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Rockwell Test Blocks & Indenters

Quality Solutions sells certified ASTM E-18 Rockwell test bocks and indenters for all common Rockwell scales. The blocks are sorted into common whole number hardness ranges for inventory and purchasing purposes so the actual hardness number will be slightly different. Each indenter must be certified for the scale in which it will be used.
Rockwell Indenters
Rockwell Scale Type Part number Shank
Rockwell C Scale Diamond P-054 threaded
Rockwell C Scale, 60° 60° Diamond P-048 threaded
(P-048 is for use with the fully enclosed indenter shrouds, G-022, G-034, G033)
Rockwell C Scale Diamond P-050 standard (Brale)
Rockwell N Scales Diamond P-054 threaded
Rockwell N Scales Diamond P-050 standard (Brale)
C, N, & A Scales Diamond P-054 threaded
C, N, & A Scales Diamond P-050 standard (Brale)
Rockwell B (opt F, G, T) 1/16" Carbide Ball P-008 threaded
Rockwell B (opt F, G, T) 1/16" Carbide Ball P-030 standard (Brale)
Rockwell E (opt H, K, W) 1/8" Carbide Ball P-013 threaded
Rockwell E (opt H, K, W) 1/8" Carbide Ball P-031 standard (Brale)
Rockwell M (opt L, P, X) 1/4" Carbide Ball P-014 threaded
Rockwell M (opt L, P, X) 1/4" Carbide Ball P-032 standard (Brale)
Rockwell R (opt S, V, Y) 1/2" Carbide Ball P-033 standard (Brale)
Brinell HB2.5 2.5 mm Carbide Ball P-009 threaded 040 for std.
Brinell HB5 5 mm Carbide Ball P-010 threaded 029 for std.
Rockwell Test Blocks
Rockwell Scale Part No Indenter Load Hardness Range Material Stock/Special Order
C Scale RC-HI C Diamond 150 Kg 50 and over Steel Stock
" RC-MD C Diamond 150 Kg 35 to 49 Steel Stock
" RC-LO C Diamond 150 Kg under 35 Steel Stock
B Scale RB-HI 1/16" Ball 100 Kg 72.5-77.4 Brass or Steel Stock
" HRB-MD 1/16" Ball 100 Kg 67.5-72.4 Brass Stock
" HRB-LO 1/16" Ball 100 Kg 37.5-42.4 Brass Stock
Hardness Scale Part No. Indenter Load Hardness Range Material Inventory
15N Scale specify N Diamond 15 Kg All Steel special order
30N Scale specify N Diamond 30 Kg All Steel special order
45N Scale specify N Diamond 45 Kg All Steel special order
15T Scale specify 1/16" Ball 15 Kg All Brass special order
30T Scale specify 1/16" Ball 30 Kg All Brass special order
45T Scale specify 1/16" Ball 45 Kg All Brass special order
15W Scale specify 1/8" Ball 15 Kg All Brass special order
30W Scale specify 1/8" Ball 30 Kg All Brass special order
45W Scale specify 1/8" Ball 45 Kg All Brass special order
15X Scale specify 1/4" Ball 15 Kg All Brass special order
30X Scale specify 1/4" Ball 30 Kg All Brass special order
45X Scale specify 1/4" Ball 45 Kg All Brass special order
15Y Scale specify 1/2" Ball 15 Kg All Brass special order
30Y Scale specify 1/2" Ball 30 Kg All Brass special order
45Y Scale specify 1/2" Ball 45 Kg All Brass special order
Hardness Scale Part No. Indenter Load Hardness Range Material Inventory
A Scale specify C Diamond 60 Kg A60 - A84 Steel special order
A Scale specify C Diamond 60 Kg A20 - A59 Brass special order
D Scale specify C Diamond 100 Kg All Steel special order
E Scale specify 1/8" Ball 100 Kg All Brass special order
F Scale specify 1/16" Ball 60 Kg All Brass special order
G Scale specify 1/16" Ball 150 Kg G2.5 - G64 Brass special order
G Scale specify 1/16" Ball 150 Kg >65.9 Steel special order
H Scale specify 1/8" Ball 60 Kg All Brass special order
K Scale specify 1/8" Ball 150 Kg All Brass special order
L Scale specify 1/4" Ball 60 Kg All Brass special order
M Scale specify 1/4" Ball 100 Kg All Brass special order
P Scale specify 1/4" Ball 150 Kg All Brass special order
R Scale specify 1/2" Ball 60 Kg All Brass special order
S Scale specify 1/2" Ball 100 Kg All Brass special order
V Scale specify 1/2" Ball 150 Kg All Brass special order

Rocwell test blocks and Indenters

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