How to improve the qualification rate of mechanical properties of nm550

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Our marine steel CCS Grade A hot rolled plates, mechanical properties of NM550 specification available now has 6*3300*4000, 5*1500*4500, 12*2700*9600, 9*3200*10400, 11*1790*7990, 6*3380*4600, 5*1500*11700, 12*2700*9000, 12.5*3390*9260, 13*1750*8400, 7*3620*9700, 12*2500*8350, 14.5*1830*6300, 15*3000*4200, 20*2750*5000, 7*1760*4250, 12*3000*10500, 12*3660*6070, 13*2000*4700, 13*2810*4100, 17*1910*7860, 12*2700*11450, 12*3800*9740.

mechanical properties of NM550, 27SiMn material has high strength and wear resistance, high hardenability, medium plasticity during cold deformation, good machinability and fair weldability. It is mostly used after quenching and tempering, and can also be used in normalizing or hot rolling state. 27SiMn material chemical elements: C: 0.24-0.32, Si: 1.10-1.40, Mn: 1.10-1.40. 27SiMn material mechanical properties: tensile strength 980 MPa; yield strength: 835 MPa; elongation after fracture: 12%; impact energy: 39J. 27SiMn material can be used to make hot stamping parts with high toughness and high wear resistance, which do not need heat treatment or normalizing, such as tractor track pins.

As the boiler steel plate mechanical properties of NM550 is working under medium temperature (below 350 ℃) and high pressure, the boiler steel plate is not only subjected to high pressure, but also subjected to impact, fatigue load and water and gas corrosion. The performance requirements for boiler steel mainly include good welding and cold bending performance, certain high temperature strength, alkali corrosion resistance, oxidation resistance, etc.

Customer first, reputation first, high-quality and perfect after-sales service is the extension of our product value and an important guarantee for the interests of customers. The purpose of our mechanical properties of NM550 service quality management system is to establish and constantly improve a scientific, reasonable and efficient service quality management system, and complete the after-sales service quality guarantee work of customers fairly, accurately and timely, For our company's mechanical properties of NM550 customer service to establish a good, comprehensive, full service system.

S355J2 hot rolled steel plate executive standard: EN10025-2S355J2 hot rolled steel plate delivery status: control binding, normalizing rolling, normalizingThe European standard S355J2 hot rolled steel plate is available from mechanical properties of NM550 stock and can be cut and processed according to the requirements of customers; the futures can be produced according to your requirements, and our S355J2 hot rolled steel plate price is preferential and the delivery time is fast, welcome to contact and purchase.