AISI 4140H

We could produce AISI 4140H forging parts,AISI 4140H forged rings, AISI 4140H Rolled Rings,AISI 4140H forging flanges, AISI 4140H forging round bars, AISI 4140H forged disks, AISI 4140H forging gears, AISI 4140H forging shafts,AISI 4140H forging pipes as per the requirement of the clients
AISI 4140H is an H-steel grade alloy steel, commonly called AISI 4140H chromium-molybdenum steel
We could delivery AISI 4140H forging material as per the standard of EN 10277-5
We use EAF + LF + VD melting methods to melt the material of AISI 4140H
As per heat treatment of AISI 4140H forged parts, We could do anealed, normalized, hardening and tempering as per the needs of the clients.
The chemical composition of AISI 4140H is as follows:

Element	Content (%)
Iron, Fe	96.585 - 97.93
Chromium, Cr	0.75 - 1.2
Manganese, Mn	0.65 - 1.1
Carbon, C	0.37 - 0.44
Molybdenum, Mo	0.15 - 0.3
Silicon, Si	0.15 - 0.3
Sulfur, S	≤0.040
Phosphorous, P	≤0.035

The mechanical property of AISI 4140H is as follows:

Properties	Metric	Imperial
Tensile strength	1150 MPa	167000 psi
Yield strength	1050 MPa	152000 psi
Elongation at break	17.50%	17.50%
Reduction of area	55%	55%
Hardness, Brinell	341	341

 
Due to special mechanical properties of AISI 4140H forging parts, there are many wide uses as followings:
AISI 4140H seamless rolled rings and  AISI 4140H forging shafts that is used in chemical pump,plunger pumps.
AISI 4140H forged shafts,AISI 4140H forging pipes, AISI 4140H forging tubes ,forged tube sheets, forged flanges that are used in pressure vessel ,air receivers,Shell & Tube Heat Exchangers
AISI 4140H forging shafts,AISI 4140H forging flanges ,AISI 4140H forged rings,AISI 4140H forging pipes that is used inColumns & Towers,Tanks ,Silos,Process Modules,Preheaters
AISI 4140H forged bushing,AISI 4140H forged sleeves,AISI 4140H forged disks,AISI 4140H forged discs that is used in Offshore and onshore industry, such as subsea and deepwater offshore oil production systems, industrial air compressors, power generators and nitrogen generators
AISI 4140H open die forging parts,forging pieces,forging nozzles forged crankshaft that is used in Cement Mill ,sugar Mill,concrete mills and mixers.
AISI 4140H forged valve stem, forged valve parts, forged valve seat ring,forged valve blocks,forged bodies that are used in ball valves, check valves, strainers ,globe valve, gate valve,Plug valve and so on
AISI 4140H forging rings, AISI 4140H forging spindles, AISI 4140H forging bars,AISI 4140H forging gears that are used in power transmission, turbine,gas compressor,gear boxes and so on
AISI 4140H forged products,AISI 4140H forged nozzles,AISI 4140H forging eccentric shaft that are used on processing units,mechanical equipment, crystalizer equipment,Wellhead and Christmas tree
AISI 4140H forged wheels, forged manifold,forging rolls that are used in shipping building,heavy machinery.Paper and Pulp Industries,Pharmaceutical & Biochemistry
Our AISI 4140H forged parts will be Ultrasonic testing as per standard, EN10228-3,Sep1921,ASTM A388 and so on
We could supply AISI 4140H forged parts certificate as per the standard of EN10204-3.1 or EN10204-3.2 of third party
Please send us the size or drawing of AISI 4140H forged material that you need, we are glad to quote the best price for your side