13CrMo4-5 Boiler Steel

Steel 13CrMo4-5 is one of the base materials use for devices in refinery-petrochemical, chemical and power engineering industry operating under extreme conditions of temperature, pressure and aggressive environment.The development of power plant technology towards larger units and higher efficiencies is linked to the development of creep resistant ferritic steels.

Seamless tube and pipes for boilers are manufactures from materials, which are able to withstand high temperatures and high pressures.Greatest technical requirements of the production process and also the most stringent control regulations in order to guarantee their durability and reliability over a period. The boiler tubes must be able to operate at high pressures and temperatures for long periods. At high temperature a constant load produces a micro structural variation of the metallic material, this brings a progressive reduction of the properties of the material itself.

Exploitations in these conditions caused changes of the material’s structure, decreasing of properties and the development of damage processes of materials. Element operating in such conditions should be manufacture from materials characterizing good ability to remain mechanical properties in elevated temperature under loading and the resistance on the acting of chemical factors in elevated temperature, mainly on the acting of oxidizing gases. High costs of installations increase of working parameters, efficiency and reliability cause intensification in the area of modernization, diagnostic and durability extension of devices and their elements.

Artificial neural networks have wider application possibilities in the area of materials science that allow to their use in solving new and classical problems and matters because they allows to solve non-linear problems which are the main issue in that field.

The material of this kind of steel offers excellent performance with higher than normal temperature resistance and displays excellent anti-corrosive properties making it suitable steel for use in sour service environments. 13CrMo4-5 is supplied under the EN10028 European standard.

Grade	C	Si	Mn	P	S	Cr	Mo	N	Cu
13CrMo4-5	0.08- 0.18	0.35	0.40- 1	0.03	0.01	0.70- 1.15	0.40- 0.6	0.01	0.3

Grade	Thickness (mm)	Yield Strength (MPa)	Tensile Strength (MPa)	Elon- Gation (%)	Impact energy KV at Test Temperature [J]
Grade	Thickness (mm)	Yield Strength (MPa)	Tensile Strength (MPa)	Elon- Gation (%)	-20 °C	0 °C	+20 °C
	≤16	300	450-600	19	-	-	31
	>16≤60	290	450-600	19	-	-	31
13CrMo	>60≤100	270	440-590	-	-	-	27
4-5	>100≤150	255	430-580	-	-	-	27
	>150≤250	245	420-570	-	-	-	27

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Tags: 13CrMo4-5 , 13CrMo4-5 Boiler Steel