Cooperated with Yangzi petrochemical on Hastelloy c276 bolts and nuts :
our hastelloy c276 bolt are nuts are adopted professional warm upsetting and other processes, with good property of corrosion resistance and strong hardness.Raw material they used in Their Ethylene plant are oil or gas, mainly process high purity Ethylene or Propylene, so the hastelloy c276 bolts and nuts must be of high quality.After study many hastelloy c276 bolts screws nuts factory, they think our products meet the requirements. Finally we deal on this cooperation. we becomes their supplier.
A453 GR660 bolts and screws with good property in high temperature resistance.
To process 1.4980 A453 GR660 hex bolt and stud bolts ,we use round bar as raw material ，after peeling and hot forging with CNC lathe, then punching, thus have a good forging structure.finally in line with their quality standard to get the order.
Alloy926 1.4529 bolts and nuts have good resistance to pitting and crevice corrosion
1.4529 hex bolt and nut can effectively resist the corrosion of chloride ions in the halide medium and the acidic environment containing hydrogen sulfide, and has good stability. alloy926 bolts and nuts can be used in the manufacture of pressure vessels at -196 to 400 degrees Celsius. Our 1.4529 bolts and nuts satisfied with the quality for Desulfurization and denitrification, so they finally choose us to provide fasteners for this big plant.
Duplex 2205 hex bolts and nuts provided to Mixer plant.
Duplex 2205 bolts and nuts consist of 21% Cr, 2.5% Mo.and 4.5% Ni and N alloy. It has good property of corrosion resistance and impact toughness, better than 316L and 317L. This client is automation research and design institute, a scientific enterprise in industry of chemical equipment , material and corrosion, online analysis instrument and attend in the design of environmental equipments, their mixers have strict quality requirements on fasteners, after many times communication, we finally become supplier of their mixers.