- Overview
- Product Description
Basic Info.
Model NO.
Stainless steel
Type
Welded
Technique
Cold Rolled
Material
Carbon Steel
Surface Treatment
Galvanized
Usage
Pipeline Transport, Hydraulic/Automobile Pipe, Oil/Gas Drilling, Machinery Industry, Chemical Industry, Construction & Decoration, Special Purpose
Section Shape
Square
Application
Industrial Usage
MOQ
1 Ton
Sample
Available
Standard
AISI Jib En GB
Transport Package
Sea-Worthy Export Package
Specification
Regular Size $ As your requirements
Trademark
Chengyue
Origin
China
HS Code
7306690000
Production Capacity
1000 Ton/ Month
Product Description

Product Name: | Q235B Square Galvanized Carbon Steel Tube | |
Size: | OD | 15x15mm-600x600mm / 20x30mm-600x800mm |
Wall Thickness | 1.2mm-20mm SCH30,SCH40,STD,XS,SCH80,SCH160,XXS etc. | |
Length | Less Than 12m | |
Steel material | Q195 → Grade B, SS330,SPHC, S185 Q215 → Grade C,CS Type B,SS330, SPHC Q235 → Grade D,SS400,S235JR,S235JO,S235J2 | |
Standard | BS EN10296,BS EN10025,BS EN10297,BS6323, BSEN10219,BSEN10217,GB/T13793-1992,GB/T14291-2006, GB/T3091-1993,GB/T3092-1993,GB3640-88 | |
Usage | Used For Structure, Accessorize And Construction | |
Ends | 1) Plain 2) Beveled 3) Thread with Coupling or cap | |
End protector | 1) Plastic pipe cap 2) Iron protector | |
Surface Treatment | 1) Bared 2) Black Painted (varnish coating) 3) Galvanized 4) With Oiled 5) 3 PE, FBE, corrosion resistant coating | |
Technique | Electronic Resistance Welded (ERW ) Electronic Fusion Welded (EFW) Double Submerged Arc Welded (DSAW) | |
Type | Welded | |
Section Shape | Square/rectangular | |
Inspection | With Hydraulic Testing, Eddy Current , Infrared Test | |
Package | 1) Bundle, 2) In Bulk 3) Bags 4) Clients' Requirements | |
Delivery | 1) Container 2) Bulk carrier | |
Port of Shipment | Port in China | |
Date of Delivery | According To The Quantity And Specification Of Each Order |




Square Hollow Section (SHS) | WT (mm) | Rectangular Hollow Section (RHS) | WT (mm) |
16*16 | 0.8-1.5 | 20*40 | 0.8-2.0 |
19*19 | 0.8-2.0 | 25*50 | 0.8-2.0 |
20*20 | 0.8-2.0 | 30*40 | 0.8-2.0 |
25*25 | 0.8-2.0 | 30*50 | 0.8-2.0 |
30*30 | 0.8-2.0 | 37*57 | 0.8-2.0 |
32*32 | 0.8-2.0 | 40*60 | 0.8-2.0 |
35*35 | 0.8-2.0 | 37*77 | 0.8-2.0 |
38*38 | 0.8-2.0 | 25*75 | 1.0-2.0 |
40*40 | 0.8-2.0 | 40*80 | 1.0-2.2 |
50*50 | 0.8-2.0 | 50*100 | 1.0-2.2 |
60*60 | 1.0-2.2 | 50*75 | 1.0-2.2 |
80*80 | 1.0-2.2 | 38*75 | 1.0-2.2 |
100*100 | 1.0-2.3 | 50*75 | 1.0-2.2 |













Q:What the main products you can supply?
A:We are the professional and famous factory in China for Stainles stee sheet/ Coils/ Tubes/ Profiles/Composite packaging Naterials; Corten steel;Wear Resistant steel and Carton steels.
Q:Will you can accept the customized and OEM products?
A:Yes,we can do the production based on your drawings and with your logo,also because we have very strong design and development team,so the feedblack is very good for customized product.
Q:What is your payment terms?
A:Commonly two payment term for new customers
1 ) 30%T/T as deposit,70% balance against B/L copy.
2)100% Irrevocable L/C at sight.
If you need other terms, please feel free to contact us too, we will try our best.
Q:How about the samples? Is it free to extra fees?
A:Yes,we would like to suply the samples before order, if the samples from stock, it will be free,if the sampies from new
production, we will charge some reasonable cost, but this amount will be deducted from your filst order invoice.
Q:How long is your delivery time?
A:Our daily inventory is more than 8000tons, so far common products size,just need 5 days from stocks; if the special size from new production, delivery 20-30 days.
Q:How to control and guarantee your shipment quailty?
A:1)All our factories are ISO9001 certified facility;
2) World famous origin mills as TISCO, Baosteel;
3)Ex factory inspecttion by our own laboratory;
4)SGS/BV Third party inspection before deilvery.