Graphite crucible has excellent performance, small thermal expansion coefficient at high temperature, certain strain resistance to rapid cooling and rapid heating, strong corrosion resistance to acid and alkali solutions, and very high chemical stability,
ASTM A709 Grade 50W equal grade are EN10155 :S355K2G1W,NFA 35-502,E 36 WB 4 .A709 Grade 50W is the specification used for steel plate used in the manufacture of bridges.
Black color stone chips is made of crushing stones ,which is a broad category of coarse particulate material used in construction, including sand, gravel, crushed stone, slag, recycled concrete and geosynthetic aggregates.
Nichrome 30 is an austenitic nickel-chromium alloy (NiCr alloy) for use at temperatures up to 1100℃. The alloy is characterized by high resistivity and good oxidation resistance. It has good ductility after use and excellent weldability.
304 stainless steel mesh screen is commonly used as stainless steel filtration mesh (stainless steel wire, stainless steel flat wire, stainless steel semi-circular wire), beautiful structure, sturdy and durable.Features are not limited by the size of the