TORICH INTERNATIONAL LIMITED
| Payment Terms | L/C, D/A, D/P, T/T, Western Union, MoneyGram |
| 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, MoneyGram | 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
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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