What are the implementation standards for hot-rolled stainless steel light channel?

(1) Hot-rolled stainless steel ordinary channel steel (GB707-88) Main use: Ordinary channel steel is mainly used for building structure, vehicle manufacturing and other industrial structures, often used in conjunction with I-beam.

(2) Hot-rolled stainless steel light channel steel (YB164-63) hot-rolled light channel steel is a kind of steel with thin legs and wide wall, which has better economic effect than ordinary hot-rolled channel steel. Its specifications range from 5-40#. In 1966, the specifications of the standard were from 10-40#. Main use: construction and steel frame structure.

ISO Standard Mass Flow Meter

Zhejiang Sealand Technology Co., Ltd. is a trustworthy manufacturer of Mass Flow Meter Coriolis, Flow Meter Coriolis, Mass Flowmeter Coriolis, Mass Meter Coriolis, Meter Coriolis, Flowmeter Coriolis, ISO/ IEC 17025 standard.

Sealand meter is certified by Zhejiang Institute of Metrology. To get such certificate, Sealand has to send all models to Zhejiang Institute of Metrology and all models are tested in their calibration lab. The lab is an ISO/IEC 17025:2005 standard lab approved by CNAS (China National Accreditation Service for Conformity Assessment). CNAS is a member of ILAC (International Laboratory Accreditation Cooperation).

Besides, Sealand has its own calibration lab, equipped with METTLER TOLEDO scales with accuracy 0.014% and the device extended uncertainty is 0.05%. The lab is also approved by Zhejiang Institute of Metrology. This certificate will stay valid only for one year, Zhejiang Institute of Metrology will send their professor to Sealand every year to check and make sure that the lab is qualified still and then issue new certificate. During the production, each meter will be calibrated in this lab for 3 times, each time at 5 different flow rate.

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Zhejiang Sealand Technology Co., Ltd. , https://www.sealandflowmeter.com