EN 10305-2 34MnB5 ERW Welded Cold Drawn Precision steel Tubes For Automotive Industry
Contact Person : Richard SHEN
Phone Number : +86-13736164628
WhatsApp : +8613736164628
| Minimum Order Quantity : | 500kg | Price : | NEGOTIABLE |
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| Packaging Details : | Cold Drawn Precision Carbon Steel Tube,packing in standard seaworthy packages | Delivery Time : | 30-45 days |
| Payment Terms : | T/T, L/C, D/A, D/P, Western Union, MoneyGram | Supply Ability : | 5000 tons per month |
| Place of Origin: | Zhejiang,CN | Brand Name: | TORICH |
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| Certification: | ISO9001 TS16949 | Model Number: | EN10305-4 |
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Detail Information |
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| Product Name: | Cold Drawn Precision Carbon Steel Tube | Keyword: | Precision Carbon Steel Tube |
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| Application: | Automotive | Standard: | EN10305-4 |
| Technique: | NBK | Surface Treatment: | Galvanized, Customerized, Copper Coated, Null, Polished |
| High Light: | galvanized seamless precision tubes,cold drawn seamless precision tubes,e235+n precision steel pipe |
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Product Description
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
Product picture
producing process
Tube inspection
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| TORICH INTERNATIONAL LIMITED |
| Suite 1004, Hongan Plaza, #258 Die Yuan Road, Yinzhou District, Ningbo City, China |
| 86-574-88086983 |
| sales@steel-tubes.com |