Welded Thin Wall Stainless Steel Piping Mirror Finish ASTM A554 A249 A106

Name

Stainless Steel Seamless & Welded Tube & Pipe

Items

Square tubes, round tubes, oval pipes, special shaped pipes,
empaistic pipes, fittings

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

9.53mm--159mm

Thickness

0.3mm - 3.0mm

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, weldmesh screen,door,window, balcony,fence,bench,furniture,etc

Test

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

Chemical Composition of Material

  Material
 
Composition

201

202

304

316L

430

C

≤0.15

≤0.15

≤0.08

≤0.035

≤0.12

Si

≤1.00

≤1.00

≤1.00

≤1.00

≤1.00

Mn

5.5-7.5

7.5-10

≤2.00

≤2.00

≤1.00

P

≤0.06

≤0.06

≤0.045

≤0.045

≤0.040

S

≤0.03