• St52 E355 St45 St44 Cold Drawn Seamless Carbon Steel Rectangular Hollow Section
  • St52 E355 St45 St44 Cold Drawn Seamless Carbon Steel Rectangular Hollow Section
  • St52 E355 St45 St44 Cold Drawn Seamless Carbon Steel Rectangular Hollow Section
  • St52 E355 St45 St44 Cold Drawn Seamless Carbon Steel Rectangular Hollow Section
  • St52 E355 St45 St44 Cold Drawn Seamless Carbon Steel Rectangular Hollow Section
  • St52 E355 St45 St44 Cold Drawn Seamless Carbon Steel Rectangular Hollow Section

St52 E355 St45 St44 Cold Drawn Seamless Carbon Steel Rectangular Hollow Section

Type: Seamless
Technique: Cold Drawn
Material: Carbon Steel
Surface Treatment: Oiled
Usage: Machinery Industry, Construction & Decoration
Section Shape: Rectangular
Samples:
US$ 200/Piece 1 Piece(Min.Order)
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Customization:

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Mr. Chen Jianjun
Sales Representative
Diamond Member Since 2019

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Manufacturer/Factory

Basic Info.

Model NO.
CXST-3
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

PART I: PRODUCT INTRODUCTION
1. Description: 
Seamless rectanglar steel tubes, with the other name rectangular hollow section, is made from hot rolled seamless steel pipes. It's not welded hollow section. It is made through hydraulic cold drawing and is seamless tube with tight size tolerance, perfect twist,etc. 
2. Commodity: ST52 Cold drawn seamless rectangular hollow section
3. 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,
5. Size range:
Side 80mm*60mm-300mm*200mm
W.T: 35mm max
6. Manufacture method: Hydraulic cold drawn
7. Delivery Condition:
BKW BKS GBK NBK
+LC +SR +A +N
Cold drawn Stress relieved Annealed Normalized
8. End finish: plain ends with square cuts,bevelled ends.
9. Standard export packing: in bundles tied with steel strips. Internal and external oil coating. External packing by PVC bags and knit bags.
10. Customized packing or marking are available upon request.

COLD DRAWN SEAMLESS RECTANGULAR TUBE - NOT HEAT TREATED:
St52 E355 St45 St44 Cold Drawn Seamless Carbon Steel Rectangular Hollow Section


COLD DRAWN SEAMLESS RECTANGULAR TUBE - STRESS RELIEVED:
St52 E355 St45 St44 Cold Drawn Seamless Carbon Steel Rectangular Hollow Section

COLD DRAWN RECTANGULAR TUBE - HEAT TREATED:
St52 E355 St45 St44 Cold Drawn Seamless Carbon Steel Rectangular Hollow Section
St52 E355 St45 St44 Cold Drawn Seamless Carbon Steel Rectangular Hollow Section
PART II: FREQUENTLY ASKED QUESTIONS
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.

PART III: COMPANY INTRODUCTION
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:
St52 E355 St45 St44 Cold Drawn Seamless Carbon Steel Rectangular Hollow Section

RAW MATERIAL STOCK:
St52 E355 St45 St44 Cold Drawn Seamless Carbon Steel Rectangular Hollow Section

HYDRAULIC COLD DRAWING:
St52 E355 St45 St44 Cold Drawn Seamless Carbon Steel Rectangular Hollow Section

STRAIGHTENING:
St52 E355 St45 St44 Cold Drawn Seamless Carbon Steel Rectangular Hollow Section

SAW CUTTING:
St52 E355 St45 St44 Cold Drawn Seamless Carbon Steel Rectangular Hollow Section

HEAT TREATING FURNACE:
St52 E355 St45 St44 Cold Drawn Seamless Carbon Steel Rectangular Hollow Section



 

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