TORICH INTERNATIONAL LIMITED
| Payment Terms | D/A, D/P, L/C, T/T, Western Union, MoneyGram |
| Supply Ability | 25000 Ton/Tons per Year |
| Delivery Time | 5-6 weeks |
| Packaging Details | packing in hexagonal bundles or wooden boxes |
| Name | TORICH Cold Formed Welded Special Steel Pipe Seamless Carbon Structural Steel Square Tubing |
| Standard | ASTM A500 |
| Surface | Galvanized |
| Usage | for construction of bridges, and buildings, and for general strcutrual purpose |
| Technique | ERW,SAWL,SAWH |
| OD | 3-420mm |
| WT | 0.5-50mm |
| Length | 3-12m |
| Brand Name | Torich |
| Model Number | ASTM A500 |
| Certification | ISO9001:2008 ISO14001:2008 |
| Place of Origin | Zhejiang, China (Mainland) |
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Product Specification
| Payment Terms | D/A, D/P, L/C, T/T, Western Union, MoneyGram | Supply Ability | 25000 Ton/Tons per Year |
| Delivery Time | 5-6 weeks | Packaging Details | packing in hexagonal bundles or wooden boxes |
| Name | TORICH Cold Formed Welded Special Steel Pipe Seamless Carbon Structural Steel Square Tubing | Standard | ASTM A500 |
| Surface | Galvanized | Usage | for construction of bridges, and buildings, and for general strcutrual purpose |
| Technique | ERW,SAWL,SAWH | OD | 3-420mm |
| WT | 0.5-50mm | Length | 3-12m |
| Brand Name | Torich | Model Number | ASTM A500 |
| Certification | ISO9001:2008 ISO14001:2008 | Place of Origin | Zhejiang, China (Mainland) |
| High Light | welding steel tubing ，electric resistance welded steel tube | ||
Cold-Formed Welded and Seamless Carbon Structural Tubing in Rounds and Shapes
Size range:
Square tubes O.D. :20-20 to 500-500 W.T.:1-24mm L:max12000mm
Rectangle tubes O.D. :20-30 to 400-600 W.T.:1-24mm L:max12000mm
| Chemical Reuirement | ||||
| Element | GradeA, b and D | Grade C | ||
| Heat Analysis | Product Analysis | Heat Analysis | Product Analysis | |
| Carbon, max | 0.26 | 0.3 | 0.23 | 0.27 |
| Manganese,max | 1.35 | 1.40 | 1.35 | 1.4 |
| Phosphorus,max | 0.035 | 0.045 | 0.035 | 0.045 |
| Sulfur,max | 0.035 | 0.045 | 0.035 | 0.045 |
| Copper,min | 0.2 | 0.18 | 0.2 | 0.18 |
| Tensil requirements | ||||
| Round Structural Tubing | ||||
| GradeA | Grade B | Grade C | Grade D | |
| Tensil strengths,min,psi(Mpa) | 45 (310) | 58(400) | 62(425) | 58(400) |
| Yield strength,min,psi(Mpa) | 33(230) | 42(290) | 46(315) | 36(250) |
| Elongation in 2 in.(50mm) min,% | 25 | 23 | 21 | 23 |
| Shaped Structural Tubing | ||||
| GradeA | Grade B | Grade C | Grade D | |
| Tensil strengths,min,psi(Mpa) | 45 (310) | 58(400) | 62(425) | 58 |
| Yield strength,min,psi(Mpa) | 39(270) | 46(315) | 50(315) | 36(250) |
| Elongation in 2 in.(50mm) min,% | 25 | 23 | 21 | 23 |
Applications: for construction of bridges, and buildings, and for general strcutrual purposes
1~ Incoming Raw Material Inspection
2~ Raw Material Segregation to avoid steel grade mix-up
3~ Heating and Hammering End for Cold Drawing
4~ Cold Drawing and Cold Rolling, on line inspection
5~ Heat Treatment, +A, +SRA, +LC, +N, Q+T
6~ Straightening-Cutting to specified length-Finished Measuring Inspection
7~ Machanical Testing in own labs with Tensile Strength, Yield Strength, Elongation, Hardness, Impact, Mictrostruture etc
8~ Packing and Stocking.
100% of our steel tubes are dimensionally checked
100% of our steel tubes are visually checked to assure they have a perfect surface condition and no surface defects.
100% eddy current test and ultrosonic test to eliminate longitudinal and transversal defects.
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
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