4130 Seamless Alloy Steel Tube has high strength, high toughness, high hardenability.The critical hardenability diameter in oil is 15~70mm. The thermal strength of steel is good, with sufficient high temperature strength below 500℃, but at 550℃ Its strength is significantly reduced. When the alloy element is at the lower limit, the welding is quite good, but when the alloy element is close to the upper limit, the weldability is medium, and it needs to be preheated to above 175℃ before welding. The steel has good machinability and medium plasticity during cold deformation. The range of 300~350℃ has the first type of temper brittleness.
Product name: ASTM A519 Gr4130
Package: Wooden box or to the customer
Type:Welded and seamless
Round tube blank → heating → piercing → heading → annealing → pickling → oiling (copper plating) → multi-pass cold drawing (cold rolling) → blank tube → heat treatment → straightening → hydraulic test (flaw detection) → marking → entering Library
The outer diameter of hot-rolled seamless pipe is generally greater than 32mm and the wall thickness is 2.5-200mm. The outer diameter of cold-rolled seamless steel pipe can reach 6mm and the wall thickness can reach 0.25mm. The outer diameter of thin-walled pipe can reach 5mm and the wall thickness is less than 0.25mm. Rolling has higher dimensional accuracy than hot rolling
4130 Seamless Alloy Steel Tube used in petrochemical, oil and gas exploitation, power plant desulfurization, biomedicine, aerospace, nuclear equipment, shipbuilding, communications and electronics and other industrial fields. Our company can provide product technical support and services for these fields in high temperature and high pressure, special media, and corrosion resistance.
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