• DIN 2391-2 St35 St45 St52 Cold Drawn or Cold Rolled Seamless Carbon Steel Precision Tube
  • DIN 2391-2 St35 St45 St52 Cold Drawn or Cold Rolled Seamless Carbon Steel Precision Tube
  • DIN 2391-2 St35 St45 St52 Cold Drawn or Cold Rolled Seamless Carbon Steel Precision Tube
  • DIN 2391-2 St35 St45 St52 Cold Drawn or Cold Rolled Seamless Carbon Steel Precision Tube
  • DIN 2391-2 St35 St45 St52 Cold Drawn or Cold Rolled Seamless Carbon Steel Precision Tube
  • DIN 2391-2 St35 St45 St52 Cold Drawn or Cold Rolled Seamless Carbon Steel Precision Tube

DIN 2391-2 St35 St45 St52 Cold Drawn or Cold Rolled Seamless Carbon Steel Precision Tube

Type: Seamless
Technique: Cold Drawn
Material: Carbon Steel
Surface Treatment: Oiled
Usage: Hydraulic/Automobile Pipe, Machinery Industry, Mining, Special Purpose
Section Shape: Round
Samples:
US$ 100/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.
CXPT-1
Grade
Carbon Steel and Alloy Steel
Manufacture Method
Cold Rolled, Cold Drawn, Hydraulic Cold Drawn
MOQ
1 Ton/Size
Transport Package
Standard Export Packing or Customized Packing
Specification
6*1-325*50
Trademark
Chengxin, OEM
Origin
Jiangsu, China
HS Code
7304319000
Production Capacity
12000 Tons/Year

Product Description

PART I: PRODUCT INTRODUCTION
1. Description: 
Precision tube is a kind of  steel tube  with tight tolerance or good surface quality through cold drawing or cold rolling. This kind of tubes are widely used in machinery parts, automotive parts,oil&gas pipeline pigging,etc
2. Commodity: DIN 2391-2 seamless precision steel tube
3. Standard specification: ASTM A519, DIN 2391-2, EN 10305-1, EN 10305-4, customized specification.
4. Available steel grade: Various carbon steel and alloy steel grades including but not limited to the following:
ASTM A519: SAE1010,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:
OD: upto 356mm
ID: upto 340mm
W.T: not limited
6. Manufacture method: Cold rolled, Cold drawn, Hydraulic cold drawn
7. Delivery Condition:
BK BKW BKS GBK NBK Q+T
+C +LC +SR +A +N
Cold rolled Cold drawn Stress relieved Annealed Normalized Quenched+Tempered
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 ROLLED SEAMLESS TUBE:
DIN 2391-2 St35 St45 St52 Cold Drawn or Cold Rolled Seamless Carbon Steel Precision Tube

COLD DRAWN SEAMLESS TUBE:
DIN 2391-2 St35 St45 St52 Cold Drawn or Cold Rolled Seamless Carbon Steel Precision Tube

HYDRAULIC COLD DRAWN SEAMLESS TUBE: 

DIN 2391-2 St35 St45 St52 Cold Drawn or Cold Rolled Seamless Carbon Steel Precision Tube
 
PART II: FREQUENTLY ASKED QUESTIONS
1. MOQ: 
Generally Min Order Quantity can be 2-3 tons/size for tubes with OD below 250mm, and 10 tons/size for tubes with OD above 250mm. Sometimes, it depends on steel grade you need. If you need special grade like E410, E470 or alloy steel tube, MOQ should be 10 tons/size at least. 
2. Delivery Time: Generally, our delivery time for honed tubes is around 40-60 days depending on the sizes and quantities. It will take us 15-30 days to get raw material. For example, if you need 3 tons of small size honed tubes 50mm*40mm with roughness of Ra0.25um max, it will take us at least 30 days to hone this size. 
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: 90% of the tubes are made from hot rolled seamless pipes. So, quality of raw material determined quality of finished tubes. 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:
DIN 2391-2 St35 St45 St52 Cold Drawn or Cold Rolled Seamless Carbon Steel Precision Tube

RAW MATERIAL STOCK:
DIN 2391-2 St35 St45 St52 Cold Drawn or Cold Rolled Seamless Carbon Steel Precision Tube

HYDRAULIC COLD DRAWING:
DIN 2391-2 St35 St45 St52 Cold Drawn or Cold Rolled Seamless Carbon Steel Precision Tube

STRAIGHTENING:
DIN 2391-2 St35 St45 St52 Cold Drawn or Cold Rolled Seamless Carbon Steel Precision Tube

SAW CUTTING:
DIN 2391-2 St35 St45 St52 Cold Drawn or Cold Rolled Seamless Carbon Steel Precision Tube

HEAT TREATING FURNACE:
DIN 2391-2 St35 St45 St52 Cold Drawn or Cold Rolled Seamless Carbon Steel Precision Tube

LATHES:
DIN 2391-2 St35 St45 St52 Cold Drawn or Cold Rolled Seamless Carbon Steel Precision Tube

HONING:
DIN 2391-2 St35 St45 St52 Cold Drawn or Cold Rolled Seamless Carbon Steel Precision Tube

SKIVING&ROLLER BURNISHING:
DIN 2391-2 St35 St45 St52 Cold Drawn or Cold Rolled Seamless Carbon Steel Precision Tube
 

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