Rectangular or Square Hollow Section

• Type: Seamless
• Technique: Cold Drawn
• Material: Carbon Steel
• Surface Treatment: Oiled
• Usage: Machinery Industry, Construction & Decoration
• Section Shape: Rectangular
• Model NO.: CXHS-1
• Shape: Rectangular, Square
• Grade: Carbon Steel and Alloy Steel
• Raw Material: Hot Rolled Seamless Steel Pipe
• Transport Package: Standard Export Packing or Customized Packing
• Specification: 80*60-300*200*
• Trademark: Chengxin, OEM
• Origin: Jiangsu, China
• HS Code: 73049000
• Production Capacity: 12000 Tons/Year

Product Description

Product Description

Square or rectangular hollow sections are widely used in steel structure and machinery parts. We can manufacture cold drawn seamless square or rectangular hollow sections with tight tolerance and perfect twist.

 

Product Parameters

1. Available steel gardes:

ASTM A519:	SAE1020,SAE1026,SAE1045,SAE1518,SAE1524,SAE1541, SAE4130,SAE4140,SAE4145,SAE4340,SAE8620
DIN 2391-2:	ST35,ST45,ST52
EN 10305-1:	E195,E235,E355,C35E,C45E,25CrMo4,34CrMo4,42CrMo4,
EN 10305-4:	E215,E235,E355
GB/T 3639:	10#,20#,45#,16Mn,Q345B,Q345C,Q345D,Q345E,25Mn,27SiMn,

2. Size range

Rectangular:	80*60-300*200, wall thickness upto 20mm.
Square:	75*75*250*250, wall thickness upto 20mm.

3. Manufacture method: Hydraulic cold drawn

4. Delivery Condition:

BKW	BKS	GBK	NBK
+LC	+SR	+A	+N
Cold drawn	Stress relieved	Annealed	Normalized

5. End finish: plain ends with square cuts
 

6. Standard export packing: in bundles tied with steel strips. Internal and external oil coating. External packing by PVC bags and knit bags.
 

7. Customized packing or marking are available upon request.


 

Detailed Photos

COLD DRAWN SEAMLESS RECTANGULAR TUBE - NOT HEAT TREATED:

COLD DRAWN SEAMLESS RECTANGULAR TUBE - STRESS RELIEVED:

COLD DRAWN RECTANGULAR TUBE - HEAT TREATED:

 

FAQ

1. MOQ: 5 tons/size depending on the size.

2. Delivery Time: 30-45 days average.
3. Warranty&Guarantee: Warranty&guarantee period is 6 months since we deliver the tubes, and we are not responsible for quality problem caused by wrong unloading or storage after shipment. We welcome customer's inspection before shipment. 
4. Payment Method: We accept payment method like T/T, L/C, or D/P, but it depends on our investigation about customers. We have a solution to evaluate the credit of customers from all over the world, and time and amount of D/P we can release is determined by the evaluation. 
5. Quality Control: We purchase raw material from stable suppliers who are leading steel mills, and we inspect the raw material as per the specifications. During our production procedure, there is inspection and quality control in every stage.


 

Company Profile

We are a manufacturer of cold drawn, cold rolled, and hydraulic cold drawn steel tubes with OD upto 356mm since 2002. Covering an area of about 32000M2, we have 12 standard workshops with  2 hydraulic cold drawing benches, 4 chain cold drawing benches, and 2 ERW mills. Our facilities covers all the production procedures from pickling, cold drawing,heat treating,saw cutting, straightening,inspection,packing to further machining &turning, cold drawing die fabrication, and equipment repairation&maintenance.

FACTORY APPEARANCE:


RAW MATERIAL STOCK:


HYDRAULIC COLD DRAWING:


STRAIGHTENING:


SAW CUTTING:


HEAT TREATING FURNACE: