TORICH INTERNATIONAL LIMITED
| Payment Terms | L/C, D/A, D/P, T/T, Western Union, |
| Supply Ability | 100000 Ton per year |
| Delivery Time | 5-8 weeks |
| Packaging Details | Bundle packing by Iron Strips. |
| Model No | GB/T 13793 |
| Type | Welded |
| Section Shape | Round |
| Surface Treatment | Oiled |
| Technique | Cold Drawn |
| Material | Carbon Steel, Carbon Steel |
| W.T | 0.5~5.5mm |
| O.D | 5~711mm |
| L | :4~12m |
| Brand Name | TORICH |
| Model Number | GB/T 13793 |
| Certification | API |
| Place of Origin | Zhejiang China |
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Product Specification
| Payment Terms | L/C, D/A, D/P, T/T, Western Union, | Supply Ability | 100000 Ton per year |
| Delivery Time | 5-8 weeks | Packaging Details | Bundle packing by Iron Strips. |
| Model No | GB/T 13793 | Type | Welded |
| Section Shape | Round | Surface Treatment | Oiled |
| Technique | Cold Drawn | Material | Carbon Steel, Carbon Steel |
| W.T | 0.5~5.5mm | O.D | 5~711mm |
| L | :4~12m | Brand Name | TORICH |
| Model Number | GB/T 13793 | Certification | API |
| Place of Origin | Zhejiang China | ||
| High Light | welded steel pipe ，welding steel tubing | ||
Application:Suitable for mechanical, construction and other structural purposes, and the straight seam welded steel pipe
with an outer diameter of not more than 711mm, can also be applied to general welded steel pipe for fluid transportation
size: L--4~12m OD--5~711mm WT--0.5~5.5mm
Grade:10,20,Q195,Q215,Q213,Q275
Manufacture method:The steel pipe shall be made of hot rolled steel strip or cold rolled steel strip by high frequency resistance welding method
Delivery State:Steel tube should be welding or heat treatment state delivery
Surface Quality:The internal and external surfaces of the steel tube are not allowed to have cracks, scabs, folds, delaminations, laps, and burns.
Allows for scribes, scratches, misalignment of welds, burns, oxide scales, and external burr removal traces that are not more than a negative wall thickness deviation
Tolerance of Outer Diameter Unit:mm
| Outer Diameter(D) | General Precesion(PD.A)a | Higher Precision(PD.B) | High Precision(PD.C) |
| 5-20 | ±0.30 | ±0.15 | ±0.05 |
| ﹥20-35 | ±0.40 | ±0.20 | ±0.10 |
| ＞35-50 | ±0.50 | ±0.25 | ±0.15 |
| ＞50-80 | ±1%D | ±0.35 | ±0.25 |
| ＞80-114.3 | ±0.60 | ±0.40 | |
| ＞114.3-168.3 | ±0.70 | ±0.50 | |
| ＞168.3-219.1 | ±0.80 | ±0.60 | |
| ＞219.1-711 | ±0.75%D | ±0.5%D | |
| a Not apply for steel pipe for roller of belt conveyor | |||
Tolerance of Wall Thickness Unit:mm
| Wall Thickness(t) | General Precesion(PD.A)a | Higher Precision(PD.B) | High Precision(PD.C) | Non-uniform Wall Thicknessb |
| 0.50-0.70 | ±0.10 | ±0.04 | ±0.03 | ≤7.5%t |
| ＞0.70-1.0 | ±0.05 | ±0.04 | ||
| ＞1.0-1.5 | ±0.06 | ±0.05 | ||
| ＞1.5-2.5 | ±10%t | ±0.12 | ±0.06 | |
| ＞2.5-3.5 | ±0.16 | ±0.10 | ||
| ＞3.5-4.5 | ±0.22 | ±0.18 | ||
| ＞4.5-5.5 | ±0.26 | ±0.21 | ||
| ＞5.5 | ±7.5%t | ±5.0%t | ||
a Not apply for steel pipe for roller of belt conveyor | ||||
Weight coefficient of galvanized steel pipe
| Wall thickness t/mm | 1.2 | 1.4 | 1.5 | 1.6 | 1.8 | 2.0 | 2.2 | 2.5 | 2.8 | 3.0 | 3.2 | 3.5 | |
| Coefficient c | A | 1.106 | 1.091 | 1.085 | 1.080 | 1.071 | 1.064 | 1.058 | 1.051 | 1.045 | 1.042 | 1.040 | 1.036 |
| Coefficient c | B | 1.085 | 1.073 | 1.068 | 1.064 | 1.057 | 1.051 | 1.046 | 1.041 | 1.036 | 1.034 | 1.032 | 1.029 |
| Coefficient c | C | 1.064 | 1.055 | 1.051 | 1.048 | 1.042 | 1.038 | 1.035 | 1.031 | 1.027 | 1.025 | 1.022 | 1.020 |
| Wall thickness t/mm | 3.8 | 4.0 | 4.2 | 4.5 | 4.8 | 5.0 | 5.4 | 5.6 | 6.0 | 6.5 | 7.0 | 8.0 | |
| Coefficient c | A | 1.034 | 1.032 | 1.030 | 1.028 | 1.027 | 1.025 | 1.024 | 1.023 | 1.021 | 1.020 | 1.018 | 1.016 |
| Coefficient c | B | 1.027 | 1.025 | 1.024 | 1.023 | 1.021 | 1.020 | 1.019 | 1.018 | 1.017 | 1.016 | 1.015 | 1.013 |
| Coefficient c | C | 1.020 | 1.019 | 1.018 | 1.017 | 1.016 | 1.015 | 1.014 | 1.014 | 1.013 | 1.012 | 1.011 | 1.010 |
| Wall thickness t/mm | 9.0 | 10.0 | 11.0 | 12.0 | 12.7 | 13.0 | 14.2 | 16.0 | 17.5 | 20.0 | |||
| Coefficient c | A | 1.014 | 1.013 | 1.012 | 1.011 | 1.010 | 1.010 | 1.009 | 1.008 | 1.007 | 1.006 | ||
| Coefficient c | B | 1.011 | 1.010 | 1.009 | 1.008 | 1.008 | 1.008 | 1.007 | 1.006 | 1.006 | 1.005 | ||
| Coefficient c | C | 1.008 | 1.008 | 1.007 | 1.006 | 1.006 | 1.006 | 1.005 | 1.005 | 1.004 | 1.004 |
| |
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
Company Overview A Professional Steel Tube Manufacturer and Solution Provider TORICH INTERNATIONAL LIMITED integrates steel tube manufacturing, international trade, warehousing, technical support and customized processing. Our manufacturing operations cover cold drawing, cold rolling, heat treat... Company Overview A Professional Steel Tube Manufacturer and Solution Provider TORICH INTERNATIONAL LIMITED integrates steel tube manufacturing, international trade, warehousing, technical support and customized processing. Our manufacturing operations cover cold drawing, cold rolling, heat treat...
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