Boiler tubes can be made from a variety of materials. Carbon steel is one of the most common and efficient types of steel. Its high carbon content gives it excellent properties and specifications. Carbon steel is also much stronger than other types of steel. It also has good weldability and general corrosion resistance. Boiler tubes can be either water boiler tubes or fire boiler tubes. Boiler tubes are used in power plants, fossil fuel plants, and industrial processing facilities. These tubes must meet the strictest safety requirements. The quality of steel pipes is critical for the safety of your boiler. This means that you need to know the specifications of the materials used in your boiler. There are ASTM/ASME standards that specify the material and thickness of boiler tubes. In addition, there are standards for weight and allowable deviation. As a result, a quality steel boiler tube is one that meets or exceeds these standards. The specification also specifies the manufacturer’s procedures for testing and inspection.
Chromoly steels also have higher creep strength than plain carbon steels. However, they are prone to graphitization. The manufacturer must test samples of the finished product to ensure that they are consistent with the specifications. The ASME Boiler and Pressure Vessel Code provide limits on the stresses that can be tolerated in Chromoly steel tube. The tube must also meet other requirements specified in the specification. If your boiler tubes do not meet these requirements, you may not be able to use it properly.
Item | ASME/ASTM | EN/DIN | JIS |
GB |
1 | SA 192
SA 192 |
EN10216-1 P195<1.0107/1.0108>
EN10216-2 P195<1.0348> |
GB3087 10#
GB5310 12G |
|
2 | SA 178 A
SA 53 SA 179 |
EN10216-1 P235 <1.0254/1.0255>
P265 <1.0258/1.0259> EN10216-2 P235GH <1.0345> P265GH <1.0425> |
JIS G3461 STB340 | GB3087 20 |
3 | EN10216-2 P265GH | G3456 STP370
G3461 STB410 |
GB5310 20G | |
4 | SA106B
SA178C SA210A-1 |
EN10216-2 P265GH | G3456 STP410 | GB5310 20MnG |
5 | SA106C | EN10216-2 20Mn 1.0471 | G3456 TP480 | GB5310 25MnG |
SA178D
SA210C |
G3461 STB510 | 15MoG | ||
6 | SA209T1 SA335P1 | 16Mo3<1.5415>
16Mo5<1.5423> |
G3462 STBA12
STBA13 |
20MoG |
SA209T1a | G3458 STPA12 | GB5310 15CrMoG | ||
7 | SA213-T11
SA213-T12 |
EN10216-2 13CrMo4-5<1.7335> | G3458 STPA23
STPA22 |
GB5310 12Cr2MoG |
SA335-P11
SA335-P12 |
G3462 STBA23
STBA22 |
07Cr2MoW2VNbB | ||
8 | SA213-T22
SA335-P22 |
EN10216-2 10CrMo910<1.7380> | G3462 STBA24
G3458 STPA24 |
GB5310 10Cr9Mo1VNb |
9 | SA213-T23 | EN10216-2 7CrWVNb9-6 | STBA24J1 | 10Cr9MoW2VNbBN |
10 | SA213-T91 | X10CrMoVNb9-1<1.4903> | STBA28 | 11Cr9Mo1W1VNbBN |
SA335-P91 | STPA28 | GB5310 15Cr18Ni9 | ||
11 | SA213-T92
SA335-P92 |
EN10216-2 X10CrWMoVNb9-2 <1.4901> | STBA29
STPA29 |
GB5310 07Cr18Ni11Nb |
12 | SA213-T911
SA335-P911 |
EN10216-2
X11CrMoWVNb9-1-1(E911)<1.4905> |
08Cr18Ni11Nb | |
13 | SA213-TP304H | EN10216-5 X6CrNi18-10<1.4948> | G3463 SUS304HTB | |
14 | SA213-TP347H | EN10216-5
X7CrNiNb18-10<1.4912> |
G3463 SUS347HTB | 08Cr18Ni11NbFG |
SA213-TP347 | ||||
15 | SA213-TP321H | EN10216-5
X7CrNiTi18-10<1.4940> |
G3463 SUS321HTB
G3459 SUS321HTP |
07Cr25Ni21NbN |
16 | SA213-TP347HFG | DMV347HFG<1.4550> | Chinese | |
17 | SA213-TP316H | EN10216-5
X6CrNiMo17-13-2 <1.4918> X6CrNiMoTi17-12-2 <1.4571> |
G3459 SUS316HTB | GB3087 10#
GB5310 12G |
18 | SA213-TP310HCbN | DMV310N<1.9911> | SUS310J1TB | GB3087 20 |