520JJ䓰-ߏ520JJ䓰塶aS
ҹ˾˾ʼKԳЈ錧Կ͑|I}\Ş֮ԳJ֔ԭtMȡlչѴژI_˶Nwϵγ˸wAAϡȫN۾Wjõu|ĮaƷۺČăruȫ30ʡС΅^ֱݠaƷÑه
SL15506356381
һǬF؛ЈЇFVʯ؛ЈһǶrCƵBӰh
LڽI,䓣䓏SaNҎ̖䓰܃݃r
Ҏ3-200mm.1500-2400mm.L3000-12000mm
ҪaƷУ
͵͜䓰壺Q235C Q235D Q235E Q345CQ345DQ345E16MnC16MnD16MnE
偠t䓰壺20G16MnG15CrMoG12Cr1MoVG
|̼䓰10-50#16Mn20Mn35Mn45Mn50Mn20Mn235Mn245Mn2520JJ䓰-ߏ520JJ䓰塶aSҶFVʯ؛Ͼ\SЈγɏӰ푣FVʯ؛HM̵õ__Ҳ¶@،ٴδЇFVʯhrrԒZࠎZȻDy
Ͻ䓰壺15CrMo35CrMo42CrMo20CrMo12Cr1MoV27SiMn60Si2Mn20Cr40CrFVʯ؛Ͼ\SЈγɏӰFVʯ؛HM̵õ__Ҳ¶@،ٴδЇFVʯhrrԒZࠎZȻDy
䓰壺Q245R20R16MnR16MnDR14Cr1MoR15CrMoR12Cr1MoVR Q370R
ͺϽߏȰ壺Q390B/C/D/EQ420(B/C/D/EQ460C/D/EQ550C/D/EQ690B/C/D/E
ߌӽY䓰Q235JGCQ345JGCQ390JGCQ420GJCQ460GJC
Y䓰Q235qCQ345qC16MnqQ370qCQ420qC14MnNbq
ЇʂMһƮaȥʮһУFIpaڱ28^ʣaeF^ʣrٳmµ
ĥ䓰NM360ANM400ANM360BNM400B
SL15506356381
ͺ壺Q295NHQ235NHQ345NHQ355NHQ295GNHQ345GNHQ390GNH
ϽY䓣QͨͺϽHSLA
1. ; Ҫ܇v偠t߉ݔݔܵ䓽Yȡ
2. Ҫ(1) ߏȣһ300MPa
(2) gԣҪʞ15%20%Ҝ؛_gԴ600kJ/m800kJ/m ڴͺӘ߀Ҫ^ߵĔg
(3) õĺܺ
(4) ͵D׃ضȡ
(5) õg520JJ䓰-ߏ520JJ䓰塶aS
ЇFИI^30LMͰlչFVʯaƷhrrһֱFИIlչļi
3. ɷc (1) ̼gԺܵҪߣ̼^0.20%
(2) iĺϽԪء
(3) ⁻CoԪأ⁻Cγɼ̼̼ګ@üСFw䓵ďȺgԡ~0.4%ף0.1%ң
gܡϡԪÓȥ⣬ʹ䓲ăgԺˇ
5. ̎c @һڟ܈BʹãҪMЌTğ̎ʹàBµ@MһFw w
FVʯ؛HM̽ڹ_SǰΕrgμٿvָijӰuЈ@һFȦȵĴ¼ٴlFVʯrԒZӑՓᳱ520JJ䓰-ߏ520JJ䓰塶aS
ҹ˾سZͬȵ|£C͵ărƵķߵuxѵ֧cۡgӭVϿ͑ǢՄ
520JJ䓰-ߏ520JJ䓰塶aS
˾³Խƽɾδ
˾ּ|ulչ
˾I\鱾͑
˾ݣ؛Դ㣬r