Cold Drawn Precision Carbon Steel Tube
TORICH is a professional steel tubes supplier from China with over 23 years manufacturing and exporting experience.
Our main products are seamless precision pipe,carbon steel seamless precision pipe,alloy steel seamless precision pipe, stainless steel seamless precision pipe.The material we usually use for producing Cold Drawn Precision Carbon Steel Tube is10#,20#,1010,1020,1026,ST37,ST44,E235,E215,E355
Technical standard: EN10305-1,EN10305-4,DIN2391,DIN2392,DIN2393,DIN2394,etc
Size range: OD: 5-420mm WT:0.5-50mm Length: cutomized
Regular sizes: 6x1 6x1.5 8x1 8x1.5 10x1 10x1.0 12x1 12x1.5 12x2.0 15x1.5 15x2.0 16x2.0 18x1.5 18x2.0 20x2.0.......
| Mechanical properties at room temperature |
| Delivery condition | BK | BKW | GBK | NBK |
| steel Grade | Rm Mpa (Min) | A %(Min) | Rm Mpa(Min) | A %(Min) | Rm Mpa(Min) | A %(Min) | Rm Mpa(Min) | ReH Mpa(Min) | A %(Min) |
| St30Al or E215 | 430 | 8 | 380 | 12 | 280 | 30 | 290 to 430 | 215 | 30 |
| St35 or E235 | 480 | 6 | 420 | 10 | 315 | 25 | 340 to 480 | 235 | 25 |
| St45 or E255 | 580 | 5 | 520 | 8 | 390 | 21 | 440 to 570 | 255 | 21 |
| St52 or E355 | 640 | 4 | 580 | 7 | 450 | 22 | 490 to 630 | 355 | 22 |
Delivery condition:
The tubes can be produced in the following delivery conditions:
BK (+C) Cold finished/hard (cold finished as drawn).
No heat treatment after the last cold forming process.
BKW (+LC) Cold finished/soft (lightly cold worked)
After the last heat treatment there is a light finishing pass (cold drawing).
BKS (+SR) Cold finished/stress relieve annealed.
After the final cold forming process the tubes are stress relieve annealed.
GBK (+A) Annealed.
After the final cold forming process the tubes are annealed in a controlled atmosphere.
NBK (+N) Normalized. (Mainly focus on)
After the final cold forming process the tubes are annealed above the upper transformation point in a controlled atmosphere
APPLICATIONS
1. Automotive fields
A. Fuel injection lines/nozzles
B. CNG (Compressed Nature Gas) tube-- Burst pressure: 1307Bar, Working Pressure: around 350bar
C. Drive transmission: Steering column elements
D. Gear shafts, hand brake, front axles, airbag inflators, stabilizers, seat fasteners, front-wheel drive shafts
2. Hydraulic Fields
A. Hydraulic circuits (HPL), pneumatic lines, and hydraulic suspension
B. Hydraulic cylinders (HPZ)
Product picture
producing process
Tube inspection
FAQ
Q1: Can I get some samples? A: Yes, sample order is available for quality check . But you have to pay the sample cost and express cost.
Q2:What about the lead time for mass production? Normally 20-30 working days , nut it also depends on the order quantity and the season you place the order.
Q3.What is your terms of delivery? We accept EXW, FOB, CIF, DDU etc. You can choose the one which is the most convenient or cost effective for you.
Q4.How can I get the price? We usually quote within 24 hours after we get your inquiry by telling us the material, out diameter,wall thickness length, quantity and application of the steel pipe which you need. If you are very urgent to get the price, please inform us in email so that we will regard your inquiry priority.
Urgent online contact Tel/Whatsapp/wechat 008615355107430
Q5. Can i customized my tube with some machining ?
Yes , of course,just let me know your request.
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