409 441 439 439 409L 436L Stainless Steel Welded Tubes for exhaust

Name

Stainless Steel  Welded Tube &Pipe

Standard

ASTM   A554, A249, A269 and A270

Material   Grade

201:   Ni 0.8%~1%

202:   Ni 3.5%~4.5%

304:   Ni 8%, Cr 18%

316:   Ni 10%, Cr 18%

316L:   Ni10%~14%

430:   Cr16%~18%

Outer   Diameter

10-1000mm

Thickness

1-100mm

Length

6m   or as customers' request

Tolerance

a)   Outer Diameter: +/- 0.2mm

b)   Thickness: +/- 0.02mm

c)   Length: +/- 5mm

Surface

180G,   240G, 320G Satin / Hairline 400G, 600G Mirror finish

Application

handrail,   railing, staircase, weld mesh screen, door, window, balcony, fence, bench, furniture,   etc

Test

Squash   test, extended test, water pressure test, crystal rot test, heat treatment,   NDT