YB/T 4146 High Carbon Chromium Bearing Steel Seamless Steel Pipe

Instruction

YB/T 4146 High Carbon Chromium Bearing Steel Seamless Steel Pipe

 

Material
The material used in the YB/T 4146 High Carbon Chromium Bearing Steel Seamless Steel Pipe is high carbon chromium bearing steel.

 

Specification
The YB/T 4146 standard specifies the requirements for high carbon chromium bearing steel seamless steel pipes. It provides guidelines for the manufacturing process, dimensions, tolerances, testing methods, and other technical specifications.

 

Chemical Composition
The chemical composition of the YB/T 4146 High Carbon Chromium Bearing Steel Seamless Steel Pipe is as follows:

Element	Composition Range (%)
Carbon (C)	0.95 - 1.10
Chromium (Cr)	1.30 - 1.65
Silicon (Si)	0.15 - 0.35
Manganese (Mn)	0.20 - 0.45
Phosphorus (P)	≤ 0.025
Sulfur (S)	≤ 0.025

 

Mechanical Properties
The YB/T 4146 High Carbon Chromium Bearing Steel Seamless Steel Pipe exhibits the following mechanical properties:

Property	Value
Tensile Strength	≥ 980 MPa
Yield Strength	≥ 835 MPa
Elongation	≥ 12%
Hardness	HRC 58-64
Impact Toughness	≥ 20 J/cm²
Reduction of Area	≥ 45%

 

Steel Grade
The steel grade for YB/T 4146 High Carbon Chromium Bearing Steel Seamless Steel Pipe is designated as GCr15.

 

Application
The YB/T 4146 High Carbon Chromium Bearing Steel Seamless Steel Pipe is primarily used in applications that require high strength, excellent wear resistance, and good dimensional stability. It is commonly used in the manufacturing of bearings, rollers, and other mechanical components subjected to heavy loads and high-speed rotation.