TORICH INTERNATIONAL LIMITED
| Payment Terms | T/T, L/C, D/A, D/P, Western Union, MoneyGram |
| Supply Ability | 5000 tons per month |
| Delivery Time | 30-45 days |
| Packaging Details | packing in standard seaworthy packages |
| Product name | Seamless Precision Tube EN10305-1 14x4 5 NBK |
| Keyword | Seamless Precision Tube |
| Application | Hydraulic system,Automobile |
| Standard | DIN 2391 |
| Technique | NBK |
| Surface treatment | Galvanized, customerized, Copper Coated, Null, polished |
| Brand Name | TORICH |
| Model Number | DIN 2391 |
| Certification | ISO9001 TS16949 |
| Place of Origin | Zhejiang,CN |
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Product Specification
| Payment Terms | T/T, L/C, D/A, D/P, Western Union, MoneyGram | Supply Ability | 5000 tons per month |
| Delivery Time | 30-45 days | Packaging Details | packing in standard seaworthy packages |
| Product name | Seamless Precision Tube EN10305-1 14x4 5 NBK | Keyword | Seamless Precision Tube |
| Application | Hydraulic system,Automobile | Standard | DIN 2391 |
| Technique | NBK | Surface treatment | Galvanized, customerized, Copper Coated, Null, polished |
| Brand Name | TORICH | Model Number | DIN 2391 |
| Certification | ISO9001 TS16949 | Place of Origin | Zhejiang,CN |
| High Light | NBK Precision Steel Tubes ，14x4 Seamless Precision Steel Tubes ，EN10305-1 Precision Steel Tubes | ||
Seamless Precision Tube EN10305-1 14x4 5 NBK
OD:4-76mm
Wall thickness:0.5-8mm
Material:E215 E235 E355 ST35,ST37.4,ST45,ST52.4 etc
| Hydraulic steel tube | |||||
| Standard | Material | Delivery | Surface | Sizes | |
| DIN | 2391/1630/2445 | ST37.4 ST52.4 | NBK | 1) BA 2)Black phosphating 3) Galvanizing | OD2 -60mm × WT0.3 -10mm |
| EN | 10305-4 | E235 E355 | (+)N | ||
| BS | 3602 | CFS 360 | Zinc Layer thickness more than 8um | ||
| Other steel grades also available upon request | |||||
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
Production routing:
Quality carbon steel from bao steel etc big mill, cold drawing the heat treatment without oxidization , NBK condition. Do nondestructive testing ,HT tests and do dipping oil antirust protection, Packed tube in wooden boxes.
Main feature:
High precision
Excellent brightness
No oxidization on outer and inner walls after heat treatment
High cleanness of inside wall
High pressure
No deformation after clod bending
No crack after flaring and flattening
Color : Gray with white
Application:
Hydraulic system
Automobile
Tolerance
Name | Scope mm | DIN seriesmm |
| OD | 04-30 | ±0.08 |
| OD | 31-40 | ±0.15 |
| OD | 41-50 | ±0.20 |
| OD | 51-60 | ±0.25 |
| Wall | 0.5-7 | ±10% |
Surface:
NBK
Galvanization/Galvanized/Zinc Coated
Blue White Zinc (Trivalent Chromium Passivation)
Plating Colour Zinc(Trivalent Chromium Passivation)
Yellow, Army-Green
Phosphated/Black Phosphated
Surface quality
Without oxidization
No crack
No fold
No rolling fold
No scar
No laminar defect
What we can do in our testing center
Physis laboratory
Chemical spectrometer
Pressure blasting machine
Metallographic analysis
Salt Spray Test
Stock size list.
| ODmm | WT mm |
| 4 | 1 |
| 5 | 1 |
| 6 | 1 |
| 6 | 1.5 |
| 8 | 1 |
| 8 | 1.5 |
| 10 | 1 |
| 10 | 1.5 |
| 10 | 2 |
| 10 | 2.5 |
| 12 | 1 |
| 12 | 1.5 |
| 12 | 2 |
| 12 | 2.5 |
| 12 | 3 |
| 12.7 | 1.63 |
| 14 | 1 |
| 14 | 1.5 |
| 14 | 2 |
| 14 | 2.5 |
| 14 | 3 |
| 15 | 1 |
| 15 | 1.5 |
| 15 | 2 |
| 15 | 2.5 |
| 15 | 3 |
| 15.88 | 1.63 |
| 15.88 | 2.03 |
| 16 | 1 |
| 16 | 1.5 |
| 16 | 2 |
| 16 | 2.5 |
| 16 | 3 |
| More sizes are available, pls email me for details. |
Key words
Precision Steel Tubes
Precision Seamless Steel Tubes
High Precision Seamless Steel Tubes/Pipe
Company Details
Business Type:
Manufacturer,Distributor/Wholesaler,Importer,Exporter,Trading Company,Seller
Year Established:
1997
Total Annual:
25000000-30000000
Employee Number:
100~200
Ecer Certification：
Verified Supplier
Who We are ? -------A professional steel pipes materials inventor, manufacturer and solution providerTorich International Limited is a professional manufacturer and exporter of steel pipes materials. It is an international marketing and sales company specialized in steel tubes, which holds the ... Who We are ? -------A professional steel pipes materials inventor, manufacturer and solution providerTorich International Limited is a professional manufacturer and exporter of steel pipes materials. It is an international marketing and sales company specialized in steel tubes, which holds the ...
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