China Semi Closed Die Forging Steel Ring SAE4140 SAE1045

Name: Forging SCM440 semi closed die forging steel retaining ring
Description:
The heavy forging: forged ring, shaft, roller, flange, or gear is widely used for various industries For example: metallurgy, mining, power station and so on. The manufacturing equipment is 185MN or 100MN hydraulic press, the forging ratio >4.5, the technical condition is in accordance with the standard of ASTM, EN, DIN, ASME or GB etc.
The product can be provided as per your drawing or specified requirements.
Smelting Process:EF+LF + VD+VC The process as follow :Ingot →heat → forging → Heat treatment (Normalizing+ tempering) → Inspection →rough machining→UT →2th Heat treatment →finishing machining →Inspection
Applications: The heavy forging: forged ring, shaft, roller, flange, or gear is widely used for various industries
For example: metallurgy, mining, power station and so on.

ItemProcessFacility
Inspection items
Standard
01
Steel material
inspection Chemical composition
(EF+LF+VD)Material standard surfaceIngot inspection
specification Ingot type and weightMaterial standard02
Material
store Division putwarehouse management1
Heat Heat furnaceTemperature/TimeHeating process
specification
Forging production
procedure2
↓ForgingPressReduction ratio,forging
temperature,deformation,
Surface and dimensionsForging process card
Forging procedure3
↓Heat treatmentheat treatment
furnaceheat treatment charts1st heat-treatment card
Forging procedure4
↓Rough
inspection Dimensions, apperance,
MarkInspection specification
Forging procedure5
↓Rough UTUT equipmentSingle defect, concentrated
Defects bottom wave
attenuationUT standard or
customer's technical
requirements6
↓Saw cuttingSaw machineDimensionIQC and forging7
↓rough turningturning-latheDimension,appearance Rough machining
drawing8
↓UTUT equipmentSingle defect, concentrated
defects bottom wave attenuationUT standard or
customer's technical
requirements9
↓Q+T
heat treatmentheat treatment
furnaceheat treatment chartsHeating process
specification10
↓Sampling or machiningmachining toolrough machining drawing
sampling drawingsample machining
drawing11
↓mechanical
property test tensile testing machine/
impact testing machineambient temperature,humidity,
Test temp.Sample dimension,
test methodStandard
technical specification12
↓finish
machiningmachining
toolDimension,appearance finish machining drawing13
↓UTUT equipmentSingle defect, concentrated
Defects bottom wave
attenuationUT standard or
customer's technical
requirements14
↓MTMT equipmentMagnetic particle
indicationTest standard or
Technical requirements15
↓MarkSteel sealmarking contentProduct standard
Technical requirements
Forging process16
↓Final
inspection Appearance, dimension, mark
acceptance inspectionProduct inspection
specification
Product standard
P.O.17Protection/
packageBlasting
Blasting equipmentappearance
coating thicknessProduct standard
Technical requirements

Steel ring details