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2019-11-24 10:19:20
Steel Grade|AISI: 661
Steel Grade|UNS: R30155
Type:
   
CHEMICAL COMPOSITION
C(%): 0.12
Si(%): 0.7
Mn(%): 1.5
Cr(%): 20.75
Ni(%): 19.85
Mo(%): 2.95
Co(%): 19.5
W(%): 2.35
Fe(%): Balance
Other(%): Nb/Ta1.15,N0.13
Similar Grade: N-155
   
Remark:  
①: Martensitic low alloy steel.
②: Martensitic secondary hardening steel.
③: Martensitic high chrome steel.
④: Austenitic precipitation hardening steel.
⑤: Austenitic Cold working with high strength steel.
⑥: Ironbase superalloy steel.
⑦: Cobalt-base superalloy steel.
⑧: Nickel-base superalloy steel.
⑨: It can be determined by manufacturer.
   


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