Professional manufacturer of Hard chrome rod for hydraulic, founded in 2004, major in honed tube, hydraulic tube, chrome rod, chrome bar, chrome shaft, at present we are biggest manufacturer and wholesaler in north of China.
Forged hard chromed finished piston rod
Process: ingot → heat → forging → heat treatment (normalizing + tempering) → inspection → rough machining → UT → 2nd heat treatment → finishing machining → inspection → Peeling – Straightening – Heat treatment – Grinding 3 times – Straightening – Grinding 2 times – Polishing Ra0.2 – Chrome plating – Polishing Ra0.2 – Finished products
Heat treatment: Normalized / Annealed / Quenched / tempered
Delivery condition: Hot forged + Rough machined (black surface after Q/T) + Turned (optional)
Inspection Equipments: Metallurgical analysis, Tensile strength tester, Hardness tester, Altimeter, Scale Micrometer, pressure tester, etc.
Material: carbon steel or alloy steel
We are sure that you will find a great satisfaction with our qualified products on this business field.
We are one of biggest manufacturer in China. Raw material is mainly from famous refinery steel mills, such as BAO STEEL, Tianjin, and Chengdu etc., which are the best and largest raw material manufacturers in China. we have been passed ISO9001:2000 international quality system certification.