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ASTM A213 ASME SA-213 TP347H Seamless Steel Tubes contains NB-Cr-Ni austenitic stainless steel. Because of the stable element Nb, it has good intergranular corrosion resistance, high endurance strength and oxidation resistance, as well as good technological properties such as bending and welding. Its comprehensive performance is better than ASTM A213 ASME SA-213 TP304H.
Equivalent Standards: EN 10216-5, DIN 17458, GOST 9941-81, GOST 9940-81
ASTM A213/ASME SA213
Standard Specification for Seamless Ferritic and Austenitic Alloy-Steel Boiler, Superheater, and Heat-Exchanger Tubes
Material: TP347H, S34709
Equivalent Material: 07Cr18Ni11Nb, X7CrNiNb18-10, SUS 347H TB
Chemistry Composition of ASTM A213 ASME SA-213 TP347H
| C, % | Si, % | Mn, % | P, % | S, % | Cr, % | Ni, % | Nb, % |
| 0.04-0.10 | 1.00 max | 2.00 max | 0.045 max | 0.030 max | 17.0-19.0 | 9.0-13.0 | 8*C-1.1 |
Mechanical Properties of ASTM A213 ASME SA-213 TP347H
| Tensile Strength , MPa | Yield Strength, MPa | Elongation, % | Hardness, HB |
| 515 min | 205 min | 35 min | 192 max |
ASTM A213 TP347 Stainless Steel Seamless Pipes Apllication
The grade 347 steel can be made into plates, sheets, and coils to be used in the following:
Aerospace.
Laboratory benches & equipment.
Coastal architectural panelling, railings & trim.
Boat fittings.
Chemical Processing.
Heat Exchangers.
Woven or welded screens for mining, quarrying & water filtrati
Threaded fasteners.
Springs.
on.