A270 TP316 12.7 38.1MM Stainless Steel Round Tube Seamless / Welded Type

Name

SS304 316L FOOD GRADE STAINLESS STEEL PIPES AND TUBES ASTM A270 A269

Items

round tubes

Standard

ASTM ,GB,DIN AISI

Material Grade

304: Ni 8%, Cr 18%

304L: Ni 8%, Cr 18%

316L:Ni 10%, Cr 16%

Outer Diameter

Round pipe 8MM-254MM

square

12.7x12.7--200X200mm

rectangular

20X40--150X200mm

Thickness

0.8mm - 3mm

Length

5.8m,6m, or as customers' request

Tolerance

a) Outer Diameter: +/- 0.2mm

b) Thickness: +/- 0.02mm

c) Length: +/- 5mm

Surface

180Grit, 320Grit, 400Grit Satin / Hairline

400Grit, 500Grit, 600Grit Mirror finish

Application

food grade,exhausting,water

Test

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

Chemical Composition of Material

Material

304L

316L

304

C

≤0.035

≤0.035

≤0.08

Si

≤1.00

≤1.00

≤1.00

Mn

≤2.00

≤2.00

≤2.00

P

≤0.045

≤0.045

≤0.045

S

≤0.03

≤0.03

≤0.03

Cr

18-20

16-18

18-20

NI

8-12.0

10-14.0

8-10.5

Mechanical Property

Material Item

304L

316L

304

Tensile Strength

≥515

≥515

≥515

Yield Strength

≥205

≥205

≥205

Extension

≥35%

≥35%

≥35%

Hardness (HV)

N/M

N/M

N/M