Description
Jiangsu Liangyi is professional manufacturer of 34CrMo4,1.7220,34 CrMo 4 open die forging parts and seamless rolled steel forged rings from china
Following is the shape of 34CrMo4,1.7220,34 CrMo 4 forging steel material that we could do is:34CrMo4 Forged Steel round bars square bars Flat bars Rectangles Bars Rods,
34CrMo4 Forged forging steel rings seamless rolled rings,1.7220 Forged Forging Steel Hubs housing shell Sleeves Bushes Bushing Cases Hollow Bars,34CrMo4 forging forged steel shafts,gear,pinion shafts,spindles,gear wheel,1.7220 Forged Forging Steel Discs Disks Blocks plates,34CrMo4 Forged Forging Steel Pipe Tubes Tubings Piping Shells Casings Case barrels Housings.
Following is forging products of 34CrMo4,1.7220,34 CrMo 4 material that is used in following industry
34CrMo4 Forged Forging Sugar Mill Gear shafts,pinion shafts,roller shafts,flanges coupling
34CrMo4 Cement Mill Rotary Kiln Forged Forging Steel case hardened ground Pinion Shafts
1.7220 Forging Forging Steel mill gear pinion shafts
34CrMo4 Forging wind turbine gearbox gear shafts,ring gears
1.7220 forging forged locomotive transmission shafts
34CrMo4 forging forged crane wheels
34CrMo4 hydro turbine shafts
34CrMo4 Forging gearbox,gear reducer gear wheels, pinion shafts,ring gears,
34CrMo4 Forging crankshafts for gas compressor, mechanical presses,pump.
34CrMo4 forging steel Spindles
34 CrMo 4 Forging steel gear couplings
34CrMo4 Forged Forging Rolled Steel Granulators driers coaters coolers Riding Gear Rings
34CrMo4 Forged Forging Steel Cement Plant Pull Torque Rods
34CrMo4 Forged Forging Steel Crusher Shaft eccentric shafts,Mining Mine rock Gyratory crusher Eccentric shafts Spindles,Crusher Belt Pulley Wheels.
34 CrMo 4 Forged Forging Steel Mining Excavator Slewing Bearing Ball Races rings
34CrMo4 Forged Forging Steel Oil Drilling Tools Gear Shaft Pinion Shafts
34CrMo4 Forged Forging Steel helical gearing ground ship gearwheel Gear Wheels
34CrMo4 Forged Forging Steel Dragline Drag Line Power Shovel Cam Swing Shafts Shafting Spindles,dragline CENTRE PINTLE
34CrMo4 Forged Forging Steel Atomizer Shafts For Flue Gas Desulfurization scrubber Systems
34CrMo4 Forged Forging Steel drilling rigs Mud pump herringbone gear shafts pinion shafts
34CrMo4 Forging Forged Steel Thread Tie Rods
34CrMo4 Forged Forging Steel Electric Shovel Shaft Couplings
34CrMo4 Forged Forging Steel Granulator Gear Shafts
34CrMo4 Conveyor Pulley Forging Forged Steel Shafts factory
34CrMo4 Forged Forging Steel Hydraulic Honed Cylinders
34 CrMo 4 Forged Forging Steel Mine hoist systems Equipment Shaft Shafting Spindles
34CrMo4 Forged Forging Steel Rotary Dryer Trunnion Wheels
34CrMo4 Forged Forging Forge Steel Cold Mill Decoiler Coiler Mandrel Drum Shafts
34CrMo4 Forged Forging Steel bullgear Spider Gear Rims
34 CrMo 4 Forged Forging Shovel SWING Rimmed GEARING Gear DRUM GEAR,SWING PROPEL Pinion SHAFTS
34CrMo4 Forged Forging Steel Truck RING GEARS PLANET GEARS PINION SHAFTS
34CrMo4 Forging Forge Steel Offshore subsea anchor winches Stub Shafts Spindles
34 CrMo 4 Forged Forging Steel Seamless Hot rolled Truck concrete mixers semi-trailer bearings Rings
34CrMo4 Forged Forging Steel Subsea oil gas drilling equipments Box Riser Joint
34CrMo4 Forged Forging Railway locomotive Traction Motors end housings Rear End Shields
34CrMo4 Forged Forging Steel Gas Steam Turbine Labyrinth seal bushing
34CrMo4 Forged Forging Steel Gas Steam turbine generator air gap annular split baffle rings
34CrMo4 Forged Forging Steels Christmas Trees wellhead Spool Body Bodies
34CrMo4 Forged Forging forge Steel Gas Steam turbine Power generator Shafts
34CrMo4 Forged Forging Gas Steam turbine Rotors Forward Stub Shafts Spindles
34CrMo4 Forged Forging drilling tools,risers,connectors,flexible joint ,seals,flanges gasket factory
34CrMo4 Forged Forging drilling tools,risers,connectors,flexible joint ,seals,flanges gasket
34CrMo4 Forged Forging Steel gate valves Body Bodies bespoke flat bars
34CrMo4 Forged Forging Steel double studded adapter flange
34CrMo4 Forged Forging Steel Casing Heads,Tubing Heads,Casing Hangers,Tubing Hangers,Tubing Spools,Casing Spools,Spacer Spools
34CrMo4 Forging/Forged Fracturing Mud Pump Fluid End ModuleForged/Forging Blowout Preventer RAM Annular Bop Body Bodies
34CrMo4 Forged Forging Steel Pumping Equipment Eccentric Laterals Lateral Forgings
SNCM439 Forging Forged Steel shield TBM cutter Cutting Rings
34CrMo4 Forging/Forged Steel Wellhead Christmas Tree Frac Head (Fracturing Head)
34CrMo4 Forged Forging Steel drill head casings,collars,landing bowls
34CrMo4 Forged Forging Forge Steel FLANGED BOSSES
34CrMo4 Forged Forging Subsea Extrusions Oil Gas Inventory
34CrMo4 Forged Forging Steel Annulus AWB/PWB wing blocks Body Bodies
34CrMo4 Forged Forging Forge Steel Offshore subsea anchor winches Stub Shafts Spindles
34CrMo4 Forged Forging Steel Lower Torque Hydro Master gate Frac valve Lower Master Valve Block Body Bodies
34CrMo4 Forged Forging Oil field downhole drilling tool Mud Motor Drive shafts
34CrMo4 Forged Forging Valve Balls,valve Bonnets,valve Body Bodies ,valve Stems,valve closures, valve seat rings, valve core, valve discs,for H type two way 2‐way one way back pressure valves, ball valve,check valve,gate valve
34CrMo4 Forged Forging Steel Rotary Rock Drilling Tri-Cone Tricone Drill Bit cutter (PDC) Body Bodies factory
Forged Forging Steel Rotary Rock Drilling Tri-Cone Tricone Drill Bit cutter (PDC) Body Bodies
34CrMo4 is Structural hardened steel with the best mechanical properties at 40-70mm dimensions, designed for water or oil hardening, and inductiv or fire surface hardening after a thermal improvement after which the hardness of the surface is between 52-57 HRC.
FOllowing is production standard of 34CrMo4 forged parts
EN 10083-3: 2006 Steels for quenching and tempering. Technical delivery conditions for alloy steels
EN 10132-3: 2000 Cold rolled narrow steel strip for heat treatment. Technical delivery conditions. Steels for quenching and tempering
EN 10263-4: 2001 Steel rod, bars and wire for cold heading and cold extrusion. Technical delivery conditions for steels for quenching and tempering
EN 10250-3: 2000 Open steel die forgings for general engineering purposes. Alloy special steels
Steel making Process of 34CrMo4 forging round bars
Electric arc furnace or blast furnace and oxygen blast converter shall be used, each with subsequent ladle treatment;
Steel shall be vacuum degassed;
Steel shall be non-radioactive;
Quality class shall beat least MQ in accordance with ISO 6336-5 or DIN 3990-5;
Standard EN 10083 shall be followed.
Chemical composition of 34 CrMo 4 forged parts
C 0.3 - 0.37
Si max 0.4
Mn 0.6 - 0.9
P max 0.025
S max 0.035
Cr 0.9 - 1.2
Mo 0.15 - 0.3
Heat treatment way of 34CrMo4 forging parts
Annealing with a slow cooling at 680 - 720℃
Normalization at 850-880 ℃ with adjustable cooling rate depending on a product dimensions, including softening for optimum workability
Normalization at 850 - 880 ℃ heating until the temperature equals at the entire cross section of the material with cooling in calm air
Hardening at 830 - 860 ℃ with cooling in water, or at 840 - 870 ℃ in oil Tempering at 540 - 680℃ with cooling in air.
Mechanical properties of the 34CrMo4 forged Raw Material
Rp0,2 [N/mm²] size < 16 min. 800 min. size16 – 40 650 min. size 40 – 100 550 min. size 100 – 160 500 min. size 160 – 250 450
Tensile strength Rm [N/mm²] size< 16 1000 - 1200 16 – 40 900 - 1100 size 40 – 100 800 - 950 size 100 – 160 750 - 900 size 160 – 250 700 - 850
Fracture elongation A5 [%] min. size< 16 11 min. size 16 – 40 12 min. size 40 – 100 14 min. size 100 – 160 15 min. size 160 – 250 15
Reduction of area Z [%] min. size< 16 45 min. size 16 – 40 50 min. size 40 – 100 55 min. size 100 – 160 55 min. size 160 – 250 60
Notch impact energy ISO-V [J] min. size< 16 35 min. size 16 – 40 40 min. size 40 – 100 45 min. size 100 – 160 45 min. size 160 – 250 45
FOllowing is inspection standard of 34CrMo4 forged material
ASTM A788 Standard Specification for Steel Forgings, General Requirements
ASTM A751 Standard Test Methods, Practices, and Terminology for Chemical Analysis of Steel Products
ASTM A29 Standard Specification for Steel Bars, Carbon and Alloy, Hot Wrought, General Requirements
ASTM A370 Standard Test Methods and Definitions for Mechanical Testing of Steel Products
ASTM E112 Standard Test Methods for Determining Average Grain Size
ASTM E140 Standard Hardness Conversion Tables for Metals Relationship Among Brinell Hardness, Vickers Hardness, Rockwell Hardness, Superficial Hardness, Knoop Hardness, and Scleroscope Hardness
ASTM E18 Standard Test Methods for Rockwell Hardness of Metallic Materials
ASTM E10 Standard Test Methods for Brinell Hardness of Metallic Materials
ASTM E110 Standard Test Method for Rockwell and Brinell Hardness of Metallic Materials by Portable Hardness Testers
ISO 9712 Non-destructive Testing - Qualification and Certification of NDT Personnel - General Principles
SNT-TC-1A Personnel Qualification and Certification in Nondestructive Testing
ISO 6892-1 Metallic Materials-Tensile Testing-Part 1: Method of test at room temperature
ISO 148-1 Metallic Materials-Charpy pendulum impact test-Part 1: Test method
Welcome your inquiry of 34CrMo4,1.7220,34 CrMo 4 forging parts
