Grade SPA-C steel for railway rolling stock application

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30CrMnTi steel has higher strength and hardenability than 20CrMnTi steel, but its impact toughness is slightly lower. Mainly used as carburizing steel, it can be quenched directly after carburizing, with high bending strength and good wear resistance. It can be used after quenching, low temperature tempering or quenching and tempering, with medium machinability. 30CrMnTi steel can be used in the manufacture of heavy-duty carburized parts with large cross-sections and gears, gear shafts, worms, etc. with large forces in the tractor industry.

Pressure vessel plate SPA-C steel for railway rolling stock size: 6*2000*10000, 6*2200*10000, 6*2800*12000, 7*2200*8000, 8*2400*12000, 9*2300*6870, 10*2200*8000, 12*1600*10000, 12*2000*11850, 12*2050*5100, 12.5*2900*11000, 14*1950*10800, 16*2100*10650, 16*2150*10000, 16*2150*10250, 0*1750*9100, 70*2260*7240, 70*2260*7700, 75*2390*4320, 80*2200*10000, 80*2250*8850, and 88*3440*9200.

No. 45 steel is commonly used medium carbon quenched and tempered structural steel. The cold plasticity of No. 45 steel is generally better than SPA-C steel for railway rolling stock. Annealing and normalizing are better than quenching and tempering. No. 45 steel has higher strength and better machinability than Q345 steel. After proper heat treatment, it can obtain certain toughness, plasticity and wear resistance. No. 45 steel SPA-C steel for railway rolling stock is suitable for hydrogen welding and argon arc welding, but not suitable for gas welding. Preheating is required before welding, and stress relief annealing shall be conducted after welding.

The company focuses on two markets at home and abroad, and has a group of 56 experienced sales elites and professional and technical personnel. It can provide customers with drawing design, SPA-C steel for railway rolling stock deep processing services and installation solutions. 20 years of project experience has provided high-quality carbon steel, alloy steel products and high-quality after-sales service to customers in many countries around the world. The company has won widespread praise from customers.

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