China Forging SAE4140 SAE4340 A105 Steel Drive Shaft

Features:
(1) froging steel drive shaft
(2) Shaft: 20# Cold drawn steel, or as request.
(3) Bearing: Single&Double Row Deep Groove Ball Bearing.
(4) Seals: Grease retaining inner seal with Multi-stage Labyrinth and Retention Cap with Outboard Rubbing Flinger Seal.
(5) Lubrication: Grease is Lithium soap type grease with Rust Inhibitors.
(6) Welding: Mixed gas shielded arc welding end
(7) Painting: ordinary painting, hot galvanized painting, electric static spraying painting, baked painting.
Certificates: ISO, SGS.PED
Standards : GB/T13792-92, ISO9001:2008, CEMA, JIS.
Wind Turbine Shaft 42CrMo4, 34CrNiMo6Marine Shaft C-Mn steelHydro Turbine Shaft 20SiMnRoller Shaft 70Cr3Mo; 9Cr2Mo; MC1; MC2; MC3Gear Shaft 17CrNiMo6; 18CrNiMo7-6; 20CrNi2Mo; 42CrMo; 47CrNiMo6, 20CrMnMoGear 17CrNiMo6; 18CrNiMo7-6; 20CrNi2Mo; 42CrMo; 47CrNiMo6,
20CrMnMo, 30 CrNiMo6Pressure Vessel Forgings SA105, SA350 LF2, 16Mn, 20MnMo, 15MnMo, 12Cr2Mo1, 14Cr1Mo,
42CrMo, F304, F316, 17-4PH, 4330, 4336, 4340Ring Rolling 16Mn, 50Mn, 42CrMo, 15MnV, 35CrMo, A105, 20#,
304, 304L, 316, 316L
Application:
Coal industry, power industry, cement industry, harbor, metallurgy.
Quality warranty
Running resistance factors: Less than 0.02
Radial circular run-out: Less than 0.6mm
Rotating resistance: Less than 1.9N
Axial load: More than 20000N
Axial displacement: Less than 0.25mm
Service life: More than 30000 hoursItemProcessFacilityInspection itemsStandard

01
Steel material
inspection Chemical composition
(EF+LF+VD)Material standardsurfaceIngot inspection
specificationIngot type and weightMaterial standard02
Material
store Division putwarehouse management1
Heat Heat furnaceTemperature/TimeHeating process
specification
Forging production
procedure 2
↓ForgingPressReduction ratio,forging
temperature,deformation,
Surface and dimensionsForging process card
Forging procedure3
↓Heat treatmentheat treatment
furnaceheat treatment charts1st heat-treatment card
Forging procedure 4
↓Rough
inspection Dimensions, apperance,
MarkInspection specification
Forging procedure 5
↓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
how to pack