■ purity

E45 method A,A sulfide < 0.5,B oxide,C silicate and D spherical oxide < 1 or DIN 50602-k1 < 10 or as per customer requirements

■ Ultrasonic test

ASTM A388一FBH max．3mm(1/8 inch) or SEP 1921-testgroup3 a class E, E or as requested by the customer

■ Dimension specification

The diameter of the round steel shall be 600mm or the thickness of the module shall be 400mm or as required by the customer

■ polishing

The steel under normal circumstances (without potion) brightness can reach 98%.The polishing process is as follows:

1. Polish the surface with whetstone strips (from coarse to fine) as follows: #400->600->800->1200

2. Sand the surface (coarse to fine) as follows: #1000->1200->1500->2000

3. Polished drill plaster #3->, 1->0.5

All the above procedures have basically achieved the mirror effect. If some part of the effect is found to be not ideal, the problem can be solved by redoing the above procedures.

On July 25, 2018, more than 30 entrepreneurs from fenggang association of foreign invested enterprises in dongguan, under the leadership of President tao weihong, visited our company for exchange and exchange visits.Dongguan chicken post to enterprises with foreign investment can entrepreneurs took a group photo in front of the office July of dongguan, blue skies, scorching, dongguan city association of enterprises with foreign investment of the phoenix hills, entrepreneurs, not afraid of hot scorching sun overhead came to our huaxing long mould steel co., LTD., communication interactive activities, only to the forefront of information and entrepreneurs together with you., general manager of our company chairman Mr Huang Zhonghua and ms Zhang Jinying accompanied by a distinguished, and conducted in-depth talks, and all our quality manager as you explain my agent Germany ge Leeds steel die steel main brands: hot-work die steel EX55, esr, 2343, plastic mould steel 2083 esr, XPM, 2083 hh, etc., as well as our own brand HXL - HE33 H13ESR advantage;Our company adheres to the concept of quality first, adopts advanced spectrometer, flaw detector, hardness meter, microscope, impact testing machine and other high precision instruments, and implements strict quality control procedures;From order receiving to production and delivery, advanced ERP system, rolling assembly line, fast and efficient operation and related processing technology and technical parameters, as well as the industries covered by our products are adopted.After the meeting, the entrepreneurs moved to the production workshop to visit and continue the on-site communication under the guidance of our interpreter.