PART I: PRODUCT INTRODUCTION
1. Commodity: Cold drawn/cold rolled seamless alloy steel tube
2. Standard specification&steel grade:
| ASTM A213 |
T2,T5,T9,T11,T12,T22,T23,T91,T92 |
| ASTM A335 |
P1,P2,P5,P9,P11,P12,P22,P23,P91,P92 |
| ASTM A519 |
SAE4130,SAE4140,SAE4145,SAE4340,SAE8620 |
| EN 10216-2 |
16Mo3,14MoV63,10CrMo5-5,13CrMo4-5,10CrMo9-10,11CrMo9-10,25CrMo4 |
| EN 10305-1 |
25CrMo4,42CrMo4 |
| BS 6323-1 |
CFS9, CFS10,CFS11 |
| BS 6323-4 |
CFS9, CFS10,CFS11 |
| 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:
Audited Supplier 
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