Cold Drawn or Cold Rolled Seamless Carbon Steel Tube

• Type: Seamless
• Technique: Cold Drawn
• Material: Carbon Steel
• Surface Treatment: Oiled
• Usage: Pipeline Transport, Boiler Pipe, Hydraulic/Automobile Pipe, Oil/Gas Drilling, Food/Beverage/Dairy Products, Machinery Industry, Chemical Industry, Mining, Construction & Decoration, Special Purpose
• Section Shape: Round
• Model NO.: CXCDST-3
• Grade: Carbon Steel and Alloy Steel
• Manufacture Method: Cold Drawn, Cold Rolled
• Delivery Condition: Annealed, Normalized, Normalized+Tempered, Q+T
• Transport Package: Standard Export Packing or Customized Packing
• Specification: 10*1.2-325*50
• Trademark: Chengxin, OEM
• Origin: Jiangsu, China
• HS Code: 7304319000
• Production Capacity: 12000 Tons/Year

Product Description

PART I: PRODUCT INTRODUCTION

1. Commodity: Cold drawn/cold rolled seamless carbon steel tube

2. Standard specification&steel grade: 

ASTM A106	Gr.A, Gr.B,Gr.C
ASTM A179	SA179
ASTM A192	SA192
ASTM A210	Gr.A1, Gr.C
ASTM A519	SAE1010,SAE1020,SAE1026,SAE1045,SAE1518,SAE1524,SAE1541
ASTM A556	Gr.A2, Gr.B2,Gr.C2,
ASTM A795	Gr.A, Gr.B
EN 10216-1	P195TR1,P195TR2,P235TR1,P235TR2,P265TR1,P265TR2
EN 10216-2	P195GH,P235GH,P265GH
EN 10305-1	E195,E235,E355,C45E,E410,E470
EN 10305-4	E215, E235,E355
DIN 2391-2	ST35,ST45,ST52
DIN 2445-2	ST37.4, ST52.4
DIN 17175	ST35.8,ST45.8,
DIN 1629	ST37, ST44
Other specification	JIS, GB, BS,etc

3. Size range:

OD:	upto 356mm
ID:	upto 340mm
W.T:	not limited

4. Manufacture method: Cold rolled, Cold drawn, Hydraulic cold drawn

5. Delivery Condition:

BK	BKW	BKS	GBK	NBK	Q+T
+C	+LC	+SR	+A	+N
Cold rolled	Cold drawn	Stress relieved	Annealed	Normalized	Quenched+Tempered

6. End finish: plain ends with square cuts,bevelled ends.

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

8. Customized packing or marking are available upon request.

COLD ROLLED SEAMLESS TUBES:

COLD DRAWN SEAMLESS TUBES:


HYDRAULIC COLD DRAWN SEAMLESS TUBES:

 

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 is around 20-40 days depending on the sizes and grades.
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:


RAW MATERIAL STOCK: 


HYDRAULIC COLD DRAWING: 


STRAIGHTENING:


SAW CUTTING: 


HEAT TREATING FURNACE: