Stainless Steel Flat oval tube

Name

stainless steel flat oval tube 

Standard

ASTM A554, GB, TP, AISI, ASTM A554

Material Grade

201 ( Ni 0.7%-1%),

202 (Ni 3.5%~4.5%),

304 (Ni 8%, Cr 18%),

Outer Diameter

9-133mm; 10*10-95*45mm

Thickness

0.18-2mm

Length

3.66M, 6M, 6.1M or as customers' request

 Tolerance

a) Outer Diameter:  +/- 0.2mm

b) Thickness: +/- 0.02mm

c) Length: +/- 5mm

Surface

180G, 320G, 400G Satin / Hairline

400G, 500G, 600G or 800G Mirror finish

Application

Decoration construction, upholstery, industry instrument

Test

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

 Chemical Composition of Material

  Material

Composition

201

202

304

C

≤0.15

≤0.15

≤0.08

Si

≤1.00

≤1.00

≤1.00

Mn

5.5-7.5

7.5-10

≤2.00

P

≤0.06

≤0.06

≤0.045

S

≤0.03

≤0.03

≤0.030

Cr

16-18

17-19

18-20

N

3.5-5.5

4-6

8-10.5

Mo

Mechanical Property

Material Item    

201

202

Tensile Strength

≥535

≥520

Yield Strength

≥245

≥205

Extension

≥30%

≥30%

Hardness (HV)

<253

<253