JIS G3463 Stainless Steel Boiler and Heat Exchanger Tubes
JIS G3463 stainless steel tubes are widely used in boiler and heat exchanger applications. These tubes are designed for internal and external heat exchange systems, making them ideal for use in superheater tubes, condenser tubes, and other critical components within the chemical and petroleum industries. They are not intended for heating furnace applications.
Dimensions (mm):
- Outer Diameter: 19.05 mm – 168.3 mm
- Wall Thickness: 2.0 mm – 14 mm
- Length: Up to 19,000 mm
JIS G3463 stainless steel tubes can be manufactured using either seamless or welded methods. Common welding techniques include automatic arc welding, laser welding, and resistance welding. This versatility allows for a wide range of applications where high strength and corrosion resistance are required.
JIS G3463 Steel Tube Chemical Composition:
| Grade |
Chemical composition % |
| C |
Si |
Mn |
P |
S |
Ni |
Cr |
Mo |
| SUS 304TB |
0.08 max. |
1.00 max. |
2.00 max. |
0.040 max. |
0.030 max. |
8.00~11.00 |
18.00~20.00 |
- |
| SUS 304HTB |
0.04~0.10 |
0.75 max. |
2.00 max. |
0.040 max. |
0.030 max. |
8.00~11.00 |
18.00~20.00 |
- |
| SUS 304LTB |
0.030 max. |
1.00 max. |
2.00 max. |
0.040 max. |
0.030 max. |
9.00~13.00 |
18.00~20.00 |
- |
| SUS 309STB |
0.15 max. |
1.00 max. |
2.00 max. |
0.040 max. |
0.030 max. |
12.00~15.00 |
22.00~24.00 |
- |
| SUS 310TB |
0.08 max |
1.00 max. |
2.00 max. |
0.040 max. |
0.030 max. |
12.00~15.00 |
22.00~24.00 |
- |
| SUS 310STB |
0.15 max. |
1.50 max. |
2.00 max. |
0.040 max. |
0.030 max. |
19.00~22.00 |
24.00~26.00 |
- |
| SUS 316TB |
0.08 max. |
1.50 max. |
2.00 max. |
0.040 max. |
0.030 max. |
19.00~22.00 |
24.00~26.00 |
- |
| SUS 316HTB |
0.08 max. |
1.00 max. |
2.00 max. |
0.040 max. |
0.030 max. |
10.00~14.00 |
16.00~18.00 |
2.00~3.00 |
| SUS 316LTB |
0.04~0.10 |
0.75 max. |
2.00 max. |
0.040 max. |
0.030 max. |
11.00~14.00 |
16.00~18.00 |
2.00~3.00 |
| SUS 316TiTB |
0.030 max. |
1.00 max. |
2.00 max. |
0.040 max. |
0.030 max. |
12.00~16.00 |
16.00~18.00 |
2.00~3.00 |
JIS G3463 Steel Tube Mechanical Properties:
| Symbol of grade |
Mechanical properties: |
Tensile strength kg f/П
{N/П} |
proof stress kg f/П
{N/П} |
Elongation % |
| 20 mm min. in outside diameter |
10 mm or over to and excl. 20 mm in outside diameter |
Under 10 mm in outside diameter |
| No.11 test piece No.12 test piece |
No.11 test piece |
No.11 test piece |
| SUS304TB |
 53{520} min |
 21{206} min. |
35 min. |
30 min. |
27 min. |
| SUS304HTB |
 53{520} min |
21{206} min. |
35 min. |
30 min. |
27 min. |
| SUS304LTB |
49{481} min |
18{177} min. |
35 min. |
30 min. |
27 min. |
| SUS309TB |
 53{520} min |
21{206} min |
35 min. |
30 min. |
27 min. |
| SUS309STB |
 53{520} min |
21{206} min |
35 min. |
30 min. |
27 min. |
| SUS310TB |
 53{520} min |
21{206} min |
35 min. |
30 min. |
27 min. |
| SUS310STB |
 53{520} min |
21{206} min |
35 min. |
30 min. |
27 min. |
| SUS316TB |
 53{520} min |
21{206} min |
35 min. |
30 min. |
27 min. |
| SUS316HTB |
 53{520} min |
21{206} min |
35 min. |
30 min. |
27 min. |
| SUS316LTB |
49{481} min |
18{177} min |
35 min. |
30 min. |
27 min. |
| SUS316TiTB |
 53{520} min |
21{206} min |
35 min. |
30 min. |
27 min. |
JIS G3463 Steel Tube Equivalent Grades:
| JIS |
ASTM/ASME |
BS |
DIN |
| Â |
SA-213 T91 |
 |
17175-X10CrMoVNb91 |
| G3463 SUS304TB |
SA-213 Tp-304 |
 |
17456 X2CrNi1911 |
| G3463 SUS304HTB |
SA-213 Tp 304H |
3059 CFS304S51 |
 |
| G3463 SUS316TB |
SA-213 Tp 316 |
 |
17456 X5CrNiMo17122 |
| G3463 SUS316HTB |
SA-213 Tp 316H |
3059 CFS316S51 |
 |
| G3463 SUS321TB |
SA-213 Tp 321 |
 |
17456 X6CrNiTi1810 |
| G3463 SUS321HTB |
SA-213 Tp 321H |
3059 CFS321S51 |
 |
| G3463 SUS347TB |
SA-213 Tp 347 |
 |
17456 X5CrNiNB1810 |
| G3463 SUS347HTB |
SA-213 Tp 347H |
3059 CFS347S51 |
 |
JIS G3463 stainless steel tubes offer excellent performance in high-temperature and corrosive environments. Their mechanical properties ensure durability and reliability in critical industrial applications. Whether you're working with boilers, heat exchangers, or condensers, these tubes provide the necessary strength and corrosion resistance for long-term use. Always consult technical specifications and standards to ensure proper selection and application for your specific needs.
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