Description
Jiangsu Liangyi is professional manufacturer of 31CrMo12,31 CrMo 12,1.8515 open die forging parts and seamless rolled steel forged rings from china
Following is the shape of 31CrMo12,31 CrMo 12,1.8515 forging steel material that we could do is:31CrMo12 Forged Steel round bars square bars Flat bars Rectangles Bars Rods,31CrMo12 Forged forging steel rings seamless rolled rings,1.8515 Forged Forging Steel Hubs housing shell Sleeves Bushes Bushing Cases Hollow Bars,31CrMo12 forging forged steel shafts,gear,pinion shafts,spindles,gear wheel,1.8515 Forged Forging Steel Discs Disks Blocks plates,31CrMo12 Forged Forging Steel Pipe Tubes Tubings Piping Shells Casings Case barrels Housings.
Following is forging products of 31CrMo12,31 CrMo 12,1.8515 material that is used in following industry
31CrMo12 Forged Forging Sugar Mill Gear shafts,pinion shafts,roller shafts,flanges coupling
31CrMo12 Cement Mill Rotary Kiln Forged Forging Steel case hardened ground Pinion Shafts
1.8515 Forging Forging Steel mill gear pinion shafts
31CrMo12 Forging wind turbine gearbox gear shafts,ring gears
1.8515 forging forged locomotive transmission shafts
31CrMo12 forging forged crane wheels
31CrMo12 hydro turbine shafts
31CrMo12 Forging gearbox,gear reducer gear wheels, pinion shafts,ring gears,
31CrMo12 Forging crankshafts for gas compressor, mechanical presses,pump.
31CrMo12 forging steel Spindles
31CrMo12 Forging steel gear couplings
31CrMo12 Forged Forging Rolled Steel Granulators driers coaters coolers Riding Gear Rings
31CrMo12 Forged Forging Steel Cement Plant Pull Torque Rods
31CrMo12 Forged Forging Steel Crusher Shaft eccentric shafts,Mining Mine rock Gyratory crusher Eccentric shafts Spindles,Crusher Belt Pulley Wheels.
31CrMo12 Forged Forging Steel Mining Excavator Slewing Bearing Ball Races rings
31CrMo12 Forged Forging Steel Oil Drilling Tools Gear Shaft Pinion Shafts
31CrMo12 Forged Forging Steel helical gearing ground ship gearwheel Gear Wheels
31CrMo12 Forged Forging Steel Dragline Drag Line Power Shovel Cam Swing Shafts Shafting Spindles,dragline CENTRE PINTLE
31CrMo12 Forged Forging Steel Atomizer Shafts For Flue Gas Desulfurization scrubber Systems
31CrMo12 Forged Forging Steel drilling rigs Mud pump herringbone gear shafts pinion shafts
31CrMo12 Forging Forged Steel Thread Tie Rods
31CrMo12 Forged Forging Steel Electric Shovel Shaft Couplings
31CrMo12 Forged Forging Steel Granulator Gear Shafts
31CrMo12 Conveyor Pulley Forging Forged Steel Shafts factory
31CrMo12 Forged Forging Steel Hydraulic Honed Cylinders
31CrMo12 Forged Forging Steel Mine hoist systems Equipment Shaft Shafting Spindles
31CrMo12 Forged Forging Steel Rotary Dryer Trunnion Wheels
31CrMo12 Forged Forging Forge Steel Cold Mill Decoiler Coiler Mandrel Drum Shafts
31CrMo12 Forged Forging Steel bullgear Spider Gear Rims
31CrMo12 Forged Forging Shovel SWING Rimmed GEARING Gear DRUM GEAR,SWING PROPEL Pinion SHAFTS
31CrMo12 Forged Forging Steel Truck RING GEARS PLANET GEARS PINION SHAFTS
31CrMo12 Forging Forge Steel Offshore subsea anchor winches Stub Shafts Spindles
31CrMo12 Forged Forging Steel Seamless Hot rolled Truck concrete mixers semi-trailer bearings Rings
31CrMo12 is normal used in the automotive and mechanical engineering industries. Especially if the application requires surfaces that can withstand high wear.
Steel making Process of 31CrMo12 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 31CrMo12,31 CrMo 12,1.8515 forged parts
C 0.28 - 0.35
Si max 0.4
Mn 0.4 - 0.7
P max 0.025
S max 0.035
Cr 2.8 - 3.3
Mo 0.3 - 0.5
Mechanical properties of the 31CrMo12 forged Raw Material
Dimensions 16 - 40mm Tensile strength, Rm: 1030 - 1230 MPa The yield point, Re: > 835 MPa Elongation, A:> 10% Impact resistance, KV20℃: >20 J
Dimensions 40 - 100mm Tensile strength, Rm: 980 - 1180 MPa The yield point, Re: > 785 MPa Elongation, A:> 11% Impact resistance, KV20℃: >20 J
Dimensions 100 - 160mm Tensile strength, Rm: 930 - 1130 MPa The yield point, Re: > 735 MPa Elongation, A:> 12% Impact resistance, KV20℃: >20 J
Dimensions 160 - 250mm Tensile strength, Rm: 880 - 1080 MPa The yield point, Re: > 675 MPa Elongation, A:> 12% Impact resistance, KV20℃: >20 J
FOllowing is inspection standard of 31CrMo12 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
Material certification to EN10204 Type 3.1 of finish 31CrMo12 forged material should be issued as per following
Material certificate,per batch,referred to this specification are issued by the manufacturershall include as minimum:
Order No.
Grade of material
Cast no.and heat treatment no.
Melting and refining process.
Certified chemical analysis.
Certified record of mechanical properties including impact test.
Certificate of Ultrasonic Test
Welcome your inquiry of 31CrMo12,31 CrMo 12,1.8515 forging parts
Following is the shape of 31CrMo12,31 CrMo 12,1.8515 forging steel material that we could do is:31CrMo12 Forged Steel round bars square bars Flat bars Rectangles Bars Rods,31CrMo12 Forged forging steel rings seamless rolled rings,1.8515 Forged Forging Steel Hubs housing shell Sleeves Bushes Bushing Cases Hollow Bars,31CrMo12 forging forged steel shafts,gear,pinion shafts,spindles,gear wheel,1.8515 Forged Forging Steel Discs Disks Blocks plates,31CrMo12 Forged Forging Steel Pipe Tubes Tubings Piping Shells Casings Case barrels Housings.
Following is forging products of 31CrMo12,31 CrMo 12,1.8515 material that is used in following industry
31CrMo12 Forged Forging Sugar Mill Gear shafts,pinion shafts,roller shafts,flanges coupling
31CrMo12 Cement Mill Rotary Kiln Forged Forging Steel case hardened ground Pinion Shafts
1.8515 Forging Forging Steel mill gear pinion shafts
31CrMo12 Forging wind turbine gearbox gear shafts,ring gears
1.8515 forging forged locomotive transmission shafts
31CrMo12 forging forged crane wheels
31CrMo12 hydro turbine shafts
31CrMo12 Forging gearbox,gear reducer gear wheels, pinion shafts,ring gears,
31CrMo12 Forging crankshafts for gas compressor, mechanical presses,pump.
31CrMo12 forging steel Spindles
31CrMo12 Forging steel gear couplings
31CrMo12 Forged Forging Rolled Steel Granulators driers coaters coolers Riding Gear Rings
31CrMo12 Forged Forging Steel Cement Plant Pull Torque Rods
31CrMo12 Forged Forging Steel Crusher Shaft eccentric shafts,Mining Mine rock Gyratory crusher Eccentric shafts Spindles,Crusher Belt Pulley Wheels.
31CrMo12 Forged Forging Steel Mining Excavator Slewing Bearing Ball Races rings
31CrMo12 Forged Forging Steel Oil Drilling Tools Gear Shaft Pinion Shafts
31CrMo12 Forged Forging Steel helical gearing ground ship gearwheel Gear Wheels
31CrMo12 Forged Forging Steel Dragline Drag Line Power Shovel Cam Swing Shafts Shafting Spindles,dragline CENTRE PINTLE
31CrMo12 Forged Forging Steel Atomizer Shafts For Flue Gas Desulfurization scrubber Systems
31CrMo12 Forged Forging Steel drilling rigs Mud pump herringbone gear shafts pinion shafts
31CrMo12 Forging Forged Steel Thread Tie Rods
31CrMo12 Forged Forging Steel Electric Shovel Shaft Couplings
31CrMo12 Forged Forging Steel Granulator Gear Shafts
31CrMo12 Conveyor Pulley Forging Forged Steel Shafts factory
31CrMo12 Forged Forging Steel Hydraulic Honed Cylinders
31CrMo12 Forged Forging Steel Mine hoist systems Equipment Shaft Shafting Spindles
31CrMo12 Forged Forging Steel Rotary Dryer Trunnion Wheels
31CrMo12 Forged Forging Forge Steel Cold Mill Decoiler Coiler Mandrel Drum Shafts
31CrMo12 Forged Forging Steel bullgear Spider Gear Rims
31CrMo12 Forged Forging Shovel SWING Rimmed GEARING Gear DRUM GEAR,SWING PROPEL Pinion SHAFTS
31CrMo12 Forged Forging Steel Truck RING GEARS PLANET GEARS PINION SHAFTS
31CrMo12 Forging Forge Steel Offshore subsea anchor winches Stub Shafts Spindles
31CrMo12 Forged Forging Steel Seamless Hot rolled Truck concrete mixers semi-trailer bearings Rings
31CrMo12 is normal used in the automotive and mechanical engineering industries. Especially if the application requires surfaces that can withstand high wear.
Steel making Process of 31CrMo12 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 31CrMo12,31 CrMo 12,1.8515 forged parts
C 0.28 - 0.35
Si max 0.4
Mn 0.4 - 0.7
P max 0.025
S max 0.035
Cr 2.8 - 3.3
Mo 0.3 - 0.5
Mechanical properties of the 31CrMo12 forged Raw Material
Dimensions 16 - 40mm Tensile strength, Rm: 1030 - 1230 MPa The yield point, Re: > 835 MPa Elongation, A:> 10% Impact resistance, KV20℃: >20 J
Dimensions 40 - 100mm Tensile strength, Rm: 980 - 1180 MPa The yield point, Re: > 785 MPa Elongation, A:> 11% Impact resistance, KV20℃: >20 J
Dimensions 100 - 160mm Tensile strength, Rm: 930 - 1130 MPa The yield point, Re: > 735 MPa Elongation, A:> 12% Impact resistance, KV20℃: >20 J
Dimensions 160 - 250mm Tensile strength, Rm: 880 - 1080 MPa The yield point, Re: > 675 MPa Elongation, A:> 12% Impact resistance, KV20℃: >20 J
FOllowing is inspection standard of 31CrMo12 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
Material certification to EN10204 Type 3.1 of finish 31CrMo12 forged material should be issued as per following
Material certificate,per batch,referred to this specification are issued by the manufacturershall include as minimum:
Order No.
Grade of material
Cast no.and heat treatment no.
Melting and refining process.
Certified chemical analysis.
Certified record of mechanical properties including impact test.
Certificate of Ultrasonic Test
Welcome your inquiry of 31CrMo12,31 CrMo 12,1.8515 forging parts
