How is Rockwell Hardness Measured

Brief Introduction:

This instrument is in accordance with the Rockwell measuring principle.it can do the testing of Rockwell hardness directly.It has the feature of easy operation,stable reading,convenient maintenance.This instrument is the new design loading and unloading easy operation all-in-one machine,improve the operation procedure compared to the old products HR-150A.which makes machine more stable,durable,and efficient.

Application:

Ferrous metal,non-ferrous metal,non-metal materials;

Quench,tempering.,etc heat treatment materials;

Tempered steel,annealed steel,quenched steel,surface hardened steel,chill casting,forging,hard alloy steel,aluminum alloy,bearing steel,hardened sheet steel.

Features:

• Accurate data,high testing efficiency.
• Leverage of loading,manual operation,durability and reliability
• Non-friction spindle,high accuracy.
• HRA,HRB,HRC scale can be read directly through dial plate.other Rockwell scale is available.
• Adopt precision oil pressure buffer,loading speed is adjustable.
• Mechanical manual testing process.no needs electric controlling.
• Widely apply to quality monitoring on production site.good working environment adaptability
• 8. The accuracy is in accordance with GB/T230.2,ISO 6508-2 and US ASTM E18.

Main Technical Specification:

• Measuring range:20-88HRA,20-100HRB,20-70HRC
• Testing force:588.4,980.7,1471N(60,100,150kg)
• Allowed maximum height of testing specimen:170mm
• Distance from centre of pressing head to machine wall:135mm
• Hardness resolution:0.5HR
• Exterior size:466*238*630mm
• Weight:Around 75kg
  

Main Accessories:

Big testing table:one pcs;diamond circular cone indenter:one pcs;

Small testing table:one pcs;1/16’’stell ball indenter:one pcs;

V shape testing table:one pcs;standard rockwell hardness block:5 pcs.

Items will be shipped out within 5 days upon verification payment.

As leading manufacturer,we guarantee below:

• 100% Competitive price    we are the original manufacturer of densimeter for years, the large scale production make our products more competitive, that’s the reason we are very confident to offer the most possible competitive price for the same level testing instruments in the world.
• High quality standards   we have the powerful professional researching and technology team to support quality;Our quality has been proved by the good market reaction for years;Our product are built to meet the industrial standards and global standards;Every instrument get checked and approved by our QC before delivery.
• Faultless service   we have the professional customer service team to provide the one to one service for you;we can help you to enjoy the one-stop service without any worries;we have the completed after-sales service policy and quality insurance policy;we guarantee instruments for one year and life-long maintenance(Gold Purity Tester for two years)
• Efficient logistics   we have the stable partner to help us to deliver the goods to the any corner of the worldwide shortly.Air shipment;International express:DHL/UPS/FEDEX/TNT(5 days to 7 days)
• OEM service   We are the original manufacturer of densimeter,that is verified by the third party and Alibaba on site;We can provide you OEM service and print your logo on the instruments.

1.Quality Insurance