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: 午夜精品久久久久久久久久久久 | 色婷婷精品国产一区二区三区 | 亚洲国产成人精品女人久久久 | 18在线观看 | 五月天社区 | 国产做受高潮 | 成人免费视频网站 | 99久久精品国产毛片 | 天天操天天操天天操 | 国产精品9999 | 欧美亚韩一区二区三区 | 深夜福利网站 | 亚洲爆乳无码一区二区三区 | 给我免费观看片在线电影的 | 蜜桃成熟时3d | 欧美人妖老妇 | 少妇高潮灌满白浆毛片免费看 | 亚洲一卡二卡 | 调教小荡货h办公室打屁股视频 | 中文字幕免费高清 | 日韩成人精品 | 欧亚乱熟女一区二区在线 | 四虎免费视频 | 国产欧美日韩在线 | 精品视频在线观看 | 欧美一二区 | 特级丰满少妇一级aaaa爱毛片 | 日韩欧美一区二区三区 | 性爱视频免费 | 精品交短篇合集 | 校花喂我乳还玩我视频 | 欧美日韩三级 | 黄色一级视频 | 欧美一区二区三区视频 | 性xxxx| 国产精品一二三区 | 好大好紧好硬好硬口述 | 成人无码视频 | 欧产日产国产精品98 | 精品蜜桃一区二区三区 | 国产又黄又爽 | 欧美日韩国产在线观看 | 久久久久麻豆v国产精华液好用吗 | 麻豆影视 | 黑料网在线观看 | 亚洲视频二区 | 精品视频 | 精品视频在线播放 |