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YAMAMOTO - Hardness Test Block
YAMAMOTO - Hardness Test Block Hardness Testing Melaka, Malaysia, Ayer Keroh Supplier, Suppliers, Supply, Supplies | Carlssoon Technologies (Malaysia) Sdn Bhd
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Yamamoto_Hardness_Blocks.pdf (459.8 KB)
YAMAMOTO - Hardness Test Block
Brand: Yamamoto - Japan


Rockwell Blocks (64mm diameter)
Scale Nominal Hardness Value Variation
HRA 56, 65, 71, 75, 78, 81, 83, 85, 87 +0.3
HRB 32, 42, 52 +0.5
HRB 62, 72, 82, 90, 95, 100 +0.4
HRC 10, 20, 25, 30, 35, 40 +0.15
HRC 45, 50, 55, 60, 62, 64, 67, 70 +0.1
HR15N 75, 80, 85, 87, 90, 92 +0.45
HR30N 41, 50, 60, 67, 73, 78, 81, 83 +0.45
HR15T 78, 82, 87 +0.5
HR30T 32, 42, 52, 62, 72, 78 +0.5
HRE 90 +0.5
HRL 92, 118 +0.5
HRM 67, 107 +0.5
HRR 105, 123 +0.5

Rockwell Blocks (51mm diameter)
Scale Nominal Hardness Value Variation
HRC 20, 25, 30, 35, 40, 45 +0.15
HRC 50, 55, 60, 62, 64, 67 +0.1
 
Brinell Blocks (115mm diameter)
Scale Nominal Hardness Value Variation
HBW30 150, 180, 200, 229, 250, 300, 350,
400, 450, 500, 550, 600		 +0.7%
HBW5 100, 125 +0.7%

Micro Vickers Blocks (25mm diameter)
Scale Nominal Hardness Value Variation
HV 100, 200, 300, 400, 500, 600, 700
800, 900		 +2.5%

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