Pipe fitting 90 degree steel elbow

Pipe fitting 90 degree steel elbow

90 degree steel elbow is a kind of connecting pipe commonly used in pipeline installation. It is usually made of carbon steel. With the development of China's electricity market, 90 degree steel pipe elbow can be favored by the market and continue to replace some traditional wear-resistant elbows. The root cause lies in its excellent product quality and physical and chemical properties.

1. Classification of steel elbow
1). Divided by material

Carbon steel: ASTM/ASME A234 WPB, WPC
Alloy steel: ASTM/ASME A234 WP 1-WP 12-WP 11-WP 22-WP 5-WP 91-WP911, 15Mo3 15CrMoV, 35CrMoV
Stainless steel: ASTM/ASME A403 WP 304-304L-304H-304LN-304N
ASTM/ASME A403 WP 316-316L-316H-316LN-316N-316Ti
ASTM/ASME A403 WP 321-321H ASTM/ASME A403 WP 347-347H
Low temperature steel: ASTM/ASME A402 WPL3-WPL6
High Performance Steel: ASTM/ASME A860 WPHY 42-46-52-60-65-70

2). Divided by the production method

90 degree steel pipe elbow can be produced by hot-pushing, hot-pressing, forging, casting and so on. Hot-pushing is the most popular manufacturing process.

3). Divided by manufacturing standards

It can be divided into GB standards, ASME B16.9, DIN2615, JIS2311, GOST17375, EN10253 etc.

4). Divided by its radius of curvature

It can be divided into long radius elbows and short radius elbows. The long radius elbow refers to the outer diameter of the tube whose radius of curvature is equal to 1.5 times, that is, R = 1.5D; the short radius elbow 4 means that its radius of curvature is equal to the outer diameter of the tube, that is, R = 1.0D. (D is the elbow diameter and R is the radius of curvature).

5). Divided according to the pressure level

There are about seventeen kinds, which are the same as the American pipe standards: Sch5s, Sch10s, Sch10, Sch20, Sch30, Sch40s, STD, Sch40, Sch60, Sch80s, XS; Sch80, SCH100, Sch120, Sch140, Sch160, XXS; the most commonly used are STD and XS.

2. Manufacturing process

Hot rolling (extruded carbon steel elbow pipe fittings): round pipe billet → heating → perforation → three-roll cross-rolling, continuous rolling or extrusion → pipe removal → sizing (or reducing diameter) → cooling → straightening → water Pressure test (or flaw detection) → mark → storage

3. Why choose our 90 degree steel pipe elbow?

1). All raw materials are 100% totally from local brand factory, Mill Test certificate can be provided for your reference.
2). Production will be arranged strictly according to standard and client’s requirement.
3). Quality will be guarantee well, Third party inspection accepted.
4). Delivery time is accurate and timely, guaranteeing the fastest delivery.
5). Strong packaging to ensure that the goods have no bumps and good appearance.