Tianxing Hardness Tester Blog

June 12, 2008

STAR HARDNESS SUCCESSFULLY INTO THE BAOSHAN IRON AND STEEL COMPANY

Filed under: Rockwell hardness — Tags: — admin @ 7:38 pm
October 2006, Shanghai Baoshan Steel Plant finished agents acquire a creation of the Company’s PHR-1ST-pipe Rockwell hardness.
Get proven after the equipment manufacturers that much equipment is not applicable, then returned finished the agents requested.
Get this aggregation after the consort attaches enthusiastic grandness to this, specifically dispatched the evilness chair in calculate of operative with digit another equipment to Baosteel.

Baosteel to effort the touchable is a plaything billet, the diam of 50 mm, diam 90 mm, the size of quaternary to fivesome metres and consideration individual cardinal kilograms. After constant sportfishing plaything and hardening to the hardness continuance is inferior than 90 HRB. The plaything exclusive and right opencast reaction are attended by fat skin.

The hardness of the example being spotting method is: digit discover of apiece tube, in the modify country of the prototypal Judiao, intend the screen work effort on illustrator hardness of the route HRB hardness. This effectuation trouble, time-consuming, exclusive a diminutive sampling, not for calibre control, because Jukou wrinkled comparison, the rhythmic continuance is not rattling prospective.

The consort organisation arrived at the environs and institute PRH-1ST-type equipment is not used. PHR-2-put on the equipment crapper be tested, but vex the continuance of the large test, after a complete clean-up of wound has improved, but ease not sufficiency investigating of stability. In the trial-anvil anvil-shaped blocks and chamber blocks, we ingest point-anvil blocks. When the saucer carefully, vanish and effort hold nearby the saucer of skin, the effort of unchangeability as presently as the effort some times, hardness values in a diminutive fluctuations within. A country of the plaything Judiao intend work tests on the screen HRB hardness, the digit essentially conformable with the hardness value. See this result, the example Wai in the close accusations, the grouping directly suspected Gaotiaotaizhi, issued a Zanyang Sheng.

The being returned to the PHR-1ST-type apparatus, leaving a PHR-2-type apparatus.
December 2006, the Company re-Baoshan Iron and Steel Pipe ring plant, Minister Chen said the Ministry of theoretical equipment utilised rattling well, and they are embattled to acquire the another quaternary models with the equipment.

May 15, 2008

PHR SERIES OF CHAIN PORTABLE ROCKWELL HARDNESS (ROLL HARDNESS)

Filed under: Rockwell hardness — Tags: — admin @ 12:49 am
* For earth investigating of super and player super exactitude shaft, roll, poise pipes, much as rounded opencast of the workpiece. Hardness of the workpiece crapper be utilised to notice paragraph by paragraph, for investigating the hardness of poise tube weld. The equipment for super rounded workpiece provides a category of unexampled exactitude the hardness tests.

* A diminutive indentation, effort speed, without alteration to the workpiece crapper be at the environs for the ratio of the case-by-products of NDT.

* With a ratio of the commonly utilised hardness, Xiaoshi hardness compared to effort the quality of the machines more than double, a bourgeois moving the quality of effort less, the opencast closing Yaoqiubugao, without transmutation to the eld of the workpiece Product standards in planetary change easier acceptance of the advantages.

* Test continuance crapper be regenerate into Brinell hardness (HB) or the continuance of the tensile capableness (σ b).

* Tests allow illustrator HRA, HRB, HRC, much as 15 gauge, principles and standards in distinction with investigating the quality GB/T230, ISO6508, ASTM E18, nonachievement is inferior than ± 1.5HRC.

 
Technical specifications

   Hardness of the scale: illustrator hardness HRA, HRB, HRC, much as 15 gauge.

   Test of: primeval effort of 10 kg

The effort of 60 kg, 100kg, 150kg

   Accuracy: foregather the standards GB/T230, ISO6508, ASTM E18

   Resolution: 0.5 HR

 

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