1. 15CrMoR is steel for pressure vessel. Cr-Mo steel is the widely used hot and hard steel and hydrogen resistant steel in the world. Because the alloy elements such as Cr and Mo are added into the low carbon steel, the comprehensive properties of the steel are greatly improved. Such as good mechanical properties at high temperature, oxidation resistance, corrosion resistance, good toughness, weldability and process performance, it is widely used in large equipment manufacturing, petrochemical, nuclear power, coal, thermal power steam turbine cylinder such as the use of harsh conditions, the corrosive medium complex. In the past, most of this type of steel relied on foreign imports. Wugang company as a domestic research and production base of large and medium-sized board, in order to break the foreign monopoly and revitalize the national industry, to achieve the localization of Cr-Mo steel plate.

Petroleum and petrochemical industry, chemical equipment manufacturing enterprises, power plant construction, boiler and pressure vessel manufacturing enterprises to cooperate with Wugang 15CrMoR production for the production of reactor, heat exchanger, separator, tank, oil tank, liquefied gas, nuclear reactor pressure vessel, liquefied petroleum gas cylinder, hydraulic turbine volute, the petroleum chemical industry, coal conversion, nuclear power, thermal power, steam turbine cylinder etc. the use of harsh conditions, including large equipment corrosion medium complex such as: washing tower, second transform furnace, coke tower, desulfurization tank, waste heat boiler, methanation furnace, reactor, regenerator, hydrogenation reactor, methane heater, steam generator and other equipment the construction of component manufacturing project, the extensive use of 15CrMoR or 15CrMoR (H), hydrogen 15CrMoR million tons of steel. The prospects for exports to the United States, Canada, Australia, India, and Europe are promising. More than 20000 tons of European customers are already available.

Mechanical properties of two and 15CrMoR

Plate state

Mechanical properties and cold bending properties

Plate thickness (mm)

tensile strength

Yield strength

elongation

temperature

Impact energy

Cold bending test 180 degree b=2a

Normalized and tempered

From 6 to 60

450-590

More than 295

More than 19

Twenty

More than 31

D=3a

>60 to 100

More than 275

>100-150

440-580

More than 255

project

numerical value

Company

Room temperature tensile Rm

The thickness of less than 100mm

450~590

MPa

>100~150mm

440~580

Room temperature tensile Rp0.2

The thickness of less than 100mm

More than 295

MPa

>100~150mm

More than 255

Room temperature tensile

More than 19

%

Tensile shrinkage at room temperature Z

More than 45 (applicable to garden tensile test)

More than 40 (for plate test)

%

0 degrees C Charpy Notch (V)

The average value is more than 55

J

Tensile yield at elevated temperature Rp0.2

See technical specifications

MPa

Room temperature bending test

D=2a

Maximum analog post weld heat treatment and minimum simulated post weld heat treatment perform the following processes:

Max.PWHT:: 690 + 10 degrees C * 18 (0) H

Min.PWHT:: 690 + 10 degrees C * 6h (0)

Plate mark of steel plate: the regulation of GB713-2008.

Three. The physical properties of Wugang hydrogen 15CrMoR steel plate (simulated after welding heat treatment):

Plate thickness (mm)

Room temperature tensile

10 degrees

Akv

(J)

High temperature tensile

Cold bending 180 degree C

Rp0.2 (MPa)

Rm (MPa)

A

(%)

Z

(%)

temperature

C

Rp0.2 (MPa)

Thirty-two point five

335-375

515-550

25-34

70-77

121-180

Four hundred and fifty

245-280

intact

Forty-six point five

305-325

515-520

30-33

69-71

138-293

Four hundred and fifty

240-270

intact

Four, 15CrMoR features

1, steel purity: P0.010%, S0.005%, [N]70ppm, [O]15ppm, [H]2ppm, steel inclusions, total amount of 20ppm high purity steel.

2, good toughness and weldability.

3, leading heat treatment technology: normalizing, quenching, tempering, quenching and tempering and other heat treatment.

4, significantly improve the plasticity and impact toughness of steel, and improve the anisotropy of steel.