What is 347H material?
Recently, we have received a customer’s inquiry about 347h stainless steel. Now I’ll take you to know about this material.
347h austenitic stainless hot strength steel, UNS No. s34709, has good corrosion resistance, weldability and hot strength.
It is widely used in large boiler superheater, reheater, steam pipeline and heat exchanger pipe fittings in petrochemical industry.
TP341H Steel Pipes
Chemical composition:
| Carbon C | Mn | Silicon Si | Cr | Nickel | Phosphorus P | Sulfur s | Niobium NB |
| 0.04 ~ 0.10 | ≤ 2.00 | ≤ 0.75 | 17.0 ~ 19.0 | 9.0 ~ 13.0 | ≤ 0.045 | ≤ 0.03 | 8C ~ 1.00 |
Basic features：
(1) It has high high temperature strength and high temperature plasticity
(2) It has excellent oxidation resistance and corrosion resistance
(3) It has good tissue stability
(4) Uniform chemical composition
(5) It has good machinability and weldability
(6) High dimensional accuracy and surface quality
Haihao Group manufacture stainless steel products for about 40 years,the products sells well all over the world for the high quality.If you have any question,please contact us!
