欧美丰满大乳-亚洲精品中文字幕乱码三区91-日韩影音-91视频久久-欧美1区2区3区-91在线无精精品入口-午夜性做爰电影-浪荡女人在线观看-日本久久爱-337p粉嫩色噜噜噜大肥臀-一区精品视频-99热热久久-女人十八岁毛片-亚洲三级久久-亚洲成年人在线-日韩中文字幕视频在线观看-一级黄色大全-成人短视频在线免费观看-乌克兰少妇性做爰-精品国产一区二区三区久久久蜜臀-免费日韩一区二区-黄色小说网站在线观看免费-亚洲天堂男人av-国产成人日韩-av成人在线网站-99色综合网-毛片毛片毛片毛片毛片毛片毛片毛片毛片-天天综合天天添夜夜添狠狠添-天堂av亚洲av国产av电影-欧美肥妞

What are the steel balls used in the laboratory?

2025-08-01

The Impact Test Steel Ball is mainly used to determine the shell mechanical strength of appliances. The shells of the appliances should be sure that it can not appear the danger within the scope of the standard ranges when operating.it is suitable for the appliances which surfaces of shells are damaged and will contact with the hazardous parts, and also suitable for testing mechanical strength of glass,PVC ,ceramics and so on.

The specification of the impact test steel ball:

weight

tolerance

material

hardness

227g

±5%

G20CrNi2Mo

HRC68-75

500g

±5%

G20CrNi2Mo

HRC68-75

535g

±5%

G20CrNi2Mo

HRC68-75

1040g

±5%

G20CrNi2Mo

HRC68-75


2,Method of Application

Lift the steel ball up to the appropriate height , perpendicular to the sample surface,and then release the ball impact samples.

Energy(J)=weight (kg)*gravity acceleration*high(m) the following table g =9.783

Energy

0.14J

0.20J

0.35J

0.50J

0.70J

1.00J



height

Steel ball 227g

63mm

90mm

157mm

225mm

315mm

450mm

Steel ball 500g

28mm

41mm

71mm

102mm

143mm

204mm

Steel ball 535g

27mm

38mm

68mm

95mm

137mm

190mm

Steel ball 1040g

14mm

20mm

34mm

49mm

69mm

98mm

3,Note:

■ The steel ball needs to be coated anti-rust oil to storage after

testing

■ Pay attention to protection work to prevent injury when testing.

■ Please put on protective goggles when testing the fragile

Sample.

1.png

SHENZHEN BONAD INSTRUMENT CO.,LTD, is a high-tech company in China, BONAD quality system has been strictly certified by ISO9001:2015. As a CIE Membership.

Our main products are Test Equipment, Electrical Safety Tester, Environmental Chamber, Temperature Chamber, Climate Chamber, Thermal Chamber, Salt Spray Test, Dust Test Chamber, Waterproof Test, accessibility test probe and test finger, Glow Wire Test and Needle Flame Test,freezing load test package, soil moisture sensor, all kinds of gauges and so on.

BONAD have gathered lots of experienced researchers and administrators on this field. BONAD products are manufactured strictly in accordance with various EN, IEC, CE, UL, VDE, VS, JIS, ISO, CEE, BS, FMV, GB and other similar international standards. All products can pass CE certificate and authenticated by the third party lab.

Please feel free to contact us if you need any support.

sales Dep:Alice@szbonad.com,

Cell/WhatsApp:+8613380391156


主站蜘蛛池模板: 国产一区二区不卡 | 草莓视频www.5.app | 无码精品一区二区三区在线 | 91在线网站 | 免费的毛片 | 全部裸体做爰大片 | 国产成人在线视频 | 成年人在线观看视频 | 黑巨茎大战欧美白妞 | 久久久久久久 | 日韩高清国产一区在线 | 99re视频 | 欧美午夜剧场 | 小受受扒开屁股挨网站 | 欧美日韩国产在线 | 久久99视频 | 久久免费精品视频 | 91嫩草欧美久久久九九九 | 打屁股sp惩罚调教视频 | 日本黄色小视频 | 少妇熟女视频一区二区三区 | 麻豆传媒网站 | 91调教打屁股xxxx网站 | 欧美大片在线看免费观看 | 草莓视频成人 | 精品人妻少妇嫩草av无码专区 | 美女一级片 | 中国色老太hd | 一级a毛片| 香蕉国产 | 久久国产精品视频 | 精品人妻一区二区三区日产乱码 | 在线观看成人 | 国产一区二区av | 好吊视频一区二区三区 | 欧美精品久久久久 | 久久神马 | 免费在线观看视频 | 天美传媒在线观看 | 国精产品一区二区三区 | 欧美性猛交69 | 艹b视频 | 亚洲色图15p| 国产高清一区二区 | 91涩漫成人官网入口 | 婷婷五月花 | 青草网 | 青娱乐极品盛宴 |