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1.4903

 We are professional 1.4903 Forged forging Steel Round Bars Rods Square rectangular rectangle Flat Hex Bars,1.4903 Forged Forging Steel Hollow Bars Forged Forging Sleeves Bushes Bushing Pipes Piping tubes tubings barrels Casing Cases Shells cylinders hubs housings,1.4903 Forged Forging Steel Rings Seamless Rolled Steel Rings,1.4903 Forged Forging Steel Flanges Blocks Discs Disks Plates,1.4903 forged forging steel valve components,Valve Seats,valve stems,valve body bodies,valve bonnets,valve seat rings,1.4903 forgd forging steel Forged Forging Steel Eccentric Equal Lateral Tees T-piece Y-Pieces Fitting Wye Pieces Piggable Wyes and other 1.4903 forged forging forge Steel parts forged forging pieces forged forging steel components material products etc. from china

1.1903 is an high-tempertaure resisting steel. It can be used up to a maximum temperature of about 650°C.

 

It is mainly used in power plants, engineering, energy, boiler (steam boiler, boiler parts, boiler drums) and also for pressure vessels in apparatus.

chemical compostion % (EN 10028-2)

C Mn Si P S Cr Ni Mo Cu Al N Nb V

0,06-0,14

0,25-0,65

≤0,56

≤0,025

≤0,008 

7,90-9,60

≤0,35

0,81-1,09

≤0,35

≤0,045

0,025-0,075

0,050-0,110 0,15-0,28
comprehensive of acceptable deviation



 

mechanical property

state size
mm
Re
N/mm²
Rm
N/mm²
A%
long.
A%
trans.
impact test KV
long. (J) +20°C 
impact test KV
trans. (J)

+NT

150<S≤100 ≥435  520-700  -

 ≥18

 

-20°C ≥27

0°C ≥34
+20°C ≥40
Hits:  UpdateTime:2017-05-14 17:20:52  【Printing】  【Close
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