Forged pipe fitting stainless steel 316L 3/4 inch 90 degree elbow
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Forged elbow is a pipe which changes the direction of pipeline. Because it is forged, it can bear higher pressure and can bear up to 9000LB. So it is also called high pressure elbow. It mainly includes socket welded elbow and threaded elbow, in which the forged elbow is 45 degree forged elbow and 90 degree forged elbow. The pressure level of forged socket welded elbow is divided into: 3000LB, 6000LB, 9000LB, the pipe wall thickness grade of socket welded elbow 3000LB is Sch80, XS; the pipe wall thickness grade of 6000LB is Sch60; the pipe wall thickness grade of 9000LB is XXS; and the forged thread elbow is XXS. The pressure level is divided into 2000LB, 3000LB and 6000LB. The wall thickness grade of 2000LB pipe fitted with threaded elbow is Sch80 and XS; the wall thickness grade of 3000LB pipe fitted with Sch60; and the wall thickness grade of 6000LB pipe fitted with XXS.
Elbow is one of the commom pipe fittings applied in oil&gas industry. An elbow provides a change in material-flow direction. This adds pressure losses to the system due to impact, friction and re-acceleration.As product enters the inlet of the elbow, it typically continues moving straight ahead to the first (or primary) impact zone. The product is then deflected at an angle toward the outlet of the elbow. The deflection angle is determined by the elbow design, the product’s characteristics, the conveying velocity, and specific load (also called the product-to-gas ratio). In many designs, the product will hit one or more secondary impact zones before exiting the elbow.
Impact forces can cause severe degradation of fragile or breakage-sensitive products, generating a large amount of fines or dust and creating quality issues. Heat-sensitive products, such as plastic pellets, can overheat on the contact surface this can result in unwanted tails or streamers on the pellet or film build-up on the surface of the elbow, which can eventually lead to product contamination. Abrasive products can cause wear, leading to work-out elbows and system leaks and causing maintenance and safety issues
Elbows can be divided into different degrees,45 degree and 90 degree.There are also different kinds of elbows sold in the market, like tube elbow, pipe elbow, reducing elbow, forged elbow, welded elbow, threded elbow, ect. Today we would like to talk about elbows made by drop forging. Forged 90° elbows are manufactured as SR (Short Radius) elbows and LR (Long Radius) elbows.
Forged SR (Short Radius) Elbows
These forged elbows have a Center-to-Face dimension of 1.0 X diameter. They are typically used in tight areas where clearance is the main issue.
Forged LR (Long Radius) Elbows
These forged elbows have a Center-to-Face dimension of 1.5 X diameter. They are the most common type of forged elbow and used when space is available and flow is more critical.
FORGED PIPE FITTINGS DETAILS
|Forged pipe fittings – Elbow|
|Standards||ASME/ANSI B16.9, ASME/’ANSI B16.ll, ASME ANSI B16.28JIS B231L JIS B2312, DIN 2605, DIN 2615, DIN 2616, DIN 2617, BS 4504, GOST 17375, GOST 30753, GOST 17378|
|Bending radius Short Radius(SR). Long Radius(LR). 2D. 3D. 5D. multiple|
|Degree||45/90/180. or customized degree|
|Size Range||Seamless type: up to 28″ Welded type: 28″-to 72”|
|WT Schedule||SCH STD,SCH10 to SCH160, XS, XXS,|
|Carbon Steel||A234 WPB, WPC; A106B, ASTM A420 WPL9, WPL3, WPL6, WPHY・ 42WPHY-46, WPHY-52, WPHY-60, WPHY-65, WPHY-70,|
|Alloy Steel||A234 WP1, WP11, WP12, WP22, WP5, WP9, WP91|
|Special Alloy Steel||Inconel 600. Inconel 625. Inconel 718. Inconel X750. Incoloy 800. Incoloy 800H. Incoloy 825. Hastelloy C276. Monel 400. Monel K500 WPS 31254 S32750, UNS S32760|
|Stainless Steel Duplex||ASTM A403 WP304304L, WP316/316L, WP321, WP347, WPS 31254|
|stainless steel||ASTM A815 UNS S31803, UNS S32750, UNS S32760|
|Applications||Petroleum industry, chemical, power plant, gas piping, shipbuilding, construction, sewage disposal.and nuclear power etc.|
|Packaging material||plywood cases or pallets, or as per customer’s requirements 2-3weeks for nomial orders|
|Production Period||2-3weeks for nomial orders|