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һλϿ͑ϵҲُһL245NSop䓹߀L360NSop䓹Ҿ́fһ@Nop䓹ܵą^e; A355P22op䓹܌Ă̖@|ǺϽ䓲|ASTM-A335P22l늏Sߜظ߉ܵYT22P22ĻWɷֺܽӽT22偠tܟcֱӽ|P22㕽ӹܵT/P22c10CrMo910ஔT22ASTM SA213偠t^͓QßopFw͊WwϽ䓹ܣTubeP22ASTM SA335ߜßopFwϽ䓹ܡϽҪڵЉ偠tͨ5.88Mpaض450£ܟӡڸ߉偠tͨ9.8Mpaض450桫650֮gܟʡú^ٟʯIùܵ P92P91䓵ĸǡfԪصĺ0.5%Moͬrһu1.8%WԌYϵfMo+0.5WP91䓵1%ᵽs 1.5%ԓ߀ϽMct-f͟P92䓵ߜظgRw͟䓵ļӹܺߜ׃яʮָgԺ܉M͟䓵ĺc9%CrYϵĸߜ؏Ⱥ׃ܵõMһMɴˎҪcͬĹضȣOӋlMһվ偠tܵϵyͬӵĘߴMһMOӋضĶMϵyğЧͬrP92߀ЃڊWwP䓣347HĿܟƣL245NBʯܾܵһN.L245|Ҫ,L245NBNıʾL245䓲M׃.BxB䓹.L245NBʾL245ĸֹͣ׃. L245һN͉wƹ,ܺ20#opܲ,L245WܺͻWɷWܣďȣ245 MPa ȣ415 MPa L 21 minWɷݣC0.26 Mn1.15 S 0.030 P0.030L245NBNıʾL245䓲ֹͣ׃.BxB䓹.L245NBʾL245ĸֹͣ׃.UL245؛B܈ ˜PSL1L245N؛B ˜PSL2 |
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