AISI 5140 Steel
AISI 5140 steel manufacturers and suppliers, supplied in round rods,square/flat bars,rollers,shafts,blocks and forging pieces.
5140 steel is a structural alloyed carbon steel accding to AISI/ASTM standard.It is widely used in Low and moderately stressed parts for vehicles, engines and machines where hard, wear resisting surface is needed. The hardness as surface hardened is about 54 HRC.
Carbon:0.38/0.43; Silicon:0.15/0.35; Manganese:0.70/0.90;
Chromium:0.70/0.90; Molybdenum: max 0.06;
3.Form & Size
-AISI 5140 Steel as Forged
1)Fuhongsteel are manufacturers and suppliers of AISI 5140 forged steel round bars,square bar,flat bar,shaft,and blocks.
2)SAE 5140 steel size available:
(Forged flat bars,Blocks,Rollers,Shafts,and forging pieces can be customized)
-SAE 5140 Steel Round Bars as Rolled
1)Fuhongsteel is a quality steel supplier of 5140 rolled steel round bars.
2)AISI 5140 alloy steel size available:
Length: 3,000-10,000mm(can be customized)
4.Tolerances on Dimension & Straightness
3)Deviation from straightness:with 360° rotary device 3mm/meter(max);
3)Non metallic inclusions
4)Grain size:more than 5,preferred to 8;
5)Ultra sonic testing 360° complete round testing: Ultra sonic according to Sep1921-84
1)Preheat 5140 alloy steel uniformly and slowly;
2)Increase the forging temperature up to 1180°C.
3)Always keep the forging temperature of AISI 5140 above 850°C
1)Heating AISI 5140 forged steel slowly to the temperature 870°C;
2)SAE 5140 alloy steel should be quenched in the oil;
3)Heat the steel to the temperature around 550°C;
4)Soak at this temperature for 2 hours per 25mm of total thickness;
5)5140 steel can be cooled in air or inside the furnace;
6)Quenched and tempered and after stress relieved.
After QT,a straightening process is necessary then the products should be tempered and distorsion-poor annealed.
1)Heat AISI 5140 steel slowly and thoroughly to 780°C;
2)Cool slowly in the furnace to the temperature about 480°C;
3)Complete annealing the 5140 steel in the air.
1)Increase the temperature of 5140 steel to 860-880°C;
2)Cool AISI 5140 down to room temperature(20°C) in the air.
Enquiry for AISI 5140 steel round rods, flat/square bars,shafts,rollers and blocks.