Metal Stainless Steel Welded Pipe

Standard

ASTM A554, GB/T19001-2000.AISI

Material Grade

201 ( Ni 0.75% to up),

202 (Ni 3.0%~4.5%),

304 (Ni 8%, Cr 18%),

Outer Diameter

a)Round:9.5,12.7,16,17,17.5,18,19,20,22,25,28,31.8,36,38,42,48,

50.8,60,63,76,89,101.6,114,133

b)Square:10*10,12.7*12.7,15*15,17*17,18*18,19*19,20*20,22*22,23*23,

24*24,25*25,28*28,30*30,36*36,38*38,40*40,35*35,50*50,60*60,80*80

c)Rectangular:20*10,23*11,24*12,25*13,30*15,30*20,40*20,34*22,36*23,

38*25,50*25,60*30,60*40,75*45,80*40,95*45

Thickness

0.18mm – 1.8mm

Length

3.66m ,5.8m, 6m ,6.1m or as customers' request

Tolerance

a) Outer Diameter: +/- 0.2mm

b) Thickness: +/- 0.05mm

c) Length: +/- 5mm

Surface

180G, 240G,320G, 400G: Satin/ Mat / Hairline

400G, 500G,550G or 600G : Mirror finish

Certificate

ISO9001:2000

Test

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

Payment

1. Payment by 20%-30% as advance payment and the balance pay before shipping, or the balance pay about 5-7 days after receiving the BL copy.

2. L/C at sight, T/T

Delivery Time

A.7 days if this goods is stock goods.

B.about 15 to 25 days for a full container.

Export Main Market

Pakistan, India, Africa, Brazil, Nepal, Jordan, Lebanon, Brunei, Nigeria, Thailand, Vietnam,Russia,Turkey

Package

Inner Packing:PVC bags / PC;

Outer Packing:Woven bags / Bundle.

Chemical Composition of Material

Material

201

202

304

316

430

Composition

C

≤0.15

≤0.15

≤0.08

≤0.08

≤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

16-18

17-19

18-20

16-18

16-18

N

3.5-5.5

41370

8-10.5

41561

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)

<253

<253

<200

<200