TORICH INTERNATIONAL LIMITED
| Payment Terms | L/C, D/A, D/P, T/T, Western Union, |
| Supply Ability | 30000 Ton/Year |
| Delivery Time | 20 days |
| Packaging Details | Packing in wooden, hexagonal box or other seaworthy ways |
| Produce name | TORICH JIS G 3461 Seamless Carbon Steel U Bend Tube For Boiler / Heat Exchanger |
| Color | Black |
| Material | Carbon Steel Tube |
| Technique | Cold Drawing |
| Shape | Round |
| OD | 10mm-120mm |
| WT | 0.5-50mm |
| length | 1-12m |
| Brand Name | TORICH |
| Model Number | JIS G3461 |
| Certification | ISO9001 |
| 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 | 30000 Ton/Year |
| Delivery Time | 20 days | Packaging Details | Packing in wooden, hexagonal box or other seaworthy ways |
| Produce name | TORICH JIS G 3461 Seamless Carbon Steel U Bend Tube For Boiler / Heat Exchanger | Color | Black |
| Material | Carbon Steel Tube | Technique | Cold Drawing |
| Shape | Round | OD | 10mm-120mm |
| WT | 0.5-50mm | length | 1-12m |
| Brand Name | TORICH | Model Number | JIS G3461 |
| Certification | ISO9001 | Place of Origin | Zhejiang, China |
| High Light | bending steel tubing ，bending steel pipe | ||
JIS G 3461 Seamless Carbon Bending Steel Tubing For Boiler / Heat Exchanger
JIS G 3461 Seamless carbon Steel tubes for boiler and heat exchanger
Size range:OD 5-420mm*WT0.5-50mm
Length: 12000m below, or upon customer's requests.
Application:for boiler and heat exchanger
| CHEMICAL COMPOSITION % max | |||||
| Steel grade | C | Si | Mn | P | S |
| STB 340 | 0.18 | 0.35 | 0.30-0.60 | 0.35 | 0.35 |
| STB 410 | 0.32 | 0.35 | 0.30-0.80 | 0.35 | 0.35 |
| STB 510 | 0.25 | 0.35 | 1.00-1.50 | 0.35 | 0.35 |
| Remark: 1. When the purchaser requires product analysis,the permissible deviation for the values given above shall be as specified in the Table in JIS G 032 for the seamless steel tube and likewise in Table 1 (as JIS G 3461)for the electric resistance welded steel tube. 2.Where required by the purchaser,Si may be designated as 0.1-0.35% | |||||
| MECHANICAL PROPERTIES min | |||
| Steel grade | Tensile strength Mpa | Yeild point or proof stress Mpa | Elongation % |
| STB 340 | 340 | 175 | 35 |
| STB 410 | 410 | 255 | 25 |
| STB 510 | 510 | 295 | 25 |
| Hardness | |
| Steel grade | Rockwell hardness HRB(Mean value of three points) |
| STB 340 | 77max |
| STB 410 | 79max |
| STB 510 | 92max |
| Heat Treatment (Applicable till the end of 1990) | |||||
| Steel Grade | Heat Treatment | ||||
| Hot finished seamless steel tube | Cold finished seamless steel tube | Electric resistance welded steel tube other than hot finished or cold finished steel tube | Finished electric resistance welded steel tube | Fold finished electric resistance welded steel tube | |
| STB 340 | As manufactured, as required, low temperature annealing or normalizing may be performed | low temperature annealing, normalizing or full annealing | normalizing | As manufactured, However, as required ,low temperature annealing or normalizing may be performed | normalizing |
| STB 410 | As manufactured, However, as required, low temperature annealing or normalizing may be performed | low temperature annealing, normalizing or full annealing | normalizing | low temperature annealing | |
| STB 510 | normalizing | ||||
Please specify the delivery condition and heat treatment requirement when sending the enquiry.
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
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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