astm a36 square metal tube Q235b / building

Short Description:

Place of Origin:Tianjin, China

Material:Q195,Q215,Q235B,Q345,Q39,16Mn,20# ,45#,20MN2,SS400,ST52-3.

Grade:Q195,Q215,Q235B,Q345,Q39,16Mn,20# ,45#,20MN2,SS400,ST52-3.

Surface:Black,Pre-galvanized,Hot dip galvanized,Electro galvanized,Painted,Threaded,Socket,Engraved.

Zinc Coating:30-275g/m2

Usage:Construction ,Structure,Building construction,machine manufacturing,Electrical,Chemical industry

Application:Fluid Pipe

Section Shape:Square/Rectangular

Outer Diameter:10*10mm-1000*1000mm/10*20mm-500*1000mm

Thickness:0.6-30 mm

Standard:GB/T6728-2002,ASTM A500 GR.A.B.C,JIS S3466

Product Detail

customer benefit

Surface treatment

Factory certificate

customers photos

Our Advantages

Product Tags

Product description:

Product name hollow section square tube
Wall Thickness 0.7mm–13mm
Length 1–14mAccording to customer requirements …
Outer Diameter 20mm*20mm—400mm*400
Tolerance Tolerance based on Thickness:±5~±8%;According to customer’s request
Shape square 
Material Q195—Q345,10#,45#,S235JR,GR.B-D,STK500,BS1387……
Surface treatment black
factory  yes 
Standard ASTM,DIN,JIS,BS
Certificate ISO,BV,CE,SGS
Payment terms 30%T/T deposit in advance,70%balance after B/L copy;
Delivery times 25days after receive ur deposits
Package
  1. Through a bundle
  2. According to customer’s requirement
Loading port Tianjin/Xingang

Product photos :

1 (1) square tube square tube2

  • Previous:
  • Next:

  •  customer benefit

    What benefits do customers get:

    1.we are factory .( our price will have an advantage over trading companies.)

    2.Don’t worry about the delivery date . we are sure to deliver the goods in time and quality to achieve customer satisfaction . 

    Different from other factories:

      1.we applied for received 3 patents .(Groove pipe ,Shoulder pipe,Victaulic pipe )

       2. Port : our factory just 40 kilometers from Xingang port ,is biggest port in the north of China .

       3.Our manufacturing equipment include 4 pre-galvanized products lines,8 ERW steel pipe product lines,3 hot-dipped galvanized process lines.

    Surface treatment

    square steel tube square tube 2 black square tube
    powder coating square tube  galvanized steel square tube  black steel square tube 

    Factory certificate

    2 (1) 2 (2)
    ISO CE

    customers photos 

    4 3
    The Australia buys a lot of steel pipes in our factory.The customer came to our factory to inspect the goods.  Our boss met our Filipino client at the exhibition.

    Our Advantages :

    1.we are the source manufacturer .

    2.Our factory is near the port of Tianjin.

    3.To ensure the quality of our products, we use high quality materials and strict quality control

    Payment Term :

    1.30% deposit then 70% balance after received the BL copy
    2.100% at sight Irrevocable letter of credit
    Delivery time: within 15-20 days after received the deposit
    Certificate : CE,ISO,API5L,SGS,U/L,F/M