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Hot New Products Galvanized Steel Square Pipes - 42CRMO Seamless Steel Pipe – JINBAICHENG

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Hot New Products Galvanized Steel Square Pipes - 42CRMO Seamless Steel Pipe – JINBAICHENG Detail:

Product Introduction

The purpose of 42crmo seamless steel pipe:  The special steel grade for bridges is “42crmo”, the special steel grade for automobile girders is “42CRmo”, and the special steel grade for pressure vessels is “42Crmo”. This type of steel relies on adjusting the carbon (C) content to improve the mechanical properties of the steel. Therefore, according to the level of the carbon content, this type of steel can be divided into: Low carbon steel-the carbon content is generally less than 0.25%, such as 10, 20 steel, etc.; medium carbon steel-carbon content is generally between 0.25 and 0.60%, such as 35, 45 steel, etc.; high carbon steel-carbon content is generally greater than 0.60%. This type of steel is generally not used in the manufacture of steel pipes.

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Seamless pipe7
Seamless pipe6
Seamless pipe1

Material characteristics

No obvious temper brittleness, small deformation during quenching, high fatigue limit and multiple impact resistance after quenching and tempering treatment, good low-temperature impact toughness, high creep strength and lasting strength at high temperature. The steel usually uses surface quenching after quenching and tempering as the heat treatment plan.

Classification

42crmo is a material in steel. In the past, a name for steel. The name is: Q345B, similar materials are Q345a, Q345c, Q345e, the quality grade symbol ABCDE means that the impact test temperature is not required to be +20 degrees 0 degrees -20 degrees 40 degrees ABCD represents the quality level Q235 quality level points There are four levels of A, B, C, D, from A to D that the quality is from low to high.

The requirements for different quality levels are as follows:

A——Provide the chemical composition of S, P, C, Mn, Si and fu, fy, δ5 (δ10), according to the buyer’s needs, 1800 cold bend test can be provided, but there is no impact energy regulation, carbon content and manganese content are not considered delivery conditions.
B——Provide S, P, C, Mn, Si chemical composition and fu, fy, δ5 (δ10), cold bending 180′ test. It also provides the impact energy at +200C, Ak≥27J
C-In addition to the same requirements as Class B, it also provides impact energy Ak≥27J at 00C.
D—-In addition to the requirements of level B, it also provides impact energy Ak≥27J at -200C. E—-In addition to the requirements of level B, it also provides impact energy Ak≥27J at -400C.

application

Where 42crmo seamless steel pipes and ordinary steel pipes are applicable respectively: The steel pipes are divided into cold drawn and hot rolled.

1, Ground seam steel pipe for fluid: GB8163-2018
2, Seamless steel pipe for boiler: GB3087- 2018
3. High pressure seamless pipe for boiler: GB5310-2018 (ST45.8-Ⅲ type)
4. High-pressure seamless steel pipes for fertilizer equipment: GB6479-2018
5. Seamless steel pipe for geological drilling: YB235-70
6, Seamless steel pipe for oil drilling: YB528-65
7, Seamless steel pipe for petroleum cracking: GB9948-2018
8. Special seamless pipe for oil drill collar: YB691-70
9, Seamless steel pipe for automobile half shaft: GB3088-2018
10. Seamless steel pipe for ships: GB5312-2018
11. Cold-drawn cold-rolled precision seamless steel pipe: GB3639-2018
Various alloy pipes 16Mn, 27SiMn, 15CrMo, 35CrMo, 12CrMovG, 20G, 40Cr, 12Cr1MoV, 15CrMoG steel pipes are divided into seamless steel pipes and welded steel pipes according to different production processes.

Seamless steel pipes are seamless steel pipes made from steel ingots, billets or steel rods perforated.


Product detail pictures:

Hot New Products Galvanized Steel Square Pipes - 42CRMO Seamless Steel Pipe – JINBAICHENG detail pictures

Hot New Products Galvanized Steel Square Pipes - 42CRMO Seamless Steel Pipe – JINBAICHENG detail pictures

Hot New Products Galvanized Steel Square Pipes - 42CRMO Seamless Steel Pipe – JINBAICHENG detail pictures


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continue on to further improve, to make sure product top quality in line with market and consumer standard requirements. Our firm has a excellent assurance program have already been established for Hot New Products Galvanized Steel Square Pipes - 42CRMO Seamless Steel Pipe – JINBAICHENG , The product will supply to all over the world, such as: Ghana, France, Bangalore, In order to meet more market demands and long-term development, a 150, 000-square-meter new factory is under construction, which will be put into use in 2014. Then, we shall own a large capacity of producing. Of course, we will continue improving the service system to meet the requirements of customers, bringing health, happiness and beauty to everyone.
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