ຮັບສ່ວນຫຼຸດພິເສດຕາມປະລິມານ, ອັບເດດລາຄາຂາຍສົ່ງ ແລະ ການແຈ້ງເຕືອນສິນຄ້າໃໝ່ສົ່ງກົງເຖິງອິນບັອກຂອງທ່ານ.
ໂດຍການສະໝັກສະມາຊິກ, ທ່ານຍອມຮັບ ເງື່ອນໄຂການໃຫ້ບໍລິການ ແລະ ນະໂຍບາຍຄວາມເປັນສ່ວນຕົວ ຂອງພວກເຮົາ.
ເຂົ້າເຖິງຜູ້ຊ່ຽວຊານທີ່ໄດ້ຮັບການຢັ້ງຢືນຂອງພວກເຮົາໂດຍກົງ
Hardness gauge: Rockwell-15T
Force applications: Direct force
Test force:
Rockwell-Preliminary test force 98.07N (10kg)
Total test force 588.4N (60kg), 980.7N (100kg), 1471N (150kg).
Specimen size:
Min Dia. Of cylindrical specimen: φ3mm
Min ID Of cylindrical specimen: φ30mm
Min ID Of inner wall of circular tube for test of hardness: φ26mm
Min ID Of thin-wall tube specimen φ4.8mm
Min thickness of thin-wall tube specimen 0.15mm
Min thickness of steel plate: 0.15mm
Min thickness of soft metal sheet: <0.1mm
(to min value in product standard)
Max thickness or Dia. of specimen 1", 2", 4", 8".
Accuracy: Meet GB/T230.2-2004; ASTM E18; ISO6508-1.
Opening: 25mm
Depth: 25mm
