GBT 45Mn Chemical Composition

GBT 45Mn Chemical Composition

1, 45Mn steel plate introduction

45Mn is a high manganese content of high-quality carbon steel, commonly known as manganese steel, mechanical properties are better, generally directly do mechanical parts.

2, 45Mn steel plate implementation standard: GB/T 711 and WTB

3, 45Mn steel plate delivery status: hot rolled or heat treatment (annealing, normalizing or high temperature tempering) state of delivery.

4, 45Mn steel plate size, shape, weight and allowable deviation

45Mn steel plate size, shape, weight and allowable deviation application in accordance with GB/T709 regulations.

5, 45Mn steel smelting method

45Mn steel is smelted by oxygen converter or electric furnace.

6, 45Mn steel plate ultrasonic detection

After negotiation between the supply and demand parties, the steel plate can be ultrasonic tested according to GB/T2970.

7, 45Mn steel plate chemical composition

8, 45Mn steel plate mechanical properties

9, 45Mn steel plate main performance and application range

45Mn carbon tempered steel, strength, toughness and hardenability are higher than 45 steel, tempered treatment can obtain better comprehensive mechanical properties, cutting performance is good, but poor welding performance, low cold deformation plasticity, temper brittleness tendency, generally used in the tempered state, can also be used in quenching and tempering or normalizing state. Used to manufacture worn parts, such as rotating shafts, mandrels, crankshafts, spline shafts, connecting rods, universal joint shafts, engaging rods, gears, clutch discs, bolts, nuts, etc.

Applications:
- Gears
- Shafts
- Other mechanical parts requiring high strength and wear resistance.

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