ASTM A403 Stainless Steel WP316 / 316L Elbow

Stainless steel is a popular material used in various industries for its durability, corrosion resistance, and low maintenance properties. This material is utilized in everything from cookware to surgical equipment, aircraft, and petrochemical installations. One of the critical components of stainless steel systems is the elbow, which changes the direction of fluid flow. The ASTM A403 WP 316 and 316L elbow are popular elbows made from grade 316 stainless steel.

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There are three main ASTM A403 WP 316 Elbow types: long radius, short radius, and 90-degree elbow. The long radius elbow has a long centerline, making it suitable for applications where fluid flow needs a gentle change of direction. The short-radius elbow is designed for tight spaces where there isn't enough room for a long-radius elbow. The 90-degree elbow is self-explanatory, providing a right-angle turn. Each has a unique application, and deciding which one to use depends on the fluid flow, space, and environment.

The ASTM A403 WP 316L Elbow is made from low-carbon content, making it ideal for corrosive environments. It's widely used in the chemical and petrochemical industries, where the material comes into contact with highly acidic or alkaline substances. The 316L elbow is also used in the pharmaceutical industry, where it is critical to maintain an ultra-pure environment. The elbow transports liquids and gasses that need sanitary conditions in food and beverage processing plants.
The benefits of using the ASTM A403 WP 316L elbow include its high corrosion and staining resistance, easy maintenance, and long-lasting durability. This elbow can withstand temperatures up to 1700°F, making it suitable for high-temperature applications. It is also easy to keep clean, reducing the risk of bacteria and other contaminants growing in the system. The 316L elbow is also suitable for welding, which allows it to be tailored to specific application needs.

Stainless steel ASTM A403 WP 316 and 316L elbow are versatile components used in various applications. Different types of elbows are used for different fluid flow needs, and it's crucial to choose the right one for the project. The 316L elbow has low carbon content, making it perfect for corrosive environments. It has many benefits, including high resistance to corrosion and staining, easy maintenance, long-lasting durability, and welding suitability.


Yes, Stainless Steel WP316 elbows can be used for high-temperature applications. Grade 316 stainless steel has good high-temperature resistance, allowing it to maintain its mechanical properties & corrosion resistance at elevated temperatures.

A stainless steel WP316L elbow is a pipe fitting used to change the direction of a pipeline. It is specifically made from grade 316L stainless steel, which provides superior corrosion resistance, especially in chloride-rich environments.

Stainless steel WP316L elbows are commonly used in chemical, petrochemical, pharmaceuticals, food, and marine applications. They are suitable for conveying corrosive fluids, chemicals & gases, particularly in environments requiring resistance to chloride-induced corrosion.

Specification of Stainless Steel WP316, 316L Elbow

Spec bag
Buttweld Elbow
Specifications: ASTM A403 / ASME SA403
Dimension Standard : ASME/ANSI B16.9, ASME B16.28, MSS-SP-43
Elbow Range :1/8" - 48"
Type : Seamless / ERW / Welded / Fabricated
Thickness : Schedule 5S, 10S, 20S, S10, S20, S30, STD, 40S, S40, S60, XS, 80S, S80, S100, S120, S140, S160, XXS and etc.
Form : Elbow, 90 Deg Elbow, Long Radius Elbow, Short Radius Elbow, LR Elbow, SR Elbow.

Types of Stainless Steel WP 316, 316L Elbow

Stainless Steel WP316, 316L Long Radius Elbow

ASTM A403 WP 316 / 316L 45 Degree Elbow

  • - ASTM A403 SS WP316 45° LR Elbow
  • - S31603 90 Degree Long Radius Buttweld Elbow
  • - 1.4401 / 1.4436 180 Deg. LR Pipe Elbow
  • - WP316L SS 90 Deg LR Elbow
  • - ASME SA403 SS 316 180° Long Radius Elbow
  • - Stainless Steel WP316L 90° LR Elbow Supplier
  • - SS WP316 180 Deg. Long Radius Elbow Manufacturer
Stainless Steel WP316, 316L Short Radius Elbow

ASTM A403 WP 316 / 316L 90 Degree Elbow

  • - ASTM A403 SS WP316 45° SR Elbow
  • - S31603 90 Degree Short Radius Buttweld Elbow
  • - 1.4401 / 1.4436 180 Deg. SR Pipe Elbow
  • - WP316L SS 90 Deg Short Radius Elbow
  • - ASME SA403 SS 316 180° Short Radius Elbow
  • - Stainless Steel WP316L 90° SR Elbow Supplier
  • - SS WP316 180 Deg. SR Elbow Manufacturer

Equivalent Grades for Stainless Steel WP316 / 316L Elbow

STANDARD WERKSTOFF NR. UNS JIS BS AFNOR EN
SS 316 1.4401 / 1.4436 S31600 SUS 316 316S31 / 316S33 Z7CND17-11-02 X5CrNiMo17-12-2 / X3CrNiMo17-13-3
SS 316L 1.4404 / 1.4435 S31603 SUS 316L 316S11 / 316S13 Z3CND17-11-2 / Z3CND18-14-03 X2CrNiMo17-12-2 / X2CrNiMo18-14-3

Stainless Steel 316, 316L Elbow Chemical Composition

Grade C Mn Si P S Cr Mo Ni Fe
SS 316 0.08 max 2.0 max 1.0 max 0.045 max 0.030 max 16.00 - 18.00 2.00 - 3.00 11.00 - 14.00 67.845 min
SS 316L 0.035 max 2.0 max 1.0 max 0.045 max 0.030 max 16.00 - 18.00 2.00 - 3.00 11.00 - 14.00 68.89 min

Mechanical Properties of Stainless Steel WP316 / 316L Elbow

Density Melting Point Tensile Strength Yield Strength (0.2%Offset) Elongation
8.0 g/cm3 1400 °C (2550 °F) Psi – 75000 , MPa – 515 Psi – 30000 , MPa – 205 35 %

Application Industries

  • Refineries
  • Petrochemicals Industry
  • Oil & Gas Industry
  • Mining
  • Construction
  • Pharmaceuticals
  • Automobile