Ductile cast iron
is through get spheroidal graphite spheroidization and inoculation, effectively improve the mechanical properties of cast iron, especially improve the plasticity and toughness, and the strength is higher than carbon steel.
How to check the quality of dongguan nodular cast iron?
1, mold management, mold should be very good repair and maintenance, can't with obvious defects, so as not to affect the surface quality.
2, production capacity, there should be a large enough warehouse to store the routine use of fitting, the inspection record of purchaser shall lay emphasis on this problem and ability to timely delivery is very important.
3, material use should be stable and clean.
Some manufacturers use recycled materials to reduce costs too much, will inevitably lead to quality problems.
4, nodular cast iron weight control system, the process shall guarantee the tolerance of the weight of the pipe in the standard range.
5, size detection, each the size of the ductile iron should be checked using a standard measuring tool, in order to meet the prescribed tolerance.
6, hydrostatic test, each a nodular cast iron, regardless of its size, pipe diameter, water pressure test shall be conducted or equivalent effect test.
7, anticorrosive layer, the thickness of the internal and external anticorrosive coating shall meet the requirements of the standard.
Xin, Johnson was founded in 2012 on April 8, the transportation is convenient in: guangzhou, high-speed, high-speed Shen Hai, same highways as well.
Is a company specializing in the production of cast copper, cast iron, cast aluminum manufacturers.
have manifold cast iron suppliers
effects, ranging from cast iron company to cast iron company.
Guangzhou Xinerxun Metal Trading Co., Ltd. also values the time, skills, and expert opinions of our staff. We are committed to providing fair and living wages, reasonable, structured work schedules, and clear duties and spheres of rights and responsibilities for each team member.
It is never too late to have a new mindset and to get things moving in the right direction. Choose Guangzhou Xinerxun Metal Trading Co., Ltd. to be your quality provider.