Small size elbow

We supply a full range of Small size elbow schedules ranging from SCH 5 thru Double Extra Heavy, we deliver Small size elbow with Exceptional sizes & Quality.


When the two ends differ in size, the fitting is called a reducing elbow or reducer elbow.

Normally long radius elbows are used in piping as pressure loss is less as compared to short radius elbow. It required more space than short radius elbow.

Small size elbow is curved connecting pieces that join straight lengths of pipe, commonly at a 90° or 45° angle, allowing obstructions to be avoided in plumbing, ventilation, welding, and automotive applications.

 

Sunny Steel is the most acclaimed manufacturer, exporter, distributor and supplier of industrial Small size elbow with required test certificates. You can also Order small quantities, we will be happy to quote best price for small and large quantities & can typically deliver the Small size elbow in minimum time frame anywhere around the globe.

Small size elbow is used to be installed between two lengths of pipe or tube allowing a change of direction, usually these carbon steel elbows distinguished by connection ends. The ends may be machined for butt welding , threaded , or socketed , so the carbon steel elbows are consist of butt weld, thread elbow socket elbow and other series. The material is selected according to the application use such as high temperature use, sanitary fitting, regular industrial use etc.



A324 WP elbow is the manufacturing process of ASTM A234 WPB.

  • W = WELDABLE / wrought
  • P = RELATED TO P NUMBER OF ALLOY MATERIAL
  • B = REFER TO MINIMUM YIELD OF MATERIAL

Chemical Composition (%) of ASTM A234 WP11

Grade C Mn P S Si Cr Mo Ni Cu V Nb
WP11 CL1 0.05-0.15 0.30-0.60 0.03 0.03 0.50-1.00 1.00-1.50 0.44-0.65 - - - -
WP11 CL2/3 0.05-0.20 0.30-0.80 0.04 0.04 0.50-1.00 1.00-1.50 0.44-0.65 - - - -

Notes:

  • For each reduction of 0.01% below the specified C maximum, an increase of 0.06% Mn above the specified maximum will be permitted, up to a maximum of 1.35%.
  • The sum of Cu, Ni, Cr, and Mo shall not exceed 1.00%.
  • The sum of Cr and Mo shall not exceed 0.32%.
  • The maximum carbon equivalent (C.E.) shall be 0.50, based on heat analysis and the formula C.E.=C+Mn/6+(Cr+Mo+V)/5+(Ni+Cu)/15.

Mechanical properties of ASTM A234

Tensile Requirements WPB WP11CL1 　WP11CL3
Tensile Strength, min, ksi[MPa] 60-85 60-85 　75-100
(0.2% offset or 0.5% extension-under-load) [415-585] [415-585] 　[520-690]
Yield Strength, min, ksi[MPa] 32 30 45
[240] [205] [310]

Process

Killed steel, with forgings, bars, plates, sheet, and seamless or fusion-welded tubular products with filler metal added. Forging or shaping operations performed by hammering, pressing, piercing, extruding, upsetting, rolling, bending, fusion welding, machining, or by a combination of two or more of these operations.

Heat Treatment

After forming at an elevated temperature, fittings are cooled to a temperature below the critical range under suitable conditions to prevent injurious defects caused by too rapid cooling, but in no case more rapidly than the cooling rate in still air. Heat treatment temperatures specified are metal (part) temperatures. Heat-treated fittings are to be treated according to paragraph 7 in Specification A960/A960M.

Reference Documents

  • ASTM A216/A216M Specification for Steel Castings, Carbon, Suitable for Fusion Welding, for High-Temperature Service
  • ASTM A217/A217M Specification for Steel Castings, Martensitic Stainless and Alloy, for Pressure-Containing Parts, Suitable for High-Temperature Service
  • ASTM A960/A960M Specification for Common Requirements for Wrought Steel Piping Fittings
  • ASME B16.9 Steel Butt-Welding Fittings
  • ASME B16.11 Forged Steel Fittings, Socket Welding and Threaded

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