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Steel type ¡¤ alloy name Principal constituent Generic term UNS
Number		 Standard Characteristic Mechanical property Main application
Classification NAS JIS ASME ASTM AMS Submitting Anti-pulls Extending Degree of hardness
N/mm2 N/mm2 ©‡ HRB HV HB
High
anti-corrosive
steel
¡¤
alloy 		   NAS 155N    ¡ª¡ª    18Cr-15Ni-4Mo-3Cu-0.16N    ¡ª¡ª    S31727    ¡ª¡ª    A240    ¡ª¡ª    Bears the sulfuric acid    ¨R245    ¨R550    ¨R35    ¨Q95    ¨Q220    ¨Q217     The special combustion heavy oil uses boiler's heat interchanger, flue, chimney
   NAS 185N    ¡ª¡ª    20Cr-18Ni-6Mo-0.8Cu-0.2N    254SMO    S31254    SA¨C240    A240    ¡ª¡ª     High anticorrosion super stainless steel    ¨R310    ¨R655    ¨R35    ¨Q96    ¡ª¡ª    ¨Q223     Chemical equipment, haze sweetener, board style heat interchanger
   NAS 254N    SUS 836L    23Cr-25Ni-5.5Mo-0.2N    ¡ª¡ª    S32053    Code Case2445    A240    ¡ª¡ª     The thermostable sea water uses the steel    ¨R295    ¨R640    ¨R40    ¨Q96    ¨Q230    ¨Q217     Food production equipment, makes salt the equipment
   NAS 254NM    ¡ª¡ª    21Cr-24Ni-6Mo-0.2N    AL6XN    N08367    SB¨C688    B688    ¡ª¡ª     High anticorrosion super stainless steel    ¨R310    ¨R655    ¨R30    ¡ª¡ª    ¡ª¡ª    ¨Q240     Haze sweetener
   NAS 255    SUS 836L    20Cr-24Ni-4.3Mo-1.5Cu    AL904L    N08904    SB¨C625    B625    ¡ª¡ª     The acid resistance surpasses NAS 329J1    ¨R215    ¨R490    ¨R35    ¨Q90    ¨Q200    ¨Q187     Chemical equipment
   NAS 255NM    ¡ª¡ª    20Cr-25Ni-6Mo-0.2N-1Cu    Cronifer 1925hMo    N08926    SB¨C625    B625    ¡ª¡ª     High anticorrosion super stainless steel    ¨R295    ¨R650    ¨R35    ¡ª¡ª    ¡ª¡ª    ¡ª¡ª     Haze sweetener
   NAS 354N    ¡ª¡ª    23Cr-35Ni-7.5Mo-0.2N    ¡ª¡ª    N08354    ¡ª¡ª    B625    ¡ª¡ª     High anticorrosion super stainless steel    ¨R295    ¨R640    ¨R35    ¨Q96    ¨Q230    ¨Q217     Makes salt the equipment, the chemical equipment
   NAS 329J3L    SUS 329J3L    22Cr-5.3Ni-3.2Mo-0.16N    2205    S32205    SA¨C240    A240    ¡ª¡ª    NAS 329J1+ Bears the pitting, the gap corrosion    ¨R450    ¨R620    ¨R18    HRC¨Q32    ¨Q320    ¨Q302     Chemical equipment
   NAS 64    SUS 329J4L    25Cr-6.5Ni-3.3Mo-0.17N    ¡ª¡ª    S32506    ¡ª¡ª    A240    ¡ª¡ª    NAS 329J1+ Bears the pitting, the gap corrosion    ¨R450    ¨R620    ¨R18    HRC¨Q32    ¨Q320    ¨Q302     Catch basin, chemical equipment
   NAS 825    NCF 825    40Ni-21Cr-3Mo-2Cu-Ti    INCOLOY 825    N08825    SB¨C424    B424    ¡ª¡ª     High corrosion-resistant alloy    ¨R235    ¨R580    ¨R30    ¨Q96    ¨Q214    ¨Q207     Chemical equipment, crude oil, natural gas production equipment
   NAS 625    NCF 625    62Ni-22Cr-9Mo-3.7Nb-Ti,Al    INCONEL 625    N06625    SB¨C443    B443    5599     High anticorrosion heat-resisting alloy    ¨R276    ¨R690    ¨R30    ¡ª¡ª    ¡ª¡ª    ¡ª¡ª     The chemical equipment, the sea structure, prevents environmental damage's machine
   NAS 690    NCF 690    62Ni-28Cr-10Fe    INCONEL 690    N06690    SB¨C168    B168    ¡ª¡ª     High corrosion-resistant alloy    ¨R240    ¨R590    ¨R30    ¡ª¡ª    ¡ª¡ª    ¡ª¡ª     The heavy oil combustion furnace's spare part, the high-pressured steam has the equipment, the installment
   NAS NW22    NW 6022    57Ni-21Cr-14Mo-3W-4Fe    HASTELLOY C-22    N06022    SB¨C575    B575    ¡ª¡ª     Hydrochloric acid, sulfuric acid, phosphoric acid, chloride, heat-resisting alloy    ¨R240    ¨R660    ¨R35    ¡ª¡ª    ¡ª¡ª    ¡ª¡ª     Chemical equipment
   NAS NW276    NW 0276    59Ni-15Cr-16Mo-4W-5Fe    HASTELLOY C-276    N10276    SB¨C575    B575    ¡ª¡ª     Hydrochloric acid, sulfuric acid, phosphoric acid, chloride, heat-resisting alloy    ¨R275    ¨R690    ¨R40    ¡ª¡ª    ¡ª¡ª    ¡ª¡ª     Chemical equipment
   NAS NW400    NW4400    65Ni-32Cu -1Fe    MONEL 400    N04400    SB¨C127    B127    4544     The high anticorrosion constantan, bears the sea water    ¨R195    ¨R480    ¨R35    ¡ª¡ª    ¡ª¡ª    ¡ª¡ª     Seawater desalination installment, equipment
High-temperature
steel
¡¤
alloy 		   NAS 800    NCF 800    32Ni-20Cr-Ti,Al    INCOLOY 800    N08800    SB¨C409    B409    5871     Has the good high corrosion resistance, may also take the acidproof steel    ¨R205    ¨R520    ¨R30    ¨Q89    ¨Q182    ¨Q179     Electric heating tube, heat treatment spare part, heat interchanger
   NAS 800H    NCF 800H    32Ni-20Cr-Ti,Al    INCOLOY 800H    N08810    SB¨C409    B409    ¡ª¡ª     Has the good high corrosion resistance, may also take the acidproof steel    ¨R175    ¨R450    ¨R30    ¨Q86    ¨Q171    ¨Q167     Heat treatment spare part, heat interchanger
   NAS 800T    ¡ª¡ª    32Ni-20Cr-Ti,Al    INCOLOY 800HT    N08811    SB¨C409    B409    ¡ª¡ª     Has the good high corrosion resistance, may also take the acidproof steel    ¨R175    ¨R450    ¨R30    ¡ª¡ª    ¡ª¡ª    ¡ª¡ª     Heat treatment spare part, heat interchanger
   NAS H840    ¡ª¡ª    20Cr-19Ni-Ti,Al    INCOLOY 840    S33400    SA¨C240    A240    ¡ª¡ª     Has the good high corrosion resistance, may also take the acidproof steel    ¨R170    ¨R485    ¨R30    ¨Q92    ¡ª¡ª    ¡ª¡ª     Electric heating tube, heat treatment spare part
   NAS 600    NCF 600    77Ni-16Cr-6Fe    INCONEL 600    N06600    SB¨C168    B168    5540     Has the good high corrosion resistance, may also take the acidproof steel    ¨R245    ¨R550    ¨R30    ¨Q89    ¨Q182    ¨Q179     Heat-treatment furnace spare part
   NAS 601    NCF 601    60Ni-23Cr-1Al-0.2 Ti    INCONEL 601    N06601    SB¨C168    B168    5870     Has the good high corrosion resistance, may also take the acidproof steel    ¨R195    ¨R550    ¨R30    ¡ª¡ª    ¡ª¡ª    ¡ª¡ª     Gas turbine's spare part, heat-treatment furnace spare part
   NAS 660    SUH 660    25Ni-15Cr-1Mo-2Ti-0.3V-0.2 Al    A-286    S66286    ¡ª¡ª    ¡ª¡ª    5525     With precipitates the separation hardenability austenite steel    ¡ª¡ª    ¨R730    ¨R25    ¨Q91    ¨Q202    ¨Q192     Diesel engine spare part
   NAS HX    NW 6002    47Ni-22Cr-9Mo-18 Fe-1.5Co-0.6W    HASTELLOY X    N06002    SB¨C435    B435    5536     The strength at high temperatures, bears the oxidability    ¨R240    ¨R655    ¨R35    ¡ª¡ª    ¡ª¡ª    ¡ª¡ª     Gas turbine's spare part, heat-treatment furnace spare part
   AS 750    NCF 750    73Ni-16Cr-7Fe-2.5Ti -1Nb-0.7Al    INCONEL X-750    N07750    ¡ª¡ª    ¡ª¡ª    5542     The strength at high temperatures, bears the oxidability    ¡ª¡ª    ¨Q890    ¨R40    HRC¨Q35    ¨Q335    ¨Q321     Gas turbine's spare part, pressure vessel, heat-resisting metal reed
High strength
stainless steel 		   NAS 630    SUS 630    17Cr -4Ni-4Cu-0.2Nb    17-4PH    S17400    SA¨C693    A693    5604     With precipitates the separation hardenability martensite steel, the steel belt    ¨R1175    ¨R1310    ¨R5    HRC¨R40    ¨R375    ¡ª¡ª     The reed, flushes the clamp, the steel belt
   NAS 631    SUS 631    17Cr -7Ni-1Al    17-7PH    S17700    SA¨C693    A693    5528     With precipitates the separation hardenability austenite steel    ¨Q380    ¨Q1030    ¨R20    ¨Q92    ¨Q200    ¨Q192     Reed, filling piece
   NAS NM15M    ¡ª¡ª    17Cr-15Mn-4Ni-0.3N    ¡ª¡ª    ¡ª¡ª    ¡ª¡ª    ¡ª¡ª    ¡ª¡ª     Under the high processing condition, still had the remarkable non-magnetism characteristic    ¨R390    ¨R690    ¨R30    ¨Q98    ¨Q228    ¨Q228     Nonmagnetic metal reed
Non-retentive material    NAS PB-N    ¡ª¡ª    46Ni-Fe    ¡ª¡ª    K94500    ¡ª¡ª    A753    ¡ª¡ª    Non-retentive material    ¡ª¡ª    ¡ª¡ª    ¡ª¡ª    ¡ª¡ª    ¡ª¡ª    ¡ª¡ª     Transformer core, platform vibrator, clock and watch unit motor, magnetic shield
   NAS PC    ¡ª¡ª    77Ni-4Mo-5Cu- Fe    ¡ª¡ª    N14076    ¡ª¡ª    A753    ¡ª¡ª    Non-retentive material    ¡ª¡ª    ¡ª¡ª    ¡ª¡ª    ¡ª¡ª    ¡ª¡ª    ¡ª¡ª     Transformer core, magnetic head, magnetic shield, clock and watch unit motor
   NAS PC-2    ¡ª¡ª    80Ni-5Mo- Fe    ¡ª¡ª    N14080    ¡ª¡ª    A753    ¡ª¡ª    Non-retentive material    ¡ª¡ª    ¡ª¡ª    ¡ª¡ª    ¡ª¡ª    ¡ª¡ª    ¡ª¡ª     Transformer core, magnetic head, magnetic shield, clock and watch unit motor
Nickel    NAS Ni201    NW 2201    99 Ni    NI201    N02201    SB¨C162    B162    5553     In high temperature conditions and so on high potency alkalinity and chloride ion    ¨R80    ¨R345    ¨R30    ¡ª¡ª    ¡ª¡ª    ¡ª¡ª     Caustic alkali manufacture equipment, electrode spare part
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