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    1. ɽ3087Љ偠t܏Sң3087Љ偠tNЈ
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        ɽ3087Љ偠t܏Sң3087Љ偠tNЈ13508939810ijǽܘI޹˾20G߉偠t偠tܵһNڟop䓹e췽copͬ䓹õ䓷NЇҪ20G߉偠tʹÕr̎ڸߜغ͸߉lڸߜ؟ˮl͸gҪ䓹ܾиߵij־ÏߵĿgõĽM߉偠tҪÁ߉ͳ߉偠t^ٟܵ Љ偠tGB3087-200820G߉偠tGB5310-2008NY͸߉偠t^ˮܼC܇偠t^󟟹ܡСܺ͹uõă|̼ؽY䓟܈Σ܈op䓹Yßop䓹ܣGB/T8162-2008һY͙CеYğop䓹܈ܵ⏽22530mmں2070mm(܈)⏽10108mmں2.013.0mmȡ
        ܙz (1)GB3087-2008Љ偠tßop䓹ܡҎԇ򞰴GB/T228-87ˮԇ򞰴GB/T241-90ԇ򞰴GB/T246-97Uԇ򞰴GB/T242-97䏝ԇ򞰴GB244-97 (2)GB5310-2008߉偠tßop䓹ܡҎԇ򞡢ˮԇ͉ԇcGB3087-82Ҏͬ_ԇ򞰴GB229-94Uԇ򞰴GB/T242-97ԇ򞰴YB/T5148-93@΢Mz򞰴GB13298-91Ó̼әz򞰴GB224-87•z򞰴GB/T5777-96 (3)M偠tܵܙz򞼰ָ˰ͬҎP˜MС
        ɽ3087Љ偠t܏Sң3087Љ偠tNЈI12cr1movGϽ12cr1movGop䓹߉Ͻܡ߉偠tʌùʯѻwܡЉ偠t
        1.Yßop䓹ܣGB/T8162-1999һY͙CеYğop䓹
        2.wݔßop䓹ܣGB/T8163-1999ݔˮwһop䓹
        3.Љ偠tßop䓹ܣGB3087-1999NYЉ偠t^ˮܼC܇偠t^󟟹Сܺ͹uõă|̼ؽY䓟܈Σ܈op䓹
        4.߉偠tßop䓹ܣGB5310-1995߉ωˮ偠tܟõă|̼Ͻ䓺ͲP͟䓟op䓹
        5.Oø߉op䓹ܣGB6479-2000mڹضȞ-40~400桢10~30MaĻO͹ܵă|̼ؽY䓺ͺϽ䓟op䓹
        6.ʯѻßop䓹ܣGB9948-88mʯ;SĠtύQ͹ܵop䓹
        7.|@̽䓹ܣYB235-70ǹ|TMЎr@̽ʹõ䓹ܣ;ɷ֞@U@brĹ׹ܺͳܵ
        8.ʯrо@̽ßop䓹ܣGB3423-82ڽʯrо@̽@UrėU׹ܵğop䓹
        9.ʯ@̽ܣYB528-65ʯ@̽ɶ˃ȼӺӺğop䓹,䓹ܷ܇zͲ܇zɷN܇zý^“Y܇zÌķc߽^“Y
        10.̼䓟op䓹ܣGB5213-85촬I͉ϵ͉ϵ偠t^õ̼䓟op䓹,̼䓟op䓹ܹܱڹضȲ^450Ͻ䓟op䓹ܹܱڹضȳ^450
        11.܇S׹ßop䓹ܣGB3088-82܇S׹ܼӘSõă|̼ؽY䓺ͺϽY䓟܈op䓹
        12.͙Cø߉͹ܣGB3093-86͙Cϵy߉õΟop䓹
        13.Һ͚ӸͲþ܃ȏop䓹ܣGB8713-88Һ͚ӸͲõľо܃ȏߴλ܈ܟop䓹
        14.λ܈ܟop䓹ܣGB3639-83ڙCеYҺOijߴ羫ȸߺͱ❍Ⱥõλ܈ܟop䓹,xþܟop䓹CеYҺOԴ󹝼sCеӹr߲ͬr߮aƷ|
        15.YòP䓟op䓹ܣGB/T14975-1994ǏVڻʯptʳƷCеȹI͸gܵͽYIJPƳɵğ܈DUΣ܈op䓹
        16.wݔòP䓟op䓹ܣGB/T14976-1994ݔwIJPƳɵğ܈DUΣ܈op䓹
        17.͟op䓹dzˈAΠğop䓹ܵĿQ,䓹ܽΠߴIJֿͬɷ֞ȱں͟op䓹ܣ̖Dȱں͟op䓹ܣ̖BD׃ֱ͟op䓹ܣ̖BJ,͟op䓹܏VڸNYߺ͙Cе㲿,͈A͹һ㶼^đTԾغͽģ^ĿŤKGB5310߉偠t--ijǽܘIgӭ1.һ;op䓹ASTM A53/A106 GR.BҎ1/4-28,13.7-711.2mm 2.ܾAPI SPEC 5L̖BX42X46X52Ҏ1/4-28,13.7-711.2mm 3.ASTM A106/A53/API 5L GR.B̖ BҎ1/4-28,13.7-711.2mm 4.ύQßop̼䓹ASTM A179Ҏ3/41 5.-40-101͜Ißop䓹ASTM A333Ҏ:1/4-28,13.7-711.2mm 6.˜DIN2448/1629op䓹ܣ̖St37,St44,St52,Ҏ1/4-28,13.7-711.2mm 7.͟䓟op䓹ܣᏊܣDIN17175-1979̖̼ؽYSt35.8-St45.8/I,St35.8-St45.8/III, ϽY15Mo3,13CrMo44,10CrMo910,Ҏ1/4-28,13.7-711.2mm .
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