| 1.4845 | X8CrNi25-21 | 
| X8CrNi25-21 | USA | Germany | Japan | France | England | EU | Italy | China | Sweden | Czechia | Russia | 
| – | DIN,WNr | JIS | AFNOR | BS | EN | UNI | GB | SS | CSN | GOST | |
| 310S | X8CrNi25-21 | SUS310S | Z8CN25-20 | 310S16 | X8CrNi25-21 | X6CrNi25-20 | 1Cr25Ni20Si2 | 2361 | 17255 | 10KH23N18 | |
| S31008 | 310S24 | 20KH23N18 | |||||||||
| 310S31 | 
 
It is a Heat Resisting Steels and Nickel Alloys by Very ductile and easily welded properties.
 
Composition:
| C | Si | Mn | Ni | P | S | Cr | N | 
| max 0.1 | max 1.5 | max 2 | 19 – 22 | max 0.045 | max 0.015 | 24 – 26 | max 0.11 | 
 
Hot working:
Forging temperature range: 1230-850℃
Note: Heat to 1230 ℃. Do not forge below 850.
 
Heat treatment:
| Normalizing | Annealing | |
| Don’t normalize | 1040-1050 | 
 
Main application:
High temperature & strength for pipe-lines, steam boilers and turbines
 
Shape of product:
Round, flat, step shape, ring, disc, shaft, other shape depend on customer needs

								
								
								