TORICH INTERNATIONAL LIMITED
| Supply Ability | 5,000tons per year |
| Delivery Time | 5-8 weeks after received your payment |
| Packaging Details | Packed in wooden box or upon request |
| Product Name | JIS G 3461 Seamless carbon Steel bending tubes for boiler and heat exchanger |
| Standard | JIS G3461 |
| Shape | Round |
| Dimension | OD 5-420mm*0.5-50mm*12m max |
| Application | For boiler and heat exchanger |
| Grade | STB340, STB410, STB510 |
| Manufacture method | Seamless |
| Relevant standard | KS D 3563 ASTM A 161 A178 A192 A226 A556 DIN 17175 BS 3059 |
| Brand Name | TORICH |
| Model Number | JIS G3461 |
| Certification | ISO 9001 ISO14001 TS 16949 DNV SON |
| Place of Origin | China |
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Product Specification
| Supply Ability | 5,000tons per year | Delivery Time | 5-8 weeks after received your payment |
| Packaging Details | Packed in wooden box or upon request | Product Name | JIS G 3461 Seamless carbon Steel bending tubes for boiler and heat exchanger |
| Standard | JIS G3461 | Shape | Round |
| Dimension | OD 5-420mm*0.5-50mm*12m max | Application | For boiler and heat exchanger |
| Grade | STB340, STB410, STB510 | Manufacture method | Seamless |
| Relevant standard | KS D 3563 ASTM A 161 A178 A192 A226 A556 DIN 17175 BS 3059 | Brand Name | TORICH |
| Model Number | JIS G3461 | Certification | ISO 9001 ISO14001 TS 16949 DNV SON |
| Place of Origin | China | ||
| High Light | bending steel tubing ，bending steel pipe | ||
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: | |||||
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.
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 provider Torich 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 hol... Who We are ？ -------A professional steel pipes materials inventor, manufacturer and solution provider Torich 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 hol...
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