Category
Products
  • Name: 347H stainless steel rod
  • Code: 092
  • Time: 2011-05-19
  • Views : 999999999
  • Sold amount: 0Piece

347H stainless steel

 

347H stainless steel
 

Name: austenitic stainless steel
 

Standard: AISI, ASTM
 

Model: 347H
 

UNS Number: S34709
 

● 347H Features and Application:
 

347H austenitic stainless steel heat resistant steel with good corrosion resistance, weldability and heat strong performance. 347H stainless steel used in large boiler superheater reheater ﹑ ﹑ steam pipes, petrochemical heat exchanger tube.
 

● 347H chemical composition ①:
 

Carbon C: 0.04 ~ 0.10
 

Manganese Mn: ≤ 2.00
 

Si Si: ≤ 0.75
 

Chromium Cr: 17.0 ~ 19.0
 

Ni-Ni ②: 9.0 ~ 13.0
 

P P: ≤ 0.045
 

S S: ≤ 0.03
 

Niobium Nb: (8C ~ 1.00)
 

Note: ① a single value, unless otherwise stated herein, are the highest value; ② process for certain pipe, some models of nickel content of austenitic stainless steel to be slightly higher than the values ​​shown in the table; ③ free; ④ Ta containing the highest amount of 0.10%; ⑤ the highest content of 0.75%; ⑥ highest content was 0.70%