Yamamoto Scientific Tool Research Institute HRBS-90 Hardness standard block Brinell hardness 90

Manufaturer:	Yamamoto Scientific Tool Research Institute
Model:	HRBS-90

Product code

111-66709

Price 183.64 USD

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Description

The high-precision hardness standard blocks are ISO/JIS compliant standard test blocks for indirect verification of hardness gauges, which are used all over the world due to their reference values based on the international standard for hardness uniformity developed in Japan and recognized worldwide.
Compliant with JIS and ISO standards, our high-precision hardness standards are based on the motto of "zero variation" and "measure with peace of mind," and are highly trusted and highly evaluated both at home and abroad for their 1) high uniformity, 2) stability, and 3) international and universal standard values. (ISO9001 (JQA-2078) and JCSS (NO.0149) HRC hardness standard block certification obtained)
Hardness type: HRBS (Rockwell)
Standard nominal hardness: 90
Compliance standard: JIS B 7730
Number of measurement points (n): 10 (5 x 2)
Variation tolerance (R=Max-Min): 0.8
Measuring surface finish: Plate lapping
Nominal hardness range: ±2
Size: φ64×10
Material: SK85