In stainless and carbon steels, alloy steels,duplex and super duplex. In stainless and carbon steels, alloy steels,duplex and super duplex. Iron Core Linear Motor,Iron Core Small Linear Motors,Linear Motor With Iron Core,Utra-Thin Iron Core Linear Motor Dongguan Baolai Automation Technology Co., Ltd. , https://www.dgbaolaizdh.com
We supply a wide range of forged shafts and round bars for offshore, oil and gas, sugar mills, cement mills, steel mills, mining equipment and other heavy machinery. AISI 410, 420, 430 ex-stock in large OD.
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The strict use of high quality raw material is guaranteed and proved by raw material certificate with each delivery.
Item
Process
Facility
Inspection items
Standard
01
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Steel material
 inspection
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Chemical composition
(EF+LF+VD)
Material standard
Â
surface
Ingot inspectionÂ
specification
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Ingot type and weight
Material standard
02
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Material
store
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Division put
warehouse management
1
 HeatÂ
Heat furnace
Temperature/Time
Heating processÂ
specification
Forging productionÂ
procedure
2
↓
Forging
Press
Reduction ratio,forgingÂ
temperature,deformation,Â
Surface and dimensions
Forging process card
Forging procedure
3
↓
Heat treatment
heat treatment
 furnace
heat treatment charts
1st heat-treatment card
Forging procedure
4
↓
RoughÂ
inspection
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Dimensions, apperance,
 Mark
Inspection specification
Forging procedure
5
↓
Rough UT
UTÂ equipment
Single defect, concentratedÂ
Defects bottom waveÂ
attenuation
UT standard orÂ
customer's technicalÂ
requirements
6
↓
Saw cutting
Saw machine
Dimension
IQC and forging
7
↓
rough turning
turning-lathe
Dimension,appearanceÂ
Rough machiningÂ
drawing
8
↓
UT
UTÂ equipment
Single defect, concentratedÂ
defects bottom wave attenuation
UT standard orÂ
customer's technicalÂ
requirements
9
↓
Q+TÂ
heat treatment
heat treatment
 furnace
heat treatment charts
Heating processÂ
specification
10
↓
Sampling or machining
machining tool
rough machining drawing
sampling drawing
sample machiningÂ
drawing
11
↓
mechanicalÂ
property test
 tensile testing machine/
impact testing machine
ambient temperature,humidity,
Test temp.Sample dimension,Â
test method
Standard
technical specification
12
↓
finishÂ
machining
machiningÂ
tool
Dimension,appearanceÂ
finish machining drawing
13
↓
UT
UTÂ equipment
Single defect, concentratedÂ
Defects bottom waveÂ
attenuation
UT standard orÂ
customer's technicalÂ
requirements
14
↓
MT
MTÂ equipment
Magnetic particleÂ
indication
Test standard orÂ
Technical requirements
15
↓
Mark
Steel seal
marking content
Product standard
Technical requirements
Forging process
16
↓
FinalÂ
inspection
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Appearance, dimension, mark
acceptance inspection
Product inspectionÂ
specification
Product standard
P.O.
17
Protection/
package
Blasting
Blasting equipment
appearance
coating thickness
Product standard
Technical requirements
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We supply a wide range of forged shafts and round bars for offshore, oil and gas, sugar mills, cement mills, steel mills, mining equipment and other heavy machinery. AISI 410, 420, 430 ex-stock in large OD.
Â
The strict use of high quality raw material is guaranteed and proved by raw material certificate with each delivery.
Item
Process
Facility
Inspection items
Standard
01
Â
Steel material
 inspection
Â
Chemical composition
(EF+LF+VD)
Material standard
Â
surface
Ingot inspectionÂ
specification
Â
Ingot type and weight
Material standard
02
Â
Material
store
Â
Division put
warehouse management
1
 HeatÂ
Heat furnace
Temperature/Time
Heating processÂ
specification
Forging productionÂ
procedure
2
↓
Forging
Press
Reduction ratio,forgingÂ
temperature,deformation,Â
Surface and dimensions
Forging process card
Forging procedure
3
↓
Heat treatment
heat treatment
 furnace
heat treatment charts
1st heat-treatment card
Forging procedure
4
↓
RoughÂ
inspection
Â
Dimensions, apperance,
 Mark
Inspection specification
Forging procedure
5
↓
Rough UT
UTÂ equipment
Single defect, concentratedÂ
Defects bottom waveÂ
attenuation
UT standard orÂ
customer's technicalÂ
requirements
6
↓
Saw cutting
Saw machine
Dimension
IQC and forging
7
↓
rough turning
turning-lathe
Dimension,appearanceÂ
Rough machiningÂ
drawing
8
↓
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Model NO.: Sae1045 steel bevel pinion gear
Type: Worm And Wormwheel
Size: 5′′ to 500′′
Name: SAE1045 Steel Jackup Pinion Gear
Certificates: ISO, Gl and ABS
Cncturning: According to Drawings
Trademark: sae4140 steel pinion forging
Transport Package: Box or Wooden Package
Specification: sae4140 steel gear forging
Origin: China
HS Code: 73269090
Model NO.: Sae1045 steel bevel pinion gear
Type: Worm And Wormwheel
Size: 5′′ to 500′′
Name: SAE1045 Steel Jackup Pinion Gear
Certificates: ISO, Gl and ABS
Cncturning: According to Drawings
Trademark: sae4140 steel pinion forging
Transport Package: Box or Wooden Package
Specification: sae4140 steel gear forging
Origin: China
HS Code: 73269090
Name: Sae4140 sae1045 sae4130 steel bevel pinion gear forging
Name: Sae4140 sae1045 sae4130 steel bevel pinion gear forging