Cold drawn steel round bar is produced by cold drawing from hot rolled steel round bar or hot rolled steel wire rod. Our advantages and more services of cold drawn steel round bar includes:
1) Wide range of diameters from 10mm to 150mm
2) Customized Length from 100mm to 12000mm
3) Good surface roughness: 0.4um to 1.6um
4) Good straightness: 0.5mm/m to 2mm/m
5) Good roundness: 80% of diameter tolerance
6) Diameter tolerance: -0.02mm to -0.1mm / h9, h10, h11
7) Matched further processing: Grinding, polishing, straightening
8) Anti-rusty package
9) Full sets of testing equipment: Surface, Dimenstion. Mechanical properties testing
10) Fast delivery time
Cold Drawn Steel Round Bar,Cold Drawn Steel Bright Bar,Cold Drawn Round Steel Bar, Cold Drawn Bright Steel Round Bar, Cold Drawn Round Steel SHANDONG LE REN SPECIAL STEEL CO., LTD. , https://www.lerenspecialsteel.com
1. Description:
Paperboard Burst Strength Test Instrument  in Lab is a new type testing apparatus to test the bursting strength of corrugated boards, which is designed to be in accordance with related ISO international standards and on the principle of modern mechanical design concept and design criterion of human-machine engineering.
PN-BSM600 Burst Tester belongs to electromechanical product which is with novel design, convenience for use, excellent performance and elegant appearance.
PN-BSM600 Burst Tester has abundant functions, such as, parameter testing, parametric transformation, parameter adjusting, parameter memory and parameter print. All are in accordance with related national standards. PN-BSM600 Burst Tester has data processing function which can directly output result of data statistics with convenient operation, easy regulation and stable performance.
PN-BSM600 meets ISO2759.
PN-BSM600 has touch screen operation system, easy operation.
2. Major technical paprameters:
No.
ITEM
SPECIFICATION
1
Power:
AC220V±10%  2A 50Hz
2
Measuring Range:
300~5500kPa
3
Compression rate:
170±15ml/min
4
Resolution:
0.1kPa
5
Accuracy:Â
≥ 99.5 %
6
Diaphragm size: Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â
bulge height: 2.5±0.2mm
bulge diameter: 27.8mm
7
Diaphragm resistance:
When the bulge height is 10mm, the pressure is 170~220kpa
When the bulge height is 18mm, the pressure is 250~350kpa
8
Upper clamp:
31.5±0.05mm
9
Lower clamp:
31.5±0.05mm
10
Hydraulic transducer :
<6000kpa
11
Clamp pressure:
≥690kpa
Â