Stainless Seamless Steels Tubes and Pipes for Boilers SUPER 304H UNS S30432
18Cr-9Ni-3Cu-Nb-N, austensitic stainless steel, creep resistant, heat resistant,
high performance stainless steel SUPER 304H,
UNS S30432, ASTM A213 S30432, ASME SA-213 CODE CASE 2328-1, 2328-2,
EN 1.4907, DIN X10CrNiCuNb18-9-3
Japan thermal power standard, JIS, KA-SUS304J1HTB
ASME SA213/SA213M-2023, specification for seamless ferritic and austensitic alloy steel
boiler, superheater, and heat exchanger tubes.
UNS S30432, CODE CASE 2328, austensitic stainless steel seamless tubes
| C | Si | Mn | P | S | Cr | Ni | Nb | N | Cu | Al | B |
| 0.07-0.13 | 0.30 | 1.00 | 0.040 | 0.010 | 17.00-19.00 | 7.5-10.5 | 0.3-0.6 | 0.05-0.12 | 2.5-3.5 | 0.003-0.030 | 0.001-0.010 |
Super 304H, UNS S30432, high strength, high steam oxidation resistance, austensitic stainless steel pipes
- high strength among 18Cr-8Ni austensitic stainless steels utilizing Cu-rich phase
- fine grained microstructure by thermo mechanical process, which contributes to superior steam oxidation
- resistance to conventional coarse grainzed TP347H stainless steel pipes, tubes.
- Superior welding ability to TP347H stainless due to smaller amount of Nb
- Good phase stability proven by long term creep rapture tests and actual operation in boilers
Seamless steel tubes and pipes
| Wall thickness | Outer diameter |
| 2-22mm | 16-159mm |
Material certified with ASME SA213/SA213M-2023, PED 4.3
We supply stainless steel tubes and pipes to suit the usage conditions of power generation boiler consists
of an economizer, a furnace, a superheater tube, a reheater tube, a main steam pipe, a reheat pipe,
a water feed pope, and a feed water heater tube.
Stainless steel grades covered:
TP304, TP304L, TP304H, S30432, TP310S, TP310H, TP310HCbN, TP316, TP316L,
TP316H, TP321. TP347, TP347H, TP347HFG
followed by ASTM A213/A213M-2022, ASME SA213/SA213M-2023
For Details, please Contact
WUXI GUANGLU Special Steel Co., Ltd.
Tel: +86 510 81812873
Email: export@guanglusteel.com
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