China factory mild steel black square tube

Name

mild steel black square tube 

Size

diameter

20*20~600*600mm

W.T

0.5-30mm

Length

6-12m or as customers’ request

Standard

GB/T, ASTM,BS

Material

Q195,Q235,Q345

Applicaition

structure or other industry

Surface

Black,Galvanized,Hot dipped

Inspection

With Chemical Composition and Mechanical Properties Testing; Hydrostatic Test,

Dimensional and Visual Inspection, Also With Nondestructive Inspection

Technique

ERW

Package

Package In Bundle

Date of Delivery

According to The Specifications And the Quantities,

15days after confirm the Earnest or L/C

Method of Payment

T/T, L/C

Square Pipe Astm A500/GBT6728

Size(mm)

Thickness (mm)

Size (mm)

Thickness (mm)

10x10

0.6-1.0

70x70

1.5-6.0

12x12

0.6-1.0

75x75

1.5-6.0

16x16

0.6-1.2

80x80

2.0-6.0

19x19

0.6-1.5

90x90

2.0-6.0

20x20

0.6-1.5

100x100

2.3-6.0

25x25

1.0-2.75

120x120

4.0-6.0

30x30

1.0-2.75

125x125

4.6-6.0

32x32

1.0-3.0

150x150

4.0-8.0

38x38

1.0-3.0

200x200

6.0-12

40x40

1.0-3.5

250x250

6.0-12

50x50

1.0-5.0

300x300

6.0-12

60x60

1.0-6.0

400x400

6.0-12

63.5x63.5

1.0-6.0

Rectangular Pipe Astm A500/GBT6728

Size(mm)

Thickness (mm)

Size (mm)

Thickness (mm)

20x10

0.6-1.0

125x50

3.0-6.0

25x12

0.6-1.0

125x75

3.0-6.0

38x19

0.6-1.5

150x50

3.0-6.0

50x25

0.6-1.5

150x75

3.0-6.0

50x30

1.0-3.0

150x100

4.0-12

60x40

1.5-3.5

160x80

4.0-6.0

75x50

1.5-4.0

175x100

4.0-12

80x40

1.5-4.0

200x100

4.0-12

100x50

2.0-6.0

200x150

4.0-12

100x60

2.0-6.0

250x150

5.0-12

100x75

2.0-6.0

300x200

5.0-12

120x60

3.0-6.0

400x200

5.0-12

120x80

3.0-6.0

Galvanized steel pipe

Standards

ASTM A53-2010, ASTM A795-2000, BS1387:1985, BS EN39:2001

Steel Grade

Grade A, Grade B, Q195-Q345 etc

Available sizes

OD:  21.3-114.3MM    Wall Thickness: 2.5-12.0MM

  Our company has 5 hot-dipped galvanized steel pipe workshops, with a construction area of 15,000 square meters in total and all the workshops were set up in August 2005, which can galvanized all sizes of longitudinal ERW steel pipe, seamless steel pipe, square and rectangular steel pipe etc, with an annual production capacity of 200, 000 metric tons.

   The galvanized pipes are widely used in water-conveying, heating, gas and oil transportation. It also is used in machinery, automobile industry, mine, highway, containers and steel structure etc.

SSAW steel pipe

Standards

API 5L, ASTM A53, ASTM A252

Steel Grade

Grade A, Grade B, Q195-Q345, X42-X60

Available sizes

OD:  219.1-1820MM    Wall Thickness: 6.0-14.0MM

  Our company can supply SSAW steel pipes from OD219.1 to 1820mm, wall thickness 6.0-14.0mm, with an annual production capacity of 100, 000 metric tons. The SSAW steel pipes are used in transportation of gas, petroleum and low pressure fluid;piles and construction etc.

Scaffolding Pipe

  Our company can produce scaffolding pipe with diameter 48.3mm, wall thickness 3.2mm, 4.0mm and customer-required wall thickness. The production capacity of the scaffolding pipe is 50,000 metric tons per year. The product adopts European Standard -- BS EN 39:2001

Square and rectangular steel pipe

Standards: Astm A500, EN10219-1-2006, GB/T6728-2002

Steel Grade: Grade A, Grade B, Q195-Q345

Available sizes: 10*10-400*400mm       20*10-400*200mm

   Our company can produce and galvanize square and rectangular steel pipes in size 10*10mm-400*400mm, with wall thickness 0.6-2.7mm. The square and rectangular steel pipes are widely used in construction, machinery, steel structure, furniture, road guardrail and decoration etc.

Other products

Threaded end, seamless steel pipes, pre-galvanized steel pipe, grooved end, 3PE coating steel pipe, Expoy resin lining steel pipe etc