Stainless Steel Elbow
STAINLESS STEEL ELBOW
A stainless steel elbow is a special product (elbow, angle, corner, bend, turn, fitting) made of stainless steel and having constant technical parameters and characteristics: external and internal diameter/cross-section, wall thickness, bend angle, radius, arc length (arch), surface treatment, weight, steel grade (AISI), type of connection with a pipe (welded, threaded).
A stainless steel elbow designed to change the direction of a pipeline, handrail or any other structure made of stainless steel pipe. It is often used as a logical completion of a stainless steel railing or handrail, as a decorative element, in furniture production, in the food and chemical industries, etc. Stainless steel elbows are manufactured according to various international standards: EN, DIN, SMS, ISO, GOST (DSTU), etc. The bend angle can be very different: 45° (forty-five), 60° (sixty), 90° (ninety), 120° (one hundred twenty), 180° (one hundred eighty) degrees.
Frequently asked questions about Stainless steel elbow
⓵ grade of stainless steel from which the elbow is made (the most common are AISI 201, AISI 304, AISI 304L, AISI 316, AISI 316L, AISI 321 - they can be conditionally divided into stainless steel elbows technical, food, acid-resistant). The higher the percentage of nickel, chromium, and molybdenum, the higher the cost.
⓶ external / internal surface treatment: (matte, 2B, polishedй, electropolished, mirror or supermirror - 400 grit, 600 grit, 800 grit, gloss / glossy, grinding or satin - 4N, 180 grit, 240 grit, 320 grit). The higher the quality and cost of the surface, the higher the price.
⓷ type / manufacturing method: welded, solid-drawn, forged, curved, sharply curved, bent, seamed, seamless, cast. Each of the methods involves certain costs in the manufacture of the bend, which is ultimately reflected in its price.
⓸ weight (theoretical weight) of one branch: the more weight - the more expensive the price for 1 (one) stainless steel elbow. The weight is directly affected by the size (sizes) of the elbow(s): wall thickness (thin-walled / thick-walled), diameter, length.
⓹ type of connection with a pipe, between itself or another product: stainless steel elbow for welding (for soldering) - this is the cheapest option. Threaded stainless steel elbow (under thread) with internal / external thread, under clamp (under clamp connection, under union), with flange (under flange), insert (under insert) - more expensive.
⓺ cross section shape. Modern production of stainless steel bends allows us to create and manufacture bends of different shapes: round (for a round pipe), square (for square profile pipe), rectangular (for rectangular profile pipe), oval / flat-oval (for oval / flat-oval pipe). The shape (round, square, rectangular, oval stainless steel elbow) affects the cost of elbows, since the costs of their production differ from each other. Elbows with a variable cross-section are separately identified and classified (transition elbow / adapter - two in one) - allows you to go from a pipeline of a larger diameter / cross-section to a smaller one or vice versa.
➖ non-magnetic;
➖ has high strength, plasticity and rigidity;
➖ low thermal conductivity;
➖ resistant to corrosion in moderately aggressive environments;
➖ welds and polishes well;
- *∅ - *S --------- *an. ° --- *R ---- *L
- 16х1,5 mm ------- 90° ---- 27.0 --- 55
- 20х1,5 mm ------- 90° ---- 41.0 --- 80
- 22х1,5 mm ------- 90° ---- ***** --- 62
- 25х1,5 mm ------- 90° ---- 29.0 --- 65
- 30х1,5 mm ------- 90° ---- 48.7 --- 100
- 32х1,5 mm ------- 90° ---- 38.1 --- 85
- 38х1,5 mm ------- 90° ---- 44.7 --- 100
- 40х1,5 mm ------- 90° ---- 46.7 --- 103
- 42,4х1,5 mm ----- 90° ---- 55.2 --- 120
- 48,3х1,5 mm ----- 90° ---- 55.5 --- 125
- 50,8х1,5 mm ----- 90° ---- 76.5 --- 160
- 60,3х1,5 mm ----- 90° ---- 71.8 --- 160
- 70х1,5 mm ------- 90° ---- 70.1 --- 165
- 76,1х1,5 mm ----- 90° ---- 73.4 --- 175
- 88,9х1,5 mm ----- 90° ---- 97.0 --- 222
- 101,6х1,5 (2) mm - 90° --- 92.3 --- 225
- 114,3х1,5 mm ---- 90° --- 115.0 --- 270
As you can see from the list above, most bends are thin-walled with a wall thickness of 1.5 mm and an angle of 90° (ninety). The radius and length vary greatly depending on the diameter.
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