Name

 stainless steel pipe

Items

Square pipes, round pipes, 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%~16%

430:  Cr16%~18%

Outer Diameter

6mm--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, 320G, 400G Satin / Hairline

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

Application

handrail,railing,  weldmesh screen, staircase, 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

≤0.03

≤0.030

≤0.030

≤0.030

Cr

13-15

14-17

18-20

16-18

16-18

Ni

0.7-1.1

3.5-4.5

8-10.5

10-14

 

Mo

 

 

 

2.0-3.0

 

 

Mechanical Property

Material Item    

201

202

304

316

Tensile Strength

≥535

≥520

≥520

≥520

Yield Strength

≥245

≥205

≥205

≥205

Extension

≥30%

≥30%

≥35%

≥35%

Hardness (HV)

<105

<100

<90

Payment

Payment by T/T, 30% as advance payment and 70% balance pay before loading.

 

Delivery time

A.7 days if this goods is stock goods.

 

B.25 days if this goods will be produced after order

Valid time

The price is usually valid for three days.