Model NO.: free size
Manufacturing Way: Forging
Technology: Forged
Cert: ISO
Tech: Casted A105n Steel Flange
Size: ASTM DIN
Trademark: GD
Transport Package: Wooden Box
Specification: non standard
Origin: China
HS Code: 7326
Model NO.: free size
Manufacturing Way: Forging
Technology: Forged
Cert: ISO
Tech: Casted A105n Steel Flange
Size: ASTM DIN
Trademark: GD
Transport Package: Wooden Box
Specification: non standard
Origin: China
HS Code: 7326
Name: General s355 sae4140 forging steel tube
2: Certificates: ISO9001-2008, SGS, PED
3: Products ability: 3000 ton/month
4: Surface: Polishing or per customer's requirement
5: Proces: Hot forging

Packaging & Delivery

Packaging Details:		 wooden or steel package seaworthy packing
Delivery Detail: about 35 days from order or as per customer requirement
 
Item Process Facility Inspection items Standard

01
 		 Steel material
 inspection		   Chemical composition
(EF+LF+VD)		 Material standard
  surface Ingot inspection 
specification
  Ingot type and weight Material standard
02
 		 Material
store		   Division put warehouse management
1
 		 Heat  Heat furnace Temperature/Time Heating process 
specification
Forging production 
procedure
2
↓		 Forging Press Reduction ratio,forging 
temperature,deformation, 
Surface and dimensions		 Forging process card
Forging procedure
3
↓		 Heat treatment heat treatment
 furnace		 heat treatment charts 1st heat-treatment card
Forging procedure
4
↓		 Rough 
inspection		   Dimensions, apperance,
 Mark		 Inspection specification
Forging procedure
5
↓		 Rough UT UT equipment Single defect, concentrated 
Defects bottom wave 
attenuation		 UT standard or 
customer's technical 
requirements
6
↓		 Saw cutting Saw machine Dimension IQC and forging
7
↓		 rough turning turning-lathe Dimension,appearance  Rough machining 
drawing
8
↓		 UT UT equipment Single defect, concentrated 
defects bottom wave attenuation		 UT standard or 
customer's technical 
requirements
9
↓		 Q+T 
heat treatment		 heat treatment
 furnace		 heat treatment charts Heating process 
specification
10
↓		 Sampling or machining machining tool rough machining drawing
sampling drawing		 sample machining 
drawing
11
↓		 mechanical 
property test		  tensile testing machine/
impact testing machine		 ambient temperature,humidity,
Test temp.Sample dimension, 
test method		 Standard
technical specification
12
↓		 finish 
machining		 machining 
tool		 Dimension,appearance  finish machining drawing
13
↓		 UT UT equipment Single defect, concentrated 
Defects bottom wave 
attenuation		 UT standard or 
customer's technical 
requirements
14
↓		 MT MT equipment Magnetic particle 
indication		 Test standard or 
Technical requirements
15
↓		 Mark Steel seal marking content Product standard
Technical requirements
Forging process
16
↓		 Final 
inspection		   Appearance, dimension, mark
acceptance inspection		 Product inspection 
specification
Product standard
P.O.
17 Protection/
package		 Blasting
Blasting equipment		 appearance
coating thickness		 Product standard
Technical requirements
 
  Name: General s355 sae4140 forging steel tube
2: Certificates: ISO9001-2008, SGS, PED
3: Products ability: 3000 ton/month
4: Surface: Polishing or per customer's requirement
5: Proces: Hot forging

Packaging & Delivery

Packaging Details:		 wooden or steel package seaworthy packing
Delivery Detail: about 35 days from order or as per customer requirement
 
Item Process Facility Inspection items Standard

01
 		 Steel material
 inspection		   Chemical composition
(EF+LF+VD)		 Material standard
  surface Ingot inspection 
specification
  Ingot type and weight Material standard
02
 		 Material
store		   Division put warehouse management
1
 		 Heat  Heat furnace Temperature/Time Heating process 
specification
Forging production 
procedure
2
↓		 Forging Press Reduction ratio,forging 
temperature,deformation, 
Surface and dimensions		 Forging process card
Forging procedure
3
↓		 Heat treatment heat treatment
 furnace		 heat treatment charts 1st heat-treatment card
Forging procedure
4
↓		 Rough 
inspection		   Dimensions, apperance,
 Mark		 Inspection specification
Forging procedure
5
↓		 Rough UT UT equipment Single defect, concentrated 
Defects bottom wave 
attenuation		 UT standard or 
customer's technical 
requirements
6
↓		 Saw cutting Saw machine Dimension IQC and forging
7
↓		 rough turning turning-lathe Dimension,appearance  Rough machining 
drawing
8
↓		 UT UT equipment Single defect, concentrated 
defects bottom wave attenuation		 UT standard or 
customer's technical 
requirements
9
↓		 Q+T 
heat treatment		 heat treatment
 furnace		 heat treatment charts Heating process 
specification
10
↓		 Sampling or machining machining tool rough machining drawing
sampling drawing		 sample machining 
drawing
11
↓		 mechanical 
property test		  tensile testing machine/
impact testing machine		 ambient temperature,humidity,
Test temp.Sample dimension, 
test method		 Standard
technical specification
12
↓		 finish 
machining		 machining 
tool		 Dimension,appearance  finish machining drawing
13
↓		 UT UT equipment Single defect, concentrated 
Defects bottom wave 
attenuation		 UT standard or 
customer's technical 
requirements
14
↓		 MT MT equipment Magnetic particle 
indication		 Test standard or 
Technical requirements
15
↓		 Mark Steel seal marking content Product standard
Technical requirements
Forging process
16
↓		 Final 
inspection		   Appearance, dimension, mark
acceptance inspection		 Product inspection 
specification
Product standard
P.O.
17 Protection/
package		 Blasting
Blasting equipment		 appearance
coating thickness		 Product standard
Technical requirements
 
 

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