Seamless Stainless Steel Square Pipe

Company Name:

Hebei Gee Pipe Mill Co., Ltd  

Business Type:

Manufacturer and exporter

Product/Service
(We Sell):

 Elbow ( 45 , 90 & 180 degrees )
 Tees - Equal Tee & Reducing Tee
 Reducers - concentric & eccentric reducers
 Flange, Stub end, Cap, Union
 Outlets,Steel pipe, SSAW,LSAW,ERW 

Brand:

Gee pipe

Number of Employees:

1660 People 

Supply Ability

1,118,000 Ton/year

Main Markets:

America
Southeast Asia
Africa
Oceania
Mid East
Eastern Asia
Central America
Europe

Total Annual Sales Volume:

US$120Million - US$151Million  

Name

Square Tube / Pipe

Standard

ASTM A554, A312, A249, A269 and A270

Material Grade

304,316,201,202, 316L,430

Size Range

20x10mm--100x50mm,10x10mm-100x100mm, 8.5-101.6mm, we can also accept sizes above 101.6mm

Thickness

0.3mm - 30mm

Length

5.8-12m or as customers' request

Tolerance

a) Outer Diameter:  +/- 0.2mm

b) Thickness: +/- 0.02mm

c) Length: +/- 5mm

Surface

180G, 320G, 400G Satin / Hairline(Matt Finish, Brush, Dull Finish)

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

Application

Ornamental tubes, Decoration construction, upholstery, industry instruments

Test

Squash test, Extended test, Water pressure test, Crystal rot test, Heat treatment, NDT

Chemical Composition of Material

Composition

   Material

201

202

304

316

430

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

Ni

3.5-5.5

4-6

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)

<253

<253

<200

<200