Thermal Spraying (Powders/Wires)

 

Thermal Spray Powders

Typical chemical composition (in wt.-%)

Particle Size Distributions
HVOF/HVAF Flame Spraying Plasma
-52 +22 µm -125 +45 µm -90 +45 µm
-45 +15 µm -106 +22 µm -45 +22 µm
-38 +15 µm -52 +22 µm -
-25 +10 µm - -
-15 +5 µm - -
-10 +2 µm - -
Other particle size distributions on request
Carbides

DURMAT® WC-Co - agglomerated and sintered

DURMAT® WC (by weight) Co (by weight) WC Grain Size (FSSS)
101 88 % 12 % 2.5 µm
111 88 % 12 % 1.3 µm
121 88 % 12 % 0.7 µm
131 88 % 12 % 0.4 µm
102 83 % 17 % 2.5 µm
112 83 % 17 % 1.3 µm
137 94 % 6 % 1 µm


DURMAT® WC-Co - crushed, sintered

DURMAT® WC (by weight) Co (by weight) WC Grain Size (FSSS)
100 88 % 12 % 2.5 µm


DURMAT® WC-Co-Cr - agglomerated and sintered

DURMAT® WC (by weight) Co (by weight) Cr (by weight) WC Grain Size (FSSS)
105 86 % 10 % 4 % 2.5 µm
115 86 % 10 % 4 % 1.3 µm
125 86 % 10 % 4 % 0.7 µm
135 86 % 10 % 4 % 0.4 µm
106 86 % 8 % 6 % 2.5 µm


DURMAT® Fused Tungsten Carbide (FTC)

DURMAT® Carbidet type Alloy type C (by weight) W (by weight) Hardness
107 DURMAT® Fused Tungsten Carbide (FTC) WC-W2C 3.8-4.1 Bal. 2,360 HV0.1
117 DURMAT® Spherical Fused Tungsten Carbide (SFTC) WC-W2C 3.8-4.1 Bal. 3,000 HV0.1


DURMAT® Spezial WC-Carbide - agglomerated and sintered

DURMAT® Chemische Zusammensetzung (by weight) Structure
108 Cr: 20%; Ni: 7%; WC: Bal. agglomerated and sintered


DURMAT® WC-Co-Cr-Ni - agglomerated and sintered

DURMAT® WC (by weight) C (by weight) Cr (by weight) Ni (by weight) WC Grain Size (FSSS)
109 85 % 10 % 4 % 1 % 2.5 µm


DURMAT® CrC-Carbide - pure - agglomerated and sintered - Blended

DURMAT® Structure Type
250 Cr3C2 pure
251 Cr3C2-NiCr 75 25 agglomerated and sintered
254 Cr3C2-NiCr 75 25 blended
Nickel Base (Ni)

DURMAT® NiCrB - WC-Co-Powder Blends

DURMAT® Structure Carbide Type Carbide Content (by weight) Matrix Hardness
339 NiCrB - WC-Co DURMAT® 102 50 % 57-61 HRC
346 NiCrB - WC-Co DURMAT® 101 40 % 57-61 HRC
354 NiCrB - WC-Co DURMAT® 101 50 % 57-61 HRC
355 NiCrB - WC-Co DURMAT® 101 80 % 57-61 HRC
356 NiCrB - WC-Co DURMAT® 101 35 % 57-61 HRC
372 NiCrB - WC-Co DURMAT® 101 40 % 57-61 HRC
324 NiCrB - WC-Co DURMAT® 100 60 % 57-61 HRC
325 NiCrB - WC-Co DURMAT® 100 35 % 57-61 HRC
326 NiCrB - WC-Co DURMAT® 100 40 % 57-61 HRC
321 NiCrB - RF 13 DURMAT® 137 35 % 57-61 HRC
322 NiCrB - RF 13 DURMAT® 137 60 % 57-61 HRC
323 NiCrB - RF 13 DURMAT® 137 80 % 57-61 HRC


DURMAT® NiCr(B) - FTC/SFTC-Powder Blends

DURMAT® Structure Carbide Type Carbide Content (by weight) Matrix Hardness
349 NiCr - FTC DURMAT® 107 35 % 58-60 HRC
350 NiCr - FTC DURMAT® 107 40 % 58-60 HRC
351 NiCr - FTC DURMAT® 107 50 % 58-60 HRC
352 NiCr - FTC DURMAT® 107 60 % 58-60 HRC
353 NiCr - FTC DURMAT® 107 80 % 58-60 HRC
384 NiCr - SFTC DURMAT® 117 60 % 58-60 HRC
389 NiB - SFTC DURMAT® 117 50 % 57-61 HRC
390 NiCr - FTC DURMAT® 107 70 % 58-60 HRC
391 NiCr - FTC DURMAT® 107 50 % 37-41 HRC
392 NiCr - FTC DURMAT® 107 60 % 37-41 HRC


DURMAT® NiCrB - Alloys

DURMAT® Cr-Content (by weight) Structure Hardness
437 - Ni-Boride, Cr-free 37-41 HRC
444 13-16 % Ni-Cr-Cu-Boride 57-62 HRC
453 6-9 % Ni-Cr-Boride 37-41 HRC
455 11-14 % Ni-Cr-Boride 47-51 HRC
456 13-16 % Ni-Cr-Boride 57-61 HRC
470 4 % Ni-Cr-Boride 30-35 HRC
477 2 % Ni-Cr-Boride 22-26 HRC
478 - Ni-Boride, Cr-free 28-33 HRC
498 7 % Ni-Cr-Boride 32-37 HRC
499 10 % Ni-Cr-Boride 35-40 HRC


DURMAT® Ni - Alloys

DURMAT® Chemical
Composition (by weight)
Type
450 Cr: 20%; Ni: Bal. Water atomized
451 Cr: 20%; Ni: Bal. Gas atomized
452 Al: 5%; Ni: Bal. Gas atomized
Oxides
Cr2O3 High Purity Cr2O3 SiO2 Fe2O3 Al2O3 TiO2 Na2O Fe2O3 Crfree Acid-
soluble:
Grain-
size
DURMAT® 600 >99 ≤0.5 ≤0.1 16-17 3.3 - - - typical 0.03 -45+10
Cr2O3 Cr2O3 SiO2 Fe2O3 Al2O3 TiO2 Na2O Fe2O3 Crfree Acid-
soluble:
Grain-
size
DURMAT® 601 >92 ≤1 ≤0.1 ≤1 - - - - typical 3 -45+10
Cr2O3-TiO2-SiO2 Cr2O3 SiO2 Fe2O3 Al2O3 TiO2 Na2O Fe2O3 Crfree Acid-
soluble:
Grain-
size
DURMAT® 602 >96 4.0-5.0 <0.2 - - - - <1 - -45+10
Al2O3 High Purity Cr2O3 SiO2 Fe2O3 Al2O3 TiO2 Na2O Fe2O3 Crfree Acid-
soluble:
Grain-
size
DURMAT® 603 - ≤0.02 ≤0.05 >99.5 - ≤0.3 - - - -45+10
Al2O3-TiO2 Cr2O3 SiO2 Fe2O3 Al2O3 TiO2 Na2O Fe2O3 Crfree Acid-
soluble:
Grain-
size
DURMAT® 604 - ≤0.6 ≤0.05 >96 ≤3.5 - - - - -45+10
TiO2 Cr2O3 SiO2 Fe2O3 Al2O3 TiO2 Na2O Fe2O3 Crfree Acid-
soluble:
Grain-
size
DURMAT® 644 - <0.05 >0.5 0.05 Bal. - - - - -45+10
 

Thermal Spray Wires: Nickel Base (Ni)

Typical chemical composition (in wt.-%)

Highly Abrasion Resistant Materials
       
DURMAT® C Si Mn Cr Ni Mo Nb V W B Co Ti Al Cu Fe +
AS 751 0.4 - - - Bal. - - - - 1 - - - - - FTC: 50
AS 780 0.4 - - - Bal. - - - - 1 - - - - - WC-Co
88/12: 50
AS 781 0.4 - - - Bal. - - - - 2 - - - - - WC-Co
88/12: 30
AS 786 0.4 1 <1 - Bal. - - - - 1 - - - - - CrC: 35
Highly Corrosion Resistant Materials
         
DURMAT® C Si Mn Cr Ni Mo Nb V W B Co Ti Al Cu Fe +
AS 726 <0.1 <0.1 0.7 22 Bal. 16.5 - - 4 - - 0.15 - - - -
AS 745 <0.1 - <1 <1 Bal. 28 - - - - <1 - - - 0.5 -
AS 748 <0.1 - 0.5 22 Bal. 13 - 0.35 3 - <2.5 - - - 3 -
AS 754 0.1 - - 16 Bal. 17 - - - - 2 <0.7 - - <3 -
AS 758 0.1 - - 16 Bal. 16 - - 3.5 - - - - - 4 -
Wear and Corrosion Resistant Materials
           
DURMAT® C Si Mn Cr Ni Mo Nb V W B Co Ti Al Cu Fe +
AS 711 - 4 - 20 Bal. 6 3.5 - - 4 - - - <2 - -
AS 752 0.7 4.8 - 21 Bal. - - - - 3 - - - - - -
AS 753 0.4 5 - 22 Bal. - - - - 2.7 - - - - - -
AS 755 0.05 - - 22 Bal. 9 3.5 - - - - - - - - -
AS 761 0.4 - - 10 Bal. - - - - 2 - - - - - FTC: 50
AS 760 0.4 3.7 - 21 Bal. - - - - 3 - - - - - SC: 10
Corrosion and Temperature Resistant Materials
       
DURMAT® C Si Mn Cr Ni Mo Nb V W B Co Ti Al Cu Fe +
AS 741 - - - 16 Bal. - - - - - - - 4.5 - 3 -
AS 763 - - - 50 Bal. - - - - - - - - - - -
AS 768 - - - 50 Bal. - - - - - - 1 - - - -
AS 777 - - - 22 Bal. - - - - - - - 10 - - Y: 1
other: <3
Bonding Layer Materials
               
DURMAT® C Si Mn Cr Ni Mo Nb V W B Co Ti Al Cu Fe +
AS 746 - - - 30 Bal. - - - - - - - - - - -
AS 757 - - - 20 Bal. - - - - - - - - - - -
AS 767 - - - - Bal. 6 - - - - - - 5 - - -
AS 762 - - - 9 Bal. 5 - - - - 5 - 7 - <1 -
AS 756 - - - - Bal. - - - - - - - 5 - - -
AS 775 - - - - Bal. - - - - - - - 10 - - -
AS 776 - - - - Bal. - - - - - - - 15 - - -
AS 765 - - - - Bal. - - - - - - - 20 - - -

EXAMPLE | DURMAT® AS 751

  • Good abrasion resistance
  • 50% Fused Tungsten Carbide (FTC).
  • Flux-Cored Wire for Thermal Spraying
Classification
DIN EN ISO 14919 - 6 -1.6 - 4
Applications
Max. operating temperature 500 °C
Hardness
50-60 HRC
 

Thermal Spray Wires: Iron Base (Fe)

Typical chemical composition (in wt.-%)

Highly Wear Resistant Materials
                       
DURMAT® C Si Mn Cr Ni Mo Nb V W B Co Ti Al Cu Fe +
AS 815 4.8 1.4 - 28 - Bal. - - - - - - - - Bal. -
AS 816 5.1 1.7 - 22 - - 4 - - - - - - - Bal. -
AS 827 0.5 0.4 16 14 1.2 0.5 - 0.2 - - - - - - Bal. -
AS 829 0.5 - - 9 - 1.3 - - - - - - - - Bal. SC: 16
AS 805 2.6 - - 7 - 1.3 - - - - - - - - Bal. SC: 5
AS 839 1 - - <25 - <5 - <10 <6 - - - - - Bal. -
AS 850 2 - 0.4 - - - - - - - - - - - Bal. FTC: 50
AS 864 4.5 1 1.6 24 - - - 0.8 0.8 1 - - - - Bal. -
AS 865 5.2 1 0.4 21 - 7 7 1 2 - - - - - Bal. -
AS 868 5 0.8 0.4 38 - - - - - 2 - - - - Bal. -
AS 897 - 0.6 0.4 14 4.5 4.5 - - - 26 2 - - - Bal. Ti2C3: 6
AS 898 1.7 1.6 1.6 26 3 0.8 - - - - - - - - Bal. -
Corrosion Resistant Materials
       
DURMAT® C Si Mn Cr Ni Mo Nb V W B Co Ti Al Cu Fe +
AS 813 0.15 1 1.8 17 12 2.5 - - - - - - - - Bal. -
AS 814 0.15 1 8 18 5 - - - - - - - - - Bal. -
AS 842 0.03 1 2 22 6 3 - - - - - - - - Bal. N: 0.2
AS 852 0.3 0.5 0.3 13 0.5 - - - - - - - - - Bal. P: 0.02
S: 0.02
Wear, Corrosion and Temperature Resistant Materials
           
DURMAT® C Si Mn Cr Ni Mo Nb V W B Co Ti Al Cu Fe +
AS 802 - 1.6 1 30 - - - - - 4.5 - - - - Bal. -
AS 812 - 1.6 1 30 - - - - - 4 - - - - Bal. -
AS 888 0.1 1.3 1 30 - - - - - 3 - - - - Bal. -
AS 880 0.6 1.5 1 20 - - - - - 1 - 3.5 - - Bal. -
AS 890 - - - 25 10 4 - - - 2 - - - 2 Bal. -
AS 896 0.2 1.1 1.2 21 8 3.2 - - - 2.1 - - - 1.9 Bal. -
Special Materials (repair, high temperature corrosion, cavitation)
           
DURMAT® C Si Mn Cr Ni Mo Nb V W B Co Ti Al Cu Fe +
AS 811 0.2 0.3 1.3 - - - - - - - - - - - Bal. -
AS 821 0.3 1.1 1 13 1 - - - - - - - - - Bal. -
AS 810 - 0.5 - 26 - - - - - - - - - - Bal. -
AS 820 - 0.8 - 22 - - - - - - - - 4.5 - Bal. -
AS 836 <0.1 0.6 1 - 36 - - - - - - - - - Bal. -
AS 895 0.3 2.8 10 19 - - - - - - 10 - - - Bal. -

EXAMPLE | DURMAT® AS 812

  • high abrasion resistance
  • Heat resistant up to 870 °C
  • Low friction coefficient
Classification
DIN EN ISO 14919 - 5 - 1.6 - 4
Applications
For the chemical industry etc.
Hardness
1,000-1,150 HV0.1
 

Thermal Spray Wires: Cobalt Base (Co)

Typical chemical composition (in wt.-%)

Cobalt Base (Co)
             
DURMAT® C Si Mn Cr Ni Mo Nb V W B Co Ti Al Cu Fe +
AS 901 2.4 0.7 0.4 29 - - - - 11 - Bal. - - - <3 -
AS 906 1.1 1 0.6 28 - - - - 4.5 - Bal. - - - <3 -
AS 912 1.4 0.8 0.6 29 - - - - 8 - Bal. - - - <3 -
AS 921 0.25 0.8 0.8 27 2.5 5.5 - - - - Bal. - - - <3 -
AS 931 0.5 1 1 26 - - - - 7.5 - Bal. - - - <2 -
AS 936 1 - - 25 10 - - - 8 - Bal. - - - - -
AS 951 - 1.25 - 14 - - - - - 1 Bal. - - - - WC-12Co: 50

EXAMPLE | DURMAT® AS 906

  • Excellent against abrasion and impact wear
  • Corrosion resistant
  • Heat-resisting
Classification
DIN EN ISO 14919 - 7 - 1.6 - 4
Applications
Valve, valve seats, pumps etc.
Hardness
40-43 HRC