Degree Buttweld Elbows in India. We cater to high-pressure pipeline requirements across Indian refineries and major Gulf / GCC nations including UAE, Saudi Arabia, Qatar, Oman, and Kuwait.

Available in Long Radius (LR) configurations, our 45-degree elbows feature beveled ends for perfect penetration during butt welding, ensuring a permanent, leak-proof, and radiographically testable joint.

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SPECIFICATIONS

Category Details
Material Carbon Steel, Stainless Steel, Alloy Steel, Duplex / Super Duplex Steel, Nickel Alloys, Titanium
Size Range (Seamless) 1/2" NB to 24" NB
Size Range (Welded) 24" NB to 48" NB (and above)
Wall Thickness (Schedule) Sch 10, Sch 40, Sch 80, Sch 160, XXS (Custom up to 100mm thick)
Radius Type Long Radius (LR) - Standard for 45 Degree
Dimensional Standards ASME B16.9, MSS-SP-43, EN 10253, DIN 2605
End Connection Beveled Ends for Butt-Welding (ASME B16.25)

45 Degree Elbows Weight Chart

Nominal Pipe Size (NPS) Outside Diameter (OD) (mm) Center to End (A) (mm) Approx. Weight (Sch 40) (kg)
1/2" 21.3 16 0.04
3/4" 26.7 19 0.05
1" 33.4 22 0.09
1-1/2" 48.3 29 0.18
2" 60.3 35 0.31
3" 88.9 51 0.90
4" 114.3 64 1.73
6" 168.3 95 4.50
8" 219.1 127 8.90
10" 273.0 159 14.80
12" 323.8 190 22.50

*Dimensions conform to ASME B16.9. Center to End (A) dimension is measured from the center line to the face of the fitting.

Available Grades & Materials

Material Type ASTM Specification & Grades
Carbon Steel ASTM A234 WPB, WPC, MSS-SP-75 WPHY 42, 46, 52, 60, 65, 70
Low Temp Carbon Steel (LTCS) ASTM A420 WPL6, WPL3
Alloy Steel ASTM A234 WP1, WP5, WP9, WP11, WP22, WP91
Stainless Steel ASTM A403 WP304/304L, WP316/316L, WP321, WP347
Duplex & Super Duplex ASTM A815 UNS S31803, S32205, S32750, S32760
Nickel Alloys Inconel 600/625, Hastelloy C276, Monel 400, Alloy 20
Nickel alloy tubes for heat exchangers
NICKEL ALLOYS
Stainless steel boiler and condenser tubes
STAINLESS STEEL
Duplex and super duplex tubes for seawater service
DUPLEX & SUPER
Titanium heat exchanger and condenser tubes
TITANIUM ALLOYS
Haynes superalloy tubes for high-temperature service
Haynes Superalloys
Inconel alloy tubes for corrosion-resistant applications
Inconel

Applications of 45 Degree Elbows

45 Degree Elbows are chosen when minimizing pressure loss is critical:

Oil & Gas Refineries
  • Routing pipelines around existing infrastructure with minimal fluid turbulence.
Petrochemical Plants
  • Transporting highly viscous or volatile chemicals where smooth flow is required.
Water & Slurry Transport
  • Used in municipal water treatment and mining to prevent clogs and sediment buildup at corners.
Power Generation
  • High-pressure steam routing in thermal and nuclear power plants using Alloy Steel (WP91).
HVAC & District Cooling
  • Chilled water pipelines requiring efficient, low-friction routing.
Offshore & Marine
  • Duplex stainless elbows used in seawater desalination and offshore platforms.

Features & Advantages

Smooth Flow

Smooth change in flow direction with minimal pressure loss.

Corrosion Resistance

Excellent corrosion and oxidation resistance.

High Strength

High mechanical strength and durability.

Leak-Proof

Provides a leak-proof butt weld connection.

Extreme Conditions

Suitable for high-pressure and high-temperature applications.

Easy Maintenance

Easy to install and maintain.

Long Service Life

Guarantees a long service life.

Global Standards

Manufactured according to international quality standards.

Mechanical Properties (Carbon Steel A234 WPB)

Grade Tensile Strength (MPa) Yield Strength (MPa min) Elongation (%) Hardness (HB max)
ASTM A234 WPB 415 - 585 240 22 (longitudinal) 197
ASTM A234 WPC 485 - 655 275 20 (longitudinal) 223

*Properties must match the corresponding seamless pipe specification (e.g., A106 Gr. B for A234 WPB).

Why Choose Moksh Tubes?

100% compliant with ASME B16.9
Seamless elbows up to 24" readily available
Precision beveled ends for perfect welding
Exporting to GCC and global markets
Complete EN 10204 3.1 Certification
Custom wall thicknesses (Schedule 160 / XXS)

Frequently Asked Questions (FAQ)

When should a 45 Degree Elbow be used instead of a 90 Degree Elbow?

A 45 degree elbow is used when you need to offset a pipe but want to minimize pressure drop and fluid friction. It creates a gentler turn, which is especially important in high-velocity pipelines, slurry transport, or gravity-fed drainage systems where a 90 degree turn might cause clogs or excessive turbulence.

Are 45 Degree Elbows available in Short Radius (SR)?

No, standard 45 degree elbows are manufactured only as Long Radius (LR) according to ASME B16.9. Short Radius (SR) is practically only applicable to 90 degree and 180 degree elbows.

What does "WPB" stand for in ASTM A234 WPB?

WPB stands for "Wrought Pipe Grade B". Wrought indicates it is formed from a pipe (not cast). Grade B signifies the mechanical strength (matching ASTM A106 Grade B carbon steel pipe).

Why are the ends beveled?

The ends are machined with a bevel (usually 37.5 degrees) to facilitate V-groove butt welding. This allows the welding filler metal to fully penetrate the joint, resulting in a weld that is as strong as the pipe itself.

Contact Us

For further information, CAD models, quotes, or custom thickness requirements for 45 Degree Elbows, Moksh Tubes & Fittings LLP is your trusted partner for premium buttweld fittings.

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