Flat cast iron weights - customizable production according to user needs

Flat cast iron weights - customizable production according to user needs

Shanghai Xiangxu is committed to creating high-purity lock shaped cast iron weights, flat shaped cast iron weights, round rolled cast iron weights, and various shapes Grey cast iron manufacturing fork lifting dual-use cast iron weights can be customized with special specifications and shapes of cast iron weights
Classification of Cast Iron Weight Materials
According to the different states and forms of carbon in cast iron, cast iron can be divided into:
White cast iron: The majority of carbon exists in the form of cementite, with a bright white fracture surface. The cementite is hard and brittle, and is rarely used in machinery.
Gray cast iron: graphite flakes exist
Malleable cast iron: flocculent mass
Ductile iron: spherical shape
Vermicular cast iron: worm like
The microstructure and properties of gray cast iron

Features: Made of brand new gray cast iron material, with smooth surface treatment without sharp angles or burrs, cast with weight markings, lead injection holes, and black paint anti rust and anti-corrosion treatment on the surface
标准规格： 2000kg、1000kg、500kg、200kg、100kg、50kg、25kg、20kg、10kg、5kg、2kg、1kg
Standard appearance: Lock type, cylindrical type, rectangular type, rolling type, hanging type and other series of standard weights
Surface condition: In order to improve the corrosion resistance and hardness of the weight, an appropriate metal coating or coating should be applied to the surface of the weight.
Maintenance tips for 5kg round cake weights: The warehouse where the weights are placed should be clean and dry, ensuring a certain temperature and humidity. When stacking the weights, a wooden board should be placed at the bottom, and the upper part should be covered with cloth or film. Regular observation and recording are required.

Wc=2.5%~3.6%
1. The organization of gray cast iron
(1) Ferritic gray cast iron - fully graphitized process;
(2) Ferritic pearlite gray cast iron - the two-stage graphitization process is fully carried out, and the three-stage graphitization process is partially carried out;
(3) Pearlite gray bead iron - the two-stage graphitization process has been fully carried out, while the three-stage graphitization process has not been carried out;
2. Performance of gray cast iron
1) The performance of gray cast iron mainly depends on the properties of the matrix and the quantity, shape, size, and distribution of graphite. The properties and application scope of gray cast iron composed of fine-grained pearlite matrix and fine flake graphite.
2) The tensile strength and plasticity of gray cast iron are significantly higher than those of steel with the same matrix, but graphite flakes have little effect on the compressive strength of gray cast iron. Therefore, gray cast iron is widely used as a component that can withstand compressive loads, such as machine bases, bearing seats, etc.
3) Gray cast iron has good casting and cutting properties, and the presence of graphite can play a role in reducing wear and vibration.

Flat cast iron weights - customizable production according to user needs

Metamorphic treatment (inoculation treatment) - inoculation cast iron
1. Deterioration treatment: Add a modifier to the molten iron before pouring to promote grain refinement.
The commonly used modifier is silicon iron containing 75% silicon, and the amount added is generally about 0.4% of the weight of the molten iron.
2. Performance: The strength of cast iron has been greatly improved, and its plasticity and toughness have also been enhanced.
Heat treatment of gray cast iron
The heat treatment of gray cast iron can only change its matrix structure and cannot change the graphite morphology. Therefore, heat treatment cannot significantly change the mechanical properties of gray cast iron, and the low plasticity of gray cast iron makes it difficult to implement rapid cooling heat treatment methods. Therefore, the heat treatment of gray cast iron is greatly limited. Its heat treatment is mainly used to eliminate stress and improve cutting performance.