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    Heat resistant tube

     

    ruraOkragla1

    The choice of grade depends on several factors:
    -Maximum temperature of operation
    -Time at temperature, cyclic nature of process
    -Type of atmosphere, oxidising , reducing, sulphidising, carburising.
    -Strength requirement

    In the European standards, a distinction is made between stainless steels and heat-resisting steels. However, this distinction is often blurred and it is useful to consider them as one range of steels.

    Increasing amounts of Chromium and silicon impart greater oxidation resistance. Increasing amounts of Nickel impart greater carburisation resistance.

     

    Dimensions:

     - diamaters from 4,0 mm to 245,0 mm

    - walls thickness from 0,3 mm to 20,62 mm

     

     

    X45CrSi9-3 (1.4718)
    Euro standard1.4718
    Standard:EN 10088 - 3 : 2005 Stainless steels. Technical delivery conditions for semi-finished products, bars, rods, wire, sections and bright products of corrosion resisting steels for general purposes
    Classification:Martensitic heat-resisting steels
    Steel grade equivalent

    USA: HNV-3

    German (DIN, WNr): X45CrSi9-3

    Poland (PN): H9S2

    Russia (GOST): 40KH9S2

    X45CrSi9-3 (1.4718)
    CSiMnPSCrNi
    0,40-0,502,70-3,30max 0,80max 0,040max 0,0308,00-10,00max 0,60

     

     

    X10CrAlSi13 (1.4724)
    Euro standard:1.4724
    Standard:EN 10095 : 1999  Heat Resisting Steels and Nickel Alloys
    Classification:Ferritic heat-resisting steels
    Steel grade equivalent:

    France (AFNOR): Z13C13

    Poland (PN): H13JS

    Russia (GOST): 10KH13SYU

    Chemical composition % of the ladle analysis of grade X10CrAlSi13 (1.4724)
    CSiMnPSCrAl
    max 0,120,70-1,40max 1,00max 0,040max 0,01512,00-14,000,70-1,20

     

     

    X10CrAlSi18 (1.4742)
    Euro standard:1.4742
    Standard:EN 10095 : 1999   Heat Resisting Steels and Nickel Alloys
    Classification:Ferritic heat-resisting steels
    Steel grade equivalent:

    France (ANFOR): Z12CAS18

    Poland (PN): H18JS

    Russia (GOST): 15KH18SJu

    Chemical composition % of the ladle analysis of grade X10CrAlSi18 (1.4742)
    CSiMnPSCrAl
    max 0,120,70-1,40max 1,00max 0,040max 0,01517,00-19,000,70-1,20

     

    X18CrN28 (1.4749)
    Euro standard:1.4749
    Standard:EN 10095 : 1999   Heat Resisting Steels and Nickel Alloys
    Classification:Ferritic heat-resisting steels
    Steel grade equivalent:

    USA: 446

    Russia (GOST): 15H25T, 15Cr25Ti

    Poland (PN): H25T

    Chemical composition % of the ladle analysis of grade X18CrN28 (1.4749)
    CSiMnPSNCrInne
    0,15-0,20max 1,00max 1,00max 0,045max 0,0150,15-0,2526,00-29,00

    Al 0,70-1,20 (1.4749)
    or

    Ti 0,70-1,20 (15H25T)

     

     

    X10CrAlSi25 (1.4762)
    Euro standard:1.4762
    Standard:EN 10095 : 1999   Heat Resisting Steels and Nickel Alloys
    Classification:Ferritic heat-resisting steels
    Steel grade equivalent:

    France (AFNOR): Z12CAS25

    Poland (PN): H24JS

    USA: 446

    Chemical composition % of the ladle analysis of grade X10CrAlSi25 (1.4762)
    CSiMnPSCrAl
    max 0,120,70-1,40max 1,00max 0,040max 0,01523,00-26,000,20-1,70

     

     

    12CrMo19-5, X12CrMo5 (1.7362)
    Euro standard:1.7362
    Standard:EN 10088 - 3 : 2005 Stainless steels. Technical delivery conditions for semi-finished products, bars, rods, wire, sections and bright products of corrosion resisting steels for general purposes
    Classification:Ferritic heat-resisting steels
    Steel grade equivalent:

    Poland (PN): H5M

    Russia (GOST): 15H5M, 15KH5M, 15X5M, 15Ch5M

    German (DIN, WNr): 12CrMo19-5, 12CrMo195, 1.7362

    USA: UNS S50200, AISI 502, UNS K 41545, UNS K41545

    Great Britain (BS): 1Cr5Mo, S45110

    France (AFNOR): X 16 CrMo 5-1, X16CrMo5-1, X16Crmo51

    Skład chemiczny gatunku 1,7362
    CSiMnPSCrMoNi
    max 0,15max 0,50max 0,50max 0,035max 0,0304,50-6,000,45-0,60max 0,50

     

    X15CrNiSi20-12 (1.4828)
    Euro standard:1.4828
    Standard:EN 10095 : 1999   Heat Resisting Steels and Nickel Alloys
    Classification:Austenitic heat-resisting steels
    Steel grade equivalent:

    France (AFNOR): Z17CNS20-12

    Poland (PN): H20N12S2

    Russia (GOST): 08KH20N14S2, 20KH20N14S2

    USA: AISI 309

    Chemical composition % of the ladle analysis of grade X15CrNiSi20-12 (1.4828)
    CSiMnPSNCrNi
    max 0,201,50-2,00max 2,00max 0,045max 0,030max 0,01119,00-21,0011,00-13,00

     

     

    X12CrNi23-13 (1.4833)
    Euro standard:1.4833
    Standard:EN 10095 : 1999   Heat Resisting Steels and Nickel Alloys
    Classification:Austenitic heat-resisting steels
    Steel grade equivalent:

    USA: AISI 309S

    France (AFNOR): Z15CN23-13

    Great Britain (BS): 309S16

    Russia (GOST): 20KH23N13

    Poland (PN): H23N13

    Chemical composition % of the ladle analysis of grade X12CrNi23-13 (1.4833)
    CSiMnPSNCrNi
    max 0,015max 1,00max 2,00max 0,045max 0,030max 0,01122,00-24,0012,00-14,00

     

     

    X15CrNiSi25-21 (1.4841)
    Euro standard:1.4841
    Wykonanie:EN 10095 : 1999   Heat Resisting Steels and Nickel Alloys
    Classification:Austenitic heat-resisting steels
    Steel grade equivalent:

    USA: AISI 314, AISI 310

    France (AFNOR): Z15CNS25-20

    Poland (PN): H25N20S2

    Russia (GOST): 20KH25N20S2, 20Ch25N20S2

    Chemical composition % of the ladle analysis of grade X15CrNiSi25-21 (1.4841)
    CSiMnPSNCrNi
    max 0,201,50-2,50max 2,00max 0,045max 0,030max 0,01124,00-26,0019,00-22,00

     

    CrNi25-20, X16CrNi25-20 (1.4843)
    Euro standard:1.4843
    Standard:EN 10095 : 1999   Heat Resisting Steels and Nickel Alloys
    Classification: Austenitic heat-resisting steels
    Steel grade equivalent:Poland (PN): H23N18
    Chemical composition % of the ladle analysis of grade CrNi25-20, X16CrNi25-20 (1.4843)
    CSiMnPSCrNi
    max 0,20max 1,00max 1,50max 0,045max 0,03022,00-25,0017,00-20,00

     

    X8CrNi25-21, X6CrNi25-20 (1.4845)
    Euro standard:1.4845
    Standard:EN 10095 : 1999   Heat Resisting Steels and Nickel Alloys
    Classification: Austenitic heat-resisting steels
    Steel grade equivalent:

    USA : AISI 310S

    Russia (GOST): 20Ch23N18, 20KH23N18

    Poland (PN): H23N18

    German (DIN, WNr): X8CrNi25-21, 1.4845

    Chemical composition % of the ladle analysis of grade X8CrNi25-21 (1.4845)
    CSiMnPSNCrNi
    max 0,10max 1,50max 2,00max 0,045max 0,030max 0,01124,00-26,0019,00-22,00

     

    X12NiCrSi35-16 (1.4864)
    Euro standard:1.4864
    Standard:EN 10095 : 1999   Heat Resisting Steels and Nickel Alloys
    Classification:Austenitic heat-resisting steels
    Steel grade equivalent:

    USA: AISI 330

    Poland (PN): H16N36S2

    German (DIN, WNr): X12NiCrSi35-16, 1.4864

    Chemical composition % of the ladle analysis of grade X12NiCrSi35-16 (1.4864)
    CSiMnPSNCrNi
    max 0,151,00-2,00max 2,00max 0,045max 0,030max 0,01115,00-17,0033,00-37,00

     

    X10NiCrAlTi32-21 (1.4876)
    Euro standard:1.4876
    Standard:EN 10095 : 1999   Heat Resisting Steels and Nickel Alloys
    Classification: Austenitic heat-resisting steels
    Steel grade equivalent:

    USA: AISI B 163

    German (DIN, WNr): X10NiCrAITi32-21, X10NiCrAITi32-2

    Chemical composition % of the ladle analysis of grade X10NiCrAlTi32-21 (1.4876)
    CSiMnPSCrNiTiAl
    max 0,12max 1,00max 2,00max 0,045max 0,03019,00-23,0030,00-34,000,15-0,600,15-0,60

     

     

    X10CrNiTi18-10 (1.4878)
    Euro standard:1.4878
    Standard:EN 10095 : 1999   Heat Resisting Steels and Nickel Alloys
    Classification: Austenitic heat-resisting steels
    Steel grade equivalent:

    USA: AISI 321H, UNS S32109

    Chemical composition % of the ladle analysis of grade X8CrNiTi18-10 (1.4878)
    CSiMnPSCrNiInne
    max 0,10max 1,00max 2,00max 0,045max 0,03017,00-19,009,00-12,00Ti x C max 0,80

     

    H18N9S
    Euro standard:-
    Standard:EN 10095   Heat Resisting Steels and Nickel Alloys
    Classification:Austenitic heat-resisting steels
    Steel grade equivalent:Poland (PN): H18N9S
    Chemical composition % of the ladle analysis of grade
    CSiMnPSCrNi
    0,10-0,200,80-2,00max 2,00max 0,045max 0,03017,00-20,008,00-11,00

     

     

     

    grades:  

    304H, S30409, 1.4948, X8CrNi18 10          

    304HCu

    309, 1.4828, X15CrNiSi20 12, H20N12S2

    310, 314, 1.4841, X15CrNiSi25 21, H25N20S2

    310S, S31008, 1.4845, X6CrNi25 20, H23N18       

    310H, S31009

    321H, S32109 , 1.4878, X8CrNiTi18 11       

    347H, S34709, 1.4961, X8CrNiNb18 11347HFG

    310HcbN

    Alloy 800H

    Alloy 600H

    1.4749, H25T/15H25T

    and others to be agreed

     

    norms:

     ASTM A213/A213M, ASME SA213/SA213M

    ASTM A312/A312M, ASME SA312/SA312M

    ASTM A376/A376M, ASME SA376/SA376M

    DIN 17458

    EN 10216-5

    UNI 6904

    SEW 470

    GOST 9941-81

    and others to be agreed

     

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