Technical data

Welding with hardmetal and plasma welding.

Technology
  • Measurement dimensions
  • Hardness measurement
  • Plasma welding on welding robot
  • TIC/MIC welding
  • Turning
  • CNC-milling
  • CNC-cylindrical grinding
  • Honing
  • Polishing
  • Mechanical vibration polishing
Hardmetal / heat treatment/coating
  • Stellite
  • Colmonoy
  • Wolfram
  • Gas nitriting
  • Termpering
  • Hardening
  • Hard chronium coating
  • PVD hard coating

 

Welding with hardmetal and plasma welding

Maximum measurements

  • Diameters up to 500mm
  • Length up to 6000 mm

Materialer

  • Nitrided steel
  • High speed steel
  • Alloy steel
  • Stainless steel
  • Bimetal


Overview of materials and coatings - refurbishment and new manufacture


Screws and worms

Heat treatment/

Coating

Materials

Thickness

mm

Hardness

Rockwell C

 

Stainless steel

 

Different

Gas nitrided

Nitrided steel

0,5 – 0,6

64 – 67

Through hardened

High speed steel

 

58 – 62

Stellite 6

Co, Cr, W

> 2

44 – 48

Stellite 12

Co, Cr, W

> 2

46 – 50

Colmonoy 56

Ni, Cr

> 2

50 – 55

Stellite 56

Ni, Cr,

 

55 – 62

Wolfram Carbid

Ni, WC

>1,0

60 – 65 (50 – 55)


Barrels

Heat treatment/

Coating

Materials

Thickness

mm

Hardness

Rockwell C

 

Stainless steel

 

Different

Gas nitrided

Nitrided steel

0,5 – 0,6

64 – 67

Through hardened

High speed steel

 

58 – 62

KAL WR/A110

Fe, Ni, C

1,5 – 3,0

58 – 65

KAL WCR/AC333

Fe, Cr, Ni, C

1,5 – 3,0

64 – 69

KAL ECR/C242

Ni, SI, B

1,5 – 3,0

58 – 66

KAL EWR/X800

Ni, WC

1,2 – 2,0

58 – 66

Recommended combinations

Barrels >

Screws

Stainless steel

Gas nitrided

Through

hardened

KAL WR

A110

KAL WCR

AC333

KAL ECR C242

KAL EWR X800

Stainless steel

X

X

Gas nitrided

X,1

Through hardened

X,1

Stellite 6

(X)

(X)

Stellite 12

(X)

X,1

Colmonoy 56

(X)

X,2

X,2

Stellite 56

( X )

X,3

Wolfram Carbid

X,4

 

Codes: X = optimal ( X ) = Can be used 1-4 = Factor lifetime



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