What kind of material is 14Cr1MoR? Analysis of chemical composition and mechanical properties of 14Cr1MoR

14Cr1MoR What material is it ,14Cr1MoR Analysis of chemical composition and mechanical properties

 

14Cr1MoR It is a kind of alloy structural steel .

Cr、Mo It's the chemical element chromium 、 Abbreviation of molybdenum ,R It's a container plate “ Rong ” The first letter of Pinyin

Wuyang Iron and steel sun fan

14Cr1MoR Chemical element composition ：

C	Si	Mn	P	Cr	Mo	Ni
0.05%-0.17%	0.50%-0.80%	0.40%-0.65%	0.010%-0.012%	1%-1.5%	0.45%-0.65%	0.20%-0.25%

14Cr1MoR Mechanical properties

Steel plate thickness /mm	Tensile strength R/(N/)	yield strength R/(N/)	Elongation A/%	temperature /	Shock absorbs energy KV2/J	180° Bend test Bending diameter （b≥35mm）
6-100	520-680	≥310	≥19	20	≥34	d=3a
>100-150	510-670	≥300	≥19	20	≥34	d=3a

Electric furnace +LF/VD Refining method smelting .

14Cr1MoR Steel plate is suitable for petrochemical industry 、 Nuclear power 、 Turbine block 、 Thermal power and other high temperature and high pressure 、 Large equipment connected with hydrogen or hydrogen mixed medium . This steel belongs to Cr-Mo Hydrogen resistant steel . Wuyang Steel works produces this kind of steel in China .

Delivery status

Pre conditioning before delivery （ Tempering or normalizing + Temper ） state . Factory hardness ： The surface hardness of steel plate when leaving the factory 270-340HB Brinell hardness .

Executive Standards ：GB713-2008

14Cr1MoR、12Cr2Mo1R Steel plate is suitable for petrochemical industry 、 Nuclear power 、 Turbine block 、 Thermal power and other high temperature and high pressure 、 Large equipment connected with hydrogen or hydrogen mixed medium .

Production process

Wugang hydrogen resistant Cr-Mo Steel production process ： Electric furnace steelmaking －LF Furnace refining －VD Vacuum degassing of furnace － Rolling plate － flaw detection － Normalize － Temper － Steel plate finishing － Performance test . The company formulates appropriate internal control components , Strictly control the fluctuation range of chemical composition , Ensure the stability of steel plate performance . Strengthen batching control and smelting operation , To control effectively Sn、Sb、As、Cu And other harmful elements , Except low P、S Content increases the purity of steel , Reduce tempering embrittlement tendency , Improve the high temperature corrosion resistance of steel . Adopt temperature control , Ensure heating time and temperature , Adopt measures such as controlled rolling , Ensure the internal quality of steel plate . Strictly control the rolling and heat treatment process , Make the steel plate obtain reasonable structure and grain size , Ensure that the steel plate has good comprehensive performance .

Main steel grades

Wugang hydrogen resistant Cr－Mo The main types of steel ： Hydrogen for coke drum 14Cr1MoR、 Hydrogen for gasifier SA387Gr11C12、 For hydrogenation reactor 2.25Cr-1Mo The steel plate 、 Large thickness hydrogen resistant 12Cr2Mo1R（H The steel plate Hydrogen 2.25Cr-1Mo-0.25V The steel plate Corresponding to foreign brands ：SA387Gr11C12、2.25Cr-1Mo.

Foreign brand

Corresponding to foreign brands ：4Cr13、S136、2083、420.

Corresponding to foreign brands ：SA387Gr11CL2、2.25Cr-1Mo.

Type a equipment manufacturing enterprises have cooperated with Wuyang Iron and steel to produce for petrochemical industry 、 electric 、 Turbine block 、 Thermal power and other high temperature and high pressure 、 Large equipment connected with hydrogen or hydrogen mixed medium . This steel belongs to Cr-Mo Hydrogen resistant steel plate , Already supplied 5000 tons . The prospects in the export developed countries are promising . It has directly supplied more than 1000 tons to European customers .