Torich International Limited
| Packaging Details | IN BUNDLES |
| Delivery Time | 30-60DAYS |
| Payment Terms | T/T L/C |
| Supply Ability | 50000 TONS PER YEAR |
View Detail Information
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Product Specification
| Packaging Details | IN BUNDLES | Delivery Time | 30-60DAYS |
| Payment Terms | T/T L/C | Supply Ability | 50000 TONS PER YEAR |
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,Importer,Exporter,Trading Company,Seller
Year Established:
2008
Total Annual:
15000000-20000000
Employee Number:
100~200
Ecer Certification：
Site Member
Torich Interational 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 factories of Seamless Steel Tubes with Carbon and Alloy Steel Grade, Welded Precision Steel Tubes，DO... Torich Interational 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 factories of Seamless Steel Tubes with Carbon and Alloy Steel Grade, Welded Precision Steel Tubes，DO...
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