TORICH INTERNATIONAL LIMITED
| Payment Terms | L/C, T/T |
| Supply Ability | 50000tons per year |
| Delivery Time | 3-4 weeks |
| Packaging Details | In bundles with seaworthy packing |
| steel grade | 10#/20#/Q295/Q345/Q390/Q420/Q460 |
| Porudction Method | Hot - rolled / Cold - drawn / cold - rolled |
| lengths | 3000mm-12000mm |
| Process test | Flattening test /Expanding test /Bend test /Hydrostatic pressure test |
| Surface quality | No crack, folding, rolled scrimp, separation layer and scab are allowed to exist |
| Application | for Liquid Transpotation |
| Brand Name | Torich |
| Model Number | GB/T 8163 |
| Certification | ISO9001-2008 |
| Place of Origin | China |
View Detail Information
Explore similar products
S235JR U Beam Galvanized Structural Steel Pipe For Structural And Building
Cold Drawn Structural Steel Pipe GB/T 3094 Excellent OD / ID Controlled
Galvanized DIN 2440 EN10255 Threaded Welded Seamless Steel Pipe For Transportati
Smooth / Oiled Surface Round Structural Steel Tubing Length 1 - 12m Gb/t699
Product Specification
| Payment Terms | L/C, T/T | Supply Ability | 50000tons per year |
| Delivery Time | 3-4 weeks | Packaging Details | In bundles with seaworthy packing |
| steel grade | 10#/20#/Q295/Q345/Q390/Q420/Q460 | Porudction Method | Hot - rolled / Cold - drawn / cold - rolled |
| lengths | 3000mm-12000mm | Process test | Flattening test /Expanding test /Bend test /Hydrostatic pressure test |
| Surface quality | No crack, folding, rolled scrimp, separation layer and scab are allowed to exist | Application | for Liquid Transpotation |
| Brand Name | Torich | Model Number | GB/T 8163 |
| Certification | ISO9001-2008 | Place of Origin | China |
| High Light | cold formed steel tube ，structural steel square tubing | ||
GB/T8163 Seamless Steel Tube for Liquid Transpotation 20 Q345
Steel Grade:10#/20#/Q295/Q345/Q390/Q420/Q460
Application of Seamless Steel Tube: for Liquid Transpotation
Production method: Hot - rolled /Cold - drawn /cold - rolled)
Permissible Tolerance:
Permissible Tolerance of Outer Diameter and Wall Thickness (mm)
| Type of steel Tube | Dimension of steel tube | Permissible tolerance | ||
| Average class | High class | |||
| Hot-rolled (extruded and expanded) tube | Outer diameter D | All | ±1% (min.+/-0.50) | - |
| Wall thickness | All | +15%/-12.5% (min.+4.5/-4.0) | - | |
| Cold-drawn (cold-rolled) tube | Outer diameter D | 6~10 | ±0.2 | ±0.15 |
| >10~30 | ±0.40 | ±0.20 | ||
| >30~50 | ±0.45 | ±0.30 | ||
| >50 | ±1% | ±0.8% | ||
| Wall thickness | ≤1 | ±0.15 | ±0.12 | |
| >1~3 | +15% -10% | +12.5% -10% | ||
| >3 | +12.5% -10% | ±10% | ||
| Note: For hot-expanded tubes with outer diameter≧35mm,the permissible tolerance of wall thickness is±18%. | ||||
Technical Specifications :
Steel tubes are made of Grade 10, 20, Q205, Q345 steel.
Steel tubes of other grades can be produced as required by the client and through mutual discussion between the client and the supplier.
Method of manufacturing :
hot-rolled (extruded and expanded) and cold-drawn (cold-rolled)
Steel shall be made by electric furnace, Martin furnace or oxygen converter. When the client specified a certain method of manufacturing, it shall be indicated in the contract.
Steel tubes shall be manufactured by hot-rolled (extruded and expanded) and cold-drawn (cold-rolled) seamless process. When the client specified a certain method of manufacturing, it shall be indicated in the contract.
Delivery status:
Hot-rolled (extruded and expanded) steel tubes are delivered in hot-rolled or heat-treated status while cold-drawn (rolled) steel tubes are delivered in heat-treated status.
Mechanical properties:
Longitudinal Mechanical Properties of Steel Tubes
| NO. | Steel Grade | Tensile Strength(Mpa) | Yield point(Mpa) | Elongation after breaking(%) | |
| s<=16 | s>16 | ||||
| Not less than | |||||
| 1 | 10 | 335~475 | 205 | 195 | 24 |
| 2 | 20 | 410~550 | 245 | 235 | 20 |
| 3 | Q295 | 430~610 | 295 | 285 | 22 |
| 4 | Q345 | 490~665 | 325 | 315 | 21 |
Process Test:
Flattening test
Expanding test
Bend test
Hydrostatic pressure test
Surface quality:
No crack, folding, rolled scrimp, separation layer and scab are allowed to exist. These defects shall be completely removed and the removal depth shall not exceed the negative tolerance of the nominal wall thickness.
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 ...
Get in touch with us
Leave a Message, we will call you back quickly!