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Address: No.143 Qingyang North road,Tianning district. Changzhou
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JIS 3461 STB35 Carbon steel pipe for boilers and heat exchangers
JIS G3461 STB 35 used for exchanger heat on inside and outside of the tube, such as water tubes, smoke tubes, superheater tubes, air preheater tubes, etc. of the boiler, and heat exchanger tubes, condenser tubes, catalyzer tubes, etc. used in chemical and petroleum industries. However, it is no application to the steel tubes for heating furnace and steel heat exchanger tubes for low-temperature service. ANSON is an experienced boiler and pressure steel tube supplier which can offer you JIS G3461 steel tubes of all grade and dimension range.
The physical properties of STB35 JIS G3461 include high strength, low weight, durability, ductility and resistance to corrosion. Steel, as we all know, offers great strength though it is light in weight. In fact, the ratio of strength to weight for steel is the lowest than any other building material available to us.
JIS G3461 STB35/STB340 Chemical Composition:
JIS G3461 | Traditional symbol | C | Si | Mn | P | S |
|---|---|---|---|---|---|---|
| STB 340 | STB 35 | 0.18 max | 0.35 max | 0.30 to 0.60 | 0.035 max | 0.035 max |
| STB 410 | STB 42 | 0.32 max | 0.35 max | 0.30 to 0.80 | 0.035 max | 0.035 max |
| STB 510 | STB 52 | 0.25 max | 0.35 max | 1.00 to 1.50 | 0.035 max | 0.035 max |
JIS G3461 STB35/STB340 Mechanical Property:
JIS G3461 | Tensile strength N/mm2 | Yield point or proof stress N/mm2 | Elongation % | Hardness | ||
|---|---|---|---|---|---|---|
Outside diameter under 10 mm | Outer diameter 10 mm or over to and excl. 20 mm | Outer diameter 20mm or over | ||||
No. 11 test piece | No. 11 test piece | No. 11 test piece No. 12 test piece | ||||
STB 340 | 340 min | 175 min | 27 min | 30 min | 35 min | 77max |
STB 410 | 410 min | 255 min | 17 min | 20 min | 25 min | 79max |
STB 510 | 510 min | 295 min | 17 min | 20 min | 25 min | 92max |
JIS G3461 STB35/STB340 Equivalent steel grade:
JIS G3461 | ASTM | ASME | BS | DIN | ISO | ABS | NK | LRS | DNV |
|---|---|---|---|---|---|---|---|---|---|
| STB 340 | A178 | SA178 A | 3059-P1 320 | 17175 st 35.8 | ABS D | KSTB 33 | Sec 6 320 | Sec 4-E-TS360 | |
| STB 410 | A178 C | SA178 C | 3059-P2 440 | 17175 st 45.8 | ABS F | KSTB 42 | Sec 6 410 | Sec 4-E-TS410-1 | |
| STB 510 | 17175 19Mn 5 | Sec 4-E-TS510 |
JIS G3461 STB35/STB340 Manufacture Method:
Symbol of class | 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 | ||||
