
1020/1035/1045/4140/SCM440/4340 professional hot forging steel rings
Applications | Water works, Shipbuilding industry, Petrochemical & Gas industry, Power industry, Valve industry,and general pipes connecting projects etc. |
Material | alloy steel, carton steel or stainless steel |
Equipment | From simple 2-axis turning to 7-axis, turn-mill-drill CNC Swiss-type/machines, we are equipped with a full line of CNC equipment from the following manufactures:/molding machines/ stamping machines/automatic lathe machines/ spring machines, and so on. |
Process | Ingot → heat → hot forging → heat treatment(normalizing+tempering) → inspection → rough machining → UT → 2nd heat treatment → finishing machining → inspection |
Heat Treatment | Normalization , quenching and tempering, Case Hardening, Nitriding, Carbon Nitriding, Induction Quenching |
Surface treatment | Heat treatment, Polishing, shot blasting, Painting, Electro-plating, Chemical Plating |
Technical | Forged |
Inspection | Material Certificate; Test Report; Compliance Statement; Dimension & Visual Inspection Report; Heat Treatment Charts; Magnetic Particle Inspection; Brinell Hardness; Ultrasonic Inspection; Low Temperature Impact Tester |
Dimension | OD up to 8,000mm; ID up to 7,800mm; Thickness up to 500mm |
Tolerance | ±0.0002 in ±0.0051 mm |
Packing | Wooden case or according to customers' requirement |
Delivery time | Within 3-10 days. |
Skype | Erichuang20111 |
Dimension
OD up to 8,000mm; ID up to 7,800mm; Thickness up to 500mm
Random high
Our Services
Third Party inspection acceptable. such as SGS, BV etc.
Supplying financial support with usance L/C 180 days after B/L date.
Please feel free to contact us again if you have any further questions. We look forward to receiving an order from you.
SHANGHAI UNITE STEEL
We, Shanghai Unite Steel are committed to integrate engineering steel resources in china and serve the global engineering steel market. Our company has more than 15 years of experience in steel researching, production, managing and sales. And our team mostly are based on and worked in national famous steel enterprise.
In the aspect of resources and information, we have established cooperative and stronger relationship with nearly hundred enterprises, either state-owned or private owned in china, such as: DAYE Special Steel-a famous steel enterprise with the longest steelmaking history; BAO Steel, and Dongbei Special Steel Group-the biggest special steel manufacturer; TPCO, VALIN-largest seamless steel tube production enterprise; What's more, we have built long, deep and close business relationship with dozens of steel companies, Sharing and holding equities with several steel enterprises. Because of the close cooperation with steel companies and our pioneering spirit, which can ensure us stay at the top competition, and ensure our customers get what they really want!