Roll bending is regularly used for large construction pieces. Three rolls are positioned as a pyramid and can produce a very specific radius. This type of bending can be used to produce spirals and continuous coils. Compression bending uses a roller or a compression die to bend the pipe around a die.
ASTM Specification
ASTM A 358/A 358M Specification for Electric-Fusion-Welded Austenitic Chromium-Nickel Alloy Steel Pipe for High-Temperature Service
ASTM A409/SA409 Welded Large Diameter Austenitic Steel Pipe for Corrosive or High Temperature Service
ASTM A 778 Specification for Welded, Unannealed Austenitic Stainless Steel Tubular Products
ASTM A789/A789M, ASME SA789/SA789M Seamless and Welded Ferritic/Austenitic Stainless Steel Tubing for General Service
ASTM A790/A790M, ASME SA790/SA790M Seamless and Welded Ferritic/Austenitic Stainless Steel Pipe
ASTM A813/A813M Standard Specification for Single- or Double-Welded Austenitic Stainless Steel Pipe
ASTM A814/A814M Standard Specification for Cold-Worked Welded Austenitic Stainless Steel Pipe
German-Standards
DIN 2463-1Welded austenitic stainless steel tubes: dimensions and masses per unit length
DIN 17455 Welded circular stainless steel tubes with general quality requirements
DIN 17457 Welded circular austenitic stainless steel tubes subject to special requirements
EN Standards
EN 10216-5 Welded Stainless Steel Tube
EN 10217-7 Welded steel tubes for pressure purposes - Part 7: Stainless steel tubes
EN 10296-2 Welded circular steel tubes for mechanical and general engineering purposes - Part 2: Stainless steel
JIS-Standards
G 3448 Light Gauge Stainless Steel Tubes for Ordinary Piping
G 3459 Stainless Steel Pipes
G 3468 Large Diameter Welded Stainless Steel Pipes
G 3446 Stainless Steel Pipes for Machine and Structural Purposes
