GB/T11251 1345 Alloy Structural Steel Plate

Introducing our premium GB/T 11251 alloy steel plates, the ideal solution for your structural and mechanical needs. Engineered to the highest quality and performance standards, these hot rolled alloy structural steel plates excel in demanding applications, particularly in the manufacture of bearings and gears for rotating machinery.

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GB/T11251 1345 Alloy Structural Steel Plate Description

Our GB/T 11251 alloy steel plates are made from a carefully formulated blend of premium materials, ensuring outstanding strength, durability and wear resistance. This makes them an excellent choice for industries that require reliable and robust components, such as automotive, aerospace and heavy machinery manufacturing. The unique properties of this alloy steel enable it to withstand high levels of stress and strain, making it ideal for applications where performance and longevity are critical.GB/T 11251 alloy steel plates are versatile and can be easily processed and manufactured to meet specific design requirements. Whether you require custom sizes or shapes, our steel plates can be tailored to your project needs, ensuring seamless integration into your existing systems. In addition, the hot rolling process enhances the mechanical properties of the material, providing superior surface finish and higher dimensional accuracy.With our commitment to quality and customer satisfaction, you can be confident that our GB/T 11251 Alloy Steel Plate will provide the performance you need. We take pride in our stringent quality control measures, ensuring that every steel plate meets or exceeds industry standards.

Product Parameters

Product Name	GB/T11251 1345 Alloy Structural Steel Plate
Production Process	Hot Rolling, Cold Rolling
Material Standards	AISI, ASTM, ASME, DIN, BS, EN, ISO, JIS, GOST, SAE, etc.
Width	100mm-3000mm
Length	1m-12m, or Customized Size
Thickness	0.1mm-400mm
Delivery Conditions	Rolling, Annealing, Quenching, Tempered or Standard
Surface Process	Ordinary, Wire Drawing, Laminated Film

Chemical Composition

Brand	C	Si	Mn	B
45Mn2	0.42-0.49	0.17-0.37	1.40-1.80	-
27SiMn	0.24-0.32	1.10-1.40	1.10-1.40	-
40B	0.37-0.44	0.17-0.37	0.60-0.90	0.0005-0.0035
45B	0.42-0.49	0.17-0.37	0.60-0.90	0.0005-0.0035
50B	0.47-0.55	0.17-0.37	0.60-0.90	0.0005-0.0035

Mechanical Properties

Brand	Yield Strength MPa min.	Elongationmin. %
45Mn2	600	13
27SiMn	550	18
40B	500	20
45B	550	18
50B	550	16

Scope of Application

GB/T 11251 alloy steel plates are widely used in various applications in bearings/gears of rotating machinery. Typical applications such as valve bodies, pumps and fittings, wheels, bolts, studs, gears, high loads of internal combustion engines. Electric locomotives, machine tools, tractors, steel rolling equipment, boring machines, railway vehicles and mining machinery drive shafts on steel balls, rollers and bushings, etc.