TORICH INTERNATIONAL LIMITED
TORICH INTERNATIONAL LIMITED The Steel Tube Maker
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Seamless Precision Metal Tubing Cold Drawn Steel Pipe DIN2391
DIN 2391 steel pipes for hydraulic systems, steel pipes for automobiles, widely used in steel pipes for hydraulic systems, steel pipes for injection molding machines, steel pipes for hydraulic machines, steel pipes for marine use, EVA foaming hydraulic machinery, steel pipes for precision hydraulic cutting machines
1.Introduction of DIN 2391 precision metal steel tubing :
| Product name | Seamless Precision Metal Tubing Cold Drawn Steel Pipe DIN2391 |
| Stadard | DIN2391 |
| Technique | Cold drawn |
| OD | 16-325mm |
| WT | 1-22mm |
| Application | Automobile components, heavy truck components |
| Section shape | Round |
| Surface treatment | Black phosphating,etc |
| Port | Shanghai,Ningbo |
| Supply ability | 50 tons per month |
| Type | Precision seamless carbon tubes |
| Terms of Delivery | FOB,CIF,CFR,CPT,etc |
| Terms of Payment | L/C,T/T,Money Gram,Western Union,etc |
2.Chemical components:
| Steel grade | C max | Si max | Mn | P max | S max |
|---|---|---|---|---|---|
| St 35 | 0.17 | 0.35 | ≥0.40 | 0.025 | 0.025 |
| St 45 | 0.21 | 0.35 | ≥0.40 | 0.025 | 0.025 |
| St 52 | 0.22 | 0.55 | ≤1.60 | 0.025 | 0.025 |
3.Mechancial properties:
| Steel grade
|
BK |
BKS | GBK | NBK | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Tensile Strength Rm N/mm min | Elongation % min | Tensile Strength Rm N/mm min | Tensile Strength Rm N/mm min | Elongation % min | Tensile Strength Rm N/mm min | Elongation % min | Tensile strength Rm N/mm min
| Yield strength ReH N/mm min | Elongation % min | |
| St35 | 480 | 6 | 420 | 315 | 14 | 315 | 25 | 340-470 | 235 | 25 |
| St45 | 580 | 5 | 520 | 375 | 12 | 390 | 21 | 440-570 | 255 | 21 |
| St52 | 640 | 4 | 580 | 420 | 10 | 490 | 22 | 490-630 | 355 | 22 |
QUALITY CONTROL:
1. Incoming Raw Material Inspection
2. Raw Material Segregation to avoid steel grade mix-up
3. Heating and Hammering End for Cold Drawing
4. Cold Drawing and Cold Rolling, on line inspection
5. Heat Treatment, +A, +SRA, +LC, +N, Q+T
6. Straightening-Cutting to specified length-Finished Measuring Inspection
7. Machanical Testing in own labs with Tensile Strength, Yield Strength, Elongation, Hardness, Impact, Mictrostruture etc
8. Packing and Stocking
100% of our steel tubes are dimensionally checked
100% of our steel tubes are visually checked to assure they have a perfect surface condition and no surface defects.
100% eddy current test and ultrosonic test to eliminate longitudinal and transversal defects.
4. Precision metal steel tubing product show:
5.Packing method:
Q&A
Q: Are you trading company or manufacturer ?
A: A professional steel pipes materials inventor, manufacturer and solution provider
Q: How long is your delivery time?
A: Generally it is 7-14 days if the goods are in stock. or it is 30-60 days if the goods are not in stock, it is according to quantity.
Q: Do you provide samples of carbon seamless steel tube ? is it free or extra ?
A: Yes, we could offer the sample for free charge but need pay the cost of freight.
Q: What is your terms of payment ?
A: Payment<=1000USD, 100% in advance. Payment>=1000USD, 30% T/T in advance ,balance before shippment.
Q:Do you have agent or distributor in our country?
A:We are recruiting area agent and distributor all over the world, welcome to send us your mail or call us for detail discussion.
Q:How is your production capability?
A:1.2000 tons monthly production capacity, 5000 tons monthly trading capability
2.Prompt and Timely shipment
Q:How to get the sample?
A:1.You are requested to pay for sample charges and courier charges from China to your country; and the free sample is according the product like size, steel grade and quantity, please consult our sales for details
2.Sample charges will be refunded when order is placed.
Q:Who are your customers?
A:Stockists, Distributors,Wholesalors,Agents, Traders, End Users, etc
Q:How long will you react on our requirement?
A:Your requirement would be treated within 24 hours on weekdays. Quotations would be sent upon technical details confirmed by customer!
Any more questions about your doubts, please feel free to send us your emails or call!