Looks like you are not TradeKey.com's Member yet. Signup now to connect with over 9 Million Importers & Exporters globally.
Join Now, its Free |
Book call on your favorite time
Code
       

By Signing Up. I agree to TradeKey.com Terms of Use, Privacy Policy, IPR and receive emails related to our services

Amazon Services

120*120-300*300 square steel tube

China

-

550 ~ 660 / Metric Ton ( Negotiable ) Get Latest Price

-

550 per Metric Ton

20 Metric Ton

as buyer's requirement

within 20 days

5500 Metric Ton per Month

T/T, L/C

square steel tube

Contact Now

Product Description

On the basis of 10 year's marketing,we established our company in 2006.Our company has been producing steel tubes for more than 8 years.And certified with CE,GL,UKAS,EACC and so on.
We own three sets of sophisticated production lines for square steel tube,one set of JCOELUE production line and one set of cross-section prodution line.

Products:
30*30-500*500mm precision cold bending square and rectangular steel tube
400*400-1420*1420mm--10-80mm Large diameter (thick wall) square and rectangular steel tube
325-1420mm—10-80mm Large diameter (thick wall) LSAW steel tube

The main products big outside diameter & thick square and rectangular steel tube have filled the blank of both at home and abroad. 
The products are widely used in large construction, bridges, machinery,shipbuilding and transport the gas and fluid. 
With the annual output of 150,000 tons of pipes, our . we take multi-varieties, high precision, fast delivery as our purpose and serve the new and old customers.
Welcome to visit us.


Tolerance Of Size And Angle Tolerance Of Size And Angle

 
QBTTS01 Usually(special) JISG3466( Japan ) GB6728-2002( China ) GB3094-2000( China )
A,Bmm
 

 
Under50 ±0.5 250 ±2.0 Under30 ±0.3(ordinary) ±0.2(advanced)
Under100 ±0.5±0.25)  Under100 ±1.5 100 ±0.8 300 ±2.4 3050 ±0.4(ordinary) ±0.3(advanced)
Above100 ±0.8%(±0.5%)  Above100 ±1.5% 150 ±1.2 350 ±2.8 5075 ±0.8%(ordinary) ±0.7%(advanced)
200 ±1.6 400 ±3.2 Above75 ±1%(ordinary) ±0.8%(advanced)
Level degree mm Under100 Under±0.5±0.3 Under100 Under±0.5 Under60 ±0.4
 

 
50-75 ±0.8%(ordinary) ±0.5%(advanced)
Above100 Above0.5%0.4% Above100 A,B±0.5% Above60 0.6%
 

 
Above75 ±0.9%(ordinary) ±0.6%(advanced)
Contained angle of adjoint level ±1.0°(±0.5°) ±1.5°
 

 
Bending degree 1.5mm in total length 1mm in 1 meter is allowed Total length is Under 0.3% Each meter is not greater than 2,the total length is not greater than 0.2%
 
Per meter10 Rs<=3t
Distortion 1.5%mm in total length 1mm in 1 meter is allowed no obvious distortion Under75 <=2.5mm/m
Above75 <=3.0mm/m
wall thickness in the range of corresponding tolerance standards of the material

Note:(1)QBTTS01 -- TTS enterprise internal standard,cold formed steel hollow sections for general structure
     (2)JISG3466 -- the standard of rectangle type steel tubes that generally constructed and used in Japan
     (3)GB/T6728-2002 -- cold drawn shaped steel tubes
     (4)Other special precision is according to the agreement signed by both sides of supply and demand
     (5)The welded joint usually in the middle of the heterogeneous type tube broadside,please propose in addition
     for special demand
     (6)carbon steel type:Q195Q345,10#45#,and so on; Stainless steel type:SUS304,316,321,titanium alloy,pure
     titanium and so on

 

Hebei XinZhongLian Special Steel Tube (Group) CO., LTD 
 
Add:No.20 BeiHai Road Cangzhou Development Zone Hebei Provice of China
 

 
 
 
Thank you for your time.
 


 

Contact Us

Contact Person : Cassie

Company:Hebei xinzhonglian Special Steel Tube

Address:Cangzhou, Hebei, China,

To,

Cassie < Hebei xinzhonglian Special Steel Tube >
I want to know:

Watch 120*120-300*300 square steel tube Video

More Products From Other Suppliers

hollow Square and rectangular steel pipe hollow Square and
Stainless steel pipes / tubes Stainless steel pipes /
black steel pipe black steel pipe
Q235 Hot-DIP Galvanized Square Steel Pipe Q235 Hot-DIP Galvanized
Steel pipe Steel pipe
SQUARE SECTION END FACING MACHINE SQUARE SECTION END FACING
 stainless steel pipes stainless steel pipes
Section Steel Section Steel
Galvanise/ CR/ HR Skelp. GI hollow pipe. Black/ Bright steel pipe. Steel bar, Angles, Channel... Galvanise/ CR/ HR Skelp. GI
square pipe square pipe
ERW Steel Hollow Section ERW Steel Hollow Section
ERW Steel Pipe ERW Steel Pipe
Square Steel Pipes Square Steel Pipes
Steel Pipes Steel Pipes
Square steel pipe Square steel pipe
HMS 1 HMS 1