40Cr Cold Drawn Seamless Steel Pipe

Introduction

40Cr seamless steel pipe is a high-quality carbon structural steel with high strength and toughness. This steel pipe is widely used in fields such as automobiles, machinery manufacturing, and petrochemicals. It has excellent mechanical properties such as high strength, wear resistance, and corrosion resistance. 40Cr seamless steel pipes are manufactured using advanced cold drawing or hot rolling processes, with smooth surfaces and dimensions that can meet the needs of various complex projects. The product undergoes strict quality testing to ensure that every steel pipe meets national standards, making it an ideal material choice for various industrial projects.

 

Features of 40Cr seamless steel pipes

1. High strength and high toughness: 40Cr cold drawn seamless steel pipe is made through cold drawn process, with high strength and high toughness, which can meet the application requirements of various harsh working environments.

2. Excellent fatigue resistance: 40Cr cold drawn seamless steel pipe has excellent fatigue resistance, and is widely used in fields of automobiles, machinery, hydraulics, and ships, etc.

3. Good corrosion resistance: 40Cr cold drawn seamless steel pipes have excellent corrosion resistance, especially in harsh environments. Its excellent acid and alkali resistance and high precision inner wall ensures smooth and unobstructed fluid transmission, extending the service life of equipment.

4. High precision and smooth surface: 40Cr cold drawn seamless steel pipe has high dimensional accuracy and smooth surface, it is suitable for machine parts and hydraulic equipment that the high dimension accuracy is required.

 

Specifications

Product name	Cold Drawn Seamless Steel Pipe
Place of origin	China
Execute Standard	GB/T 3077
Material grade	40Cr
Production technique	Cold drawn process
Outer diameter	25mm-426mm (customizable)
Wall thickness	3mm-40mm (customizable)
Length	3m-12m or customized length
Delivery condition	Quenching and Tempering treatment

 

Chemical compositions %

Steel grade	C	Si	Mn	Cr
40Cr	0.37-0.44	0.17-0.37	0.50-0.80	0.80-1.10

 

Mechanical properties

Steel grade	Tensile strength,min(Mpa)	Yield strength,min(Mpa)	Elongation,min(%)	Impact energy(J)
40Cr	980	785	9	47

 

Heat treatment

After undergoing quenching and tempering treatment, the mechanical properties of 40Cr seamless steel pipes will significantly increase. The tensile strength can reach 980 Mpa or more, and the yield strength can reach 785 Mpa or more.

Steel grade	Quenching		Tempering
	Temperature	Cooling	Temperature	Cooling
40Cr	850℃	Oil	520℃	Water, Oil

 

Product show

The surface of 40Cr cold drawn seamless can be polished into bright surface, the surface is more smooth, without pit or rust.

 

Our advantages

1. Fast delivery: After receiving your detailed requirements, we can rapidly pick up the steel pipes from other factories. Steel pipes can be shipped in a short time, and the delivery is very fast.

2. High quality products: Our steel pipes come from top manufacturers and suppliers in China. The quality is very high.

3. Small order and trial order can be accepted by us.

4. One-stop service: In addition to the steel pipes, we can also provide their fittings to clients. We will do our best to meet your all needs, saving your valuable time.

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