Sa-556 Grade C2 U Bend Tube / Bent For Heat Exchanger
Contact Person : Richard SHEN
Phone Number : +86-13736164628
WhatsApp : +8613736164628
Minimum Order Quantity : | 5 ton | Price : | Negotiation |
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Packaging Details : | Packing in wooden, hexagonal box or other seaworthy ways | Delivery Time : | 20 days |
Payment Terms : | L/C, D/A, D/P, T/T, Western Union, MoneyGram | Supply Ability : | 30000 Ton/Year |
Place of Origin: | Zhejiang, China | Brand Name: | TORICH |
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Certification: | ISO9001 | Model Number: | JIS G3461 |
Detail Information |
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Produce Name: | TORICH JIS G 3461 Seamless Carbon Steel U Bend Tube For Boiler / Heat Exchanger | Color: | Black |
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Material: | Carbon Steel Tube | Technique: | Cold Drawing |
Shape: | Round | OD: | 10mm-120mm |
WT: | 0.5-50mm | Length: | 1-12m |
High Light: | bending steel tubing,bending steel pipe |
Product Description
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.
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