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Hot Rolled GB Q345B Square Hollow Square Steel Pipe with Galvanized Surface Treatment

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Hot Rolled GB Q345B Square Hollow Square Steel Pipe with Galvanized Surface Treatment

China Hot Rolled GB Q345B Square Hollow Square Steel Pipe with Galvanized Surface Treatment supplier

Large Image :  Hot Rolled GB Q345B Square Hollow Square Steel Pipe with Galvanized Surface Treatment

Product Details:

Place of Origin: China
Brand Name: SHUNYUN INDUSTRIAL
Certification: ISO/ JIS/ CE
Model Number: 20*20*1.5mm

Payment & Shipping Terms:

Minimum Order Quantity: 8 Tons
Price: Square Steel Pipe USD 350~ USD 430 per ton FOB Shanghai
Packaging Details: Seaworthy packing or as requested
Delivery Time: 3~7 working days
Payment Terms: L/C, T/T
Supply Ability: 10,000 tons per month
Detailed Product Description
Product Name: Hot Rolled Square Steel Pipe Chinese Standard Q345B Square Hollow Tube Grade: Q345B (As Below Grade List)
Standard: GB Q345B Color: Black
Surface Treatment: Galvanized Processing Service: Cutting / Bending / Drilling Hole
Technique: Hot Rolled Size: (As Below Size List)
Length: 5800mm/6000MM Ends:: Plain Ends
Usage:: Project / Building / Bridge / Structural Beam / Tower / Ship

Hot Rolled GB Q345B Square Hollow Square Steel Pipe with Galvanized Surface Treatment

 

 

Hot Rolled square steel pipe Chinese standard Q345B square hollow tube

 

Description

 

We are one of the prominent suppliers, and stockists of a wide range of Hollow Sections, which includes Square and Rectangular Steel Hollow Section, Square and Rectangular Cold Rolled Steel Tubes, Cold Rolled Steel Tubes and Round Steel Pipes. Which are applicable in automobile, engineering, gas, marine and petroleum, steam and boiler industries. Please do feel free to contact with us If you haven’t find the steel grade at the below sheet.

 

Specification

 

square hollow tube size list:

Size  (MM) Thinckness (MM) Size (MM) Thinckness (MM) Size  (MM)  Thinckness (MM) Size (MM) Thinckness (MM)
20*20 1.0 

60*60        

50*70        

40*80         

50*80        

70*70        

60*80       

100*40

1.3

120*120  

140*80    

160*80    

75*150  

100*150  

160*60

2.5~2.75

300*450 

300*500 

400*400

4.5~5.75
1.3 1.4 3.0~4.0 7.5~11.75
1.4 1.5 4.25~4.75 12.5~13.75
1.5 1.7 5.25~6.0 14.5~14.75
1.7 1.8 6.5~7.75 15.5~17.75
2.0  2.0 9.5~15

450*450  

200*600 

300*600 

400*500 

400*600 

500*500

4.5~5.75

       25*25        

20*30

1.3  2.2

130*130  

80*180  

140*140  

150*150 

200*100

2.5~2.75 7.5~7.75
1.4  2.5~4.0 3.0~3.25 9.5~9.75
1.5 4.25~5.0 3.5~4.25 11.5~13.75
1.7 5.25~6.0 4.5~9.25 14.5~15.75
1.8   9.5~15 16.5~17.75
2.0

90*90        

75*75        

80*80        

60*90      

60*100     

50*100    

60*120     

50*120    

80*100 

1.3

160*160 

180*180 

250*100 

200*150

2.5~3.25    
2.2 1.5 3.5~5.0    
2.5~3.0 1.7 5.25~7.75    

25*40

30*30

20*40

30*40

            

1.3 1.8 9.5~15    
1.4 2.0

150*250  

100*300 

150*300 

200*200 

135*135

2.75    
1.5 2.2 3.0~3.25    
1.7 2.5~4.0 3.5~7.75    
1.8 4.25~5.0 9.5~12.5    
2.0 5.25~5.75 12.75~15.75    
2.2 7.5~7.75

200*300 

250*250 

100*400 

200*250

3.5~3.75    
2.5~3.0

100*100  

80*120    

125*75    

140*60    

50*150

1.5 4.5~11.75    

25*50

40*40

30*50

30*60

40*50

40*60

50*50 

1.3 1.7 12.5~14.75    
1.4 1.8 15.5~17.75    
1.5 2.0

200*350 

200*400 

300*300 

250*350

4.75~7.75    
1.7 2.2 9.5~11.75    
1.8 2.5~5.0 12.5~14.75    
2.0 5.25~6.0 15.5~17.75    
2.2 6.5~7.75

300*350 

300*400 

350*350 

250*450

4.75~7.75    
2.5~4.0 9.5~13 9.5~11.75    
4.25~5.0   12.5~14.75    
5.25~6.0   15.5~17.75    

 

Grade list:

 

Standard

 

Grade

Method of 

Deoxidization

 

Mechanical Property

(N/MM2) 

Tensile Strength

 

Yield Strength

0(0N140/MM2) 

(A%)Percentage 

Elongation 

after Fracture

Impact Power

≤16 16~40 20℃ 0℃ -20℃

    

GB Standard

Q235B Z 370-500 ≥235 ≥225 ≥26 ≥27    
Q345B Z 470-630 ≥345 ≥325 ≥21 ≥34    
Q420B Z 520-680 ≥420 ≥400 ≥18 ≥34    
Q420C Z 520-680 ≥420 ≥400 ≥19   ≥34  
Q460C Z 550-720 ≥460 ≥440 ≥17   ≥34  

 

JIS Standard

SS400 Z 400-510 ≥245 ≥235 ≥23      
SS540 Z ≥540 ≥400 ≥390 ≥17      

       

EN Standard

S235JR Z 360-510 ≥235 ≥225 ≥26 ≥27    
S235JO Z 360-510 ≥235 ≥225 ≥26   ≥27  
S235J2 Z 360-510 ≥235 ≥225 ≥24     ≥27
S275JR Z 410-560 ≥275 ≥265 ≥23 ≥27    
S275JO Z 410-560 ≥275 ≥265 ≥23   ≥27  
S275J2 Z 410-560 ≥275 ≥265 ≥21     ≥27
S355JR Z 470-630 ≥355 ≥345 ≥22      
S355JO Z 470-630 ≥355 ≥345 ≥22      
S355J2 Z 470-630 ≥355 ≥345 ≥22      

 

ASTM Standard

A36 Z 400-550 ≥250 ≥250 ≥23      
A572-50 Z ≥450 ≥345 ≥345 ≥21      
A572-60 Z ≥520 ≥415 ≥415 ≥18      

 

shipbuilding

A Z 400-520 ≥235 ≥235 ≥22      
B Z 400-520 ≥235 ≥235 ≥22   ≥27  

 

Other products we offer:

Section steel:  Angle,H beam,I beam, Channel

Pipe: Round hollow section pipe, square hollow tube,Retangular Hollow Section pipe

Plate: Steel plate, checker plate, corrugated sheet , steel coil

Bar: Flat , square, round bar

Fittings: Screw,Stud bolt, bolt,nut,washer,flange and other related pipe kits

 

 Advantages:

* We specialize in this feild for more than 10 years
* Fast response in reply 
* Large stock and widly products
* Good sales with reasonable price.
* Good quality materials.
* Fast lead time.
* Rich experience in export business.
* Well after sales service.
* Flexible policy!


square hollow tube​ photos:

Hot Rolled GB Q345B Square Hollow Square Steel Pipe with Galvanized Surface Treatment

 

Tks for visiting our page, & welcome to contact us !

Contact Details
Shanghai shunyun industrial co.,Ltd.

Contact Person: Susana Qiao

Tel: +8613818875972

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