Tube Origin – Japan, Europe & India
Water Wall Tube
SA 210 Grade A1 – Suitable for transport water with high temperature and heat transfer.
Economizer Tube
SA 210 Grade A1 – Suitable for transport more heat water.
Super Heater Tube
SA213 T11 & SA213 T22 – Suitable for transport high temp. steam and more heat transfer.
Air Preheater Tube
Carbon Steel & Corten Steel SA423 Gr.1 – Suitable for heat transfer to fresh air and prevent erosion.
Carbon Steel
Alloy Steel
Corten Steel
BS Alloy
Stainless Steel
Carbon Steel
| Code | Tensile (MPA) | Yield (MPA) | Elongation (%) | Hardness (HB) | Note | Standard Compare |
| ASME SA 210 | 415 | 255 | 30 | 143 | Wall tube, Economizer tube better than SA 192 | – |
| ASME SA 192 | 340 | 180 | 35 | 139 | Wall tube, Economizer tube | STB 340 |
| DIN 17175 BS 6323 | 490 | 415 | 15 | 143 | APH tube | ASTM A513 STKM Gr.3445 DIN 2393 EN 10305-1 |
| API A106 | 414 | 241 | 20 | – | Use in Petroleum will be good, not recommend for boiler | Grade B |
| API A53 | 331 | 207 | 16.5 | – | Use in Petroleum will be good, not recommend for boiler | Grade B |
| BS 3059 STK 400 | 400 | 235 | 24 | – | Use in Petroleum will be good, not recommend for boiler | JIS G3444 ASTM A252 EN10219 BS 1139 |
Alloy Steel
| Code | Tensile MPA) | Yield (MPA) | Elongation (%) | Hardness (HB) | Note | Standard Compare |
| ASME SA213 T11 | 415 | 205 | 30 | 179 | Superheater Tube | IJS STBA 23BS 3606 621 |
| ASME SA213 T22 | 415 | 220 | 30 | 163 | Superheater Tube | IJS STBA 24DIN1717510CrMo910 |
Corten Steel
| Code | Tensile (MPA) | Yield (MPA) | Elongation (%) | Hardness (HB) | Note | Standard Compare |
| ASME SA423 Gr1 | ≥470 | 355 | 20 | – | APH tube (With receive difference temp) | JIS STBL 690 DIN17174 10Ni14 |
BS Alloy
| Code | Tensile (MPA) | Yield (MPA) | Elongation (%) | Hardness (HB) | Note | Standard Compare |
| BS 80 | 830 | 750 | 26 | 255 | Recommend in Fan material(ID Fan) | 431S29AMS 5628 |
Stainless Steel
| Code | Tensile (MPA) | Yield (MPA) | Elongation (%) | Hardness (HB) | Note | Standard Compare |
| SS304 | 515 | 205 | 40 | – | Should not use with Boiler cause this material keep temp. in their body(not transfer) | ASTM A312 TP304 DIN X5CrNi89 |
