• Black Welded Steel Tube (Square or Rectangle Hollow Section) (ZL-ST)

Black Welded Steel Tube (Square or Rectangle Hollow Section) (ZL-ST)

Type: Welded
Technique: ERW
Material: Carbon Steel
Surface Treatment: Black
Usage: Construction & Decoration
Section Shape: Square
Customization:
Gold Member Since 2015

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Basic Info.

Model NO.
ZL-ST
Surface
Black, Bright, Zinc Coating
Square Section
13X13mm - 400X400mm
Rectangle Section
10X20mm - 300X400mm
Transport Package
Bundle
Origin
Tianjin
Production Capacity
10000tons/ Month

Product Description

Black Welded Steel Tube
Steel Tube Square Hollow Section/ Rectangle Hollow Section

Specification:
1.Square dimensions: 15*15mm-500*500m.
2.Rectangular dimensions: 10*20mm-400*600mm.
3.Length: 1-14m or according to customer's requirement.
4.Special design is available according to requirement
5.Techniques: cold rolled, hot rolled, high-frequency welding and cold-formed molding technology.
6.Standards: GB/T 6728-2002, ASTM A500, EN 10219, JIS G3466,DIN
7.Usage:Mechanical and manufacture, steel structure, ship building, bridging, automobile chassis.
 The main Products

Name of products size (mm) Wall thickness (mm)Name of Products Size (mm) Wall thickness (mm)
Square
 tubes
20*201.3-2.5Rectangular
 tubes
20*301.3-2.75
25*251.3-2.7520*401.3-2.75
30*301.3-2.7525*401.3-2.75
40*401.3-3.7530*501.3-4.75
50*501.3-5.7530*601.3-4.75
60*601.3-5.7540*501.3-4.75
70*701.3-5.7540*801.3-4.75
80*801.3-5.7550*701.3-4.75
90*901.3-5.7550*801.3-4.75
100*1001.2-1260*901.3-4.75
120*1202.5-1250*1001.3-5.75
140*1402.75-1650*1501.3-5.75
150*1502.75-1660*1601.3-5.75
160*1603.0-16100*1502.5-16
180*1803.0-16100*2002.5-16
200*2003.0-16100*2502.5-16
250*2504.75-20150*3004.5-16
300*3004.75-20200*3005.5-20
400*4004.75-20200*4005.5-20
500*5004.75-20400*6005.5-20
RemarksSmall order and customized size available

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