TORICH INTERNATIONAL LIMITED
TORICH INTERNATIONAL LIMITED The Steel Tube Maker
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BS 3059 Gr 360 Carbon Steel Heat Exchanger Tubes for Steel Boiler and Superheater Tubes
Product Name:BS 3059 Steel boiler and superheater tubes
Carbon ,alloy and austenitic stainless steel tubes with specified elevated temperature properties
Size
Diameter 5-420mm
Wall thickness 0.5-50mm
Length Upon request
Application : for boiler and superheater
Produce method: seamless ,welded
Delivery condition: hot finished, cold finished
| CHEMICAL COMPOSITION % max | |||||||||
| Steel Grade | C | Si | Mn | P | S | Cr | Mo | Ni | others |
| 360 | 0.17 | 0.10-0.35 | 0.40-0.80 | 0.035 | 0.035 | - | - | - | - |
| 440 | 0.12-0.18 | 0.10-0.35 | 0.90-1.20 | 0.035 | 0.035 | - | - | - | - |
| 243 | 0.12-0.20 | 0.10-0.35 | 0.40-0.80 | 0.035 | 0.035 | - | 0.25-0.35 | - | Al 0.012 |
| 620-460 | 0.10-0.15 | 0.10-0.35 | 0.4-0.7 | 0.03 | 0.03 | 0.7-1.10 | 0.45-0.65 | - | Al 0.020 |
| 622-490 | 0.08-0.15 | 0.5 | 0.4-0.7 | 0.03 | 0.03 | 2.00-2.50 | 0.90-1.20 | - | Al 0.020 |
| 629-470 | 0.15 | 0.25-1.00 | 0.30-0.60 | 0.03 | 0.03 | 8.00-10.00 | 0.90-1.10 | - | Al 0.020 |
| 629-590 | |||||||||
| 762 | 0.17-0.23 | 0.50 | 1.00 | 0.03 | 0.03 | 10.00-12.50 | 0.80-1.20 | 0.30-0.80 | vanadium 0.25-0.35 |
| Note:243,620-460,622-490,629-470,629-590 the following remained elements shall not exceed Ni,0.30%;Cu ,0.25%;Sn,0.03% | |||||||||
| MECHANICAL PROPERTIES min | |||
| Steel Grade | Tensile Strength Mpa | Yeild point or proof stress Mpa | Elongation % |
| 360 | 360-500 | 235 | 24 |
| 440 | 440-580 | 245 | 21 |
| 243 | 480-630 | 275 | 22 |
| 620-460 | 460-610 | 180 | 22 |
| 622-490 | 490-640 | 275 | 20 |
| 629-470 | 470-620 | 185 | 20 |
| 629-590 | 590-740 | 400 | 18 |
| 762 | 720-870 | 470 | 15 |
| Delivery condition | steel grade | Final supply condition | Temperature of heat treatment |
| 360,440(seamless hot finished) | hot finished | - | |
| 360,440(seamless cold finished) | normalized | 880-940 | |
| 243(all manufacturing condition) | normalized | 900-960 | |
| 622-490(seamless) | normalized+tempered | normalized900-960 | |
| 629-470(seamless) | annealed | 850-950 | |
| 629-590(seamless) | normalized+tempered | normalized900-1000 | |
| 762(seamless) | normalized+tempered | normalized1020-1070 |
Container loading and Shipment:
