China Forging S355jr Steel Pipe Cylinder

Name: Forging steel din1.4404 din1.4301 s355jr q345 steel pipe cylinder
1. Standard: JIS ANSI DIN EN GB
2. Processing: Raw material inspection stock cuttingheatforgingHeat treatment (Normalizing+ tempering) Inspectionrough machiningUT 2ND Heat treatmentfinishing machiningInspectionpackaging
3. Material: Stainless steel, carbon steel and alloy steel
4. Weight: 500kg to 50000kg
5. Forged process: Hot forged N or Q+T
6. Tolerance: +/-0.1mm
7. Min order: 1 PCS
8. Payment Terms: T/T or L/C
9. Delivery time: 1 PCS(normal size) needs 30 days
10. Certificate: ISO9001: 2008, PED, SGS.

Forging Model Number: OEM (Per customer's drawing)

Application: Wind power; large machinery,gear transmission Material: Steel,Alloy Steel, carbon and Stainless steel
Dimensions: Within 15Tons

Surface: Polishing, Milling or per customer's requirement

Treatment: Heat treatment

Measurement: Within 15 tons Inspection: 100% factory inspection in h
Testing: UT, PT, MT
Certificate: ISO9001-2000, SGS

Outer dia: within 5000.

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