˾˾ʼKԳЈ錧Կ͑ģ|I(y)}\Ş֮ԳJ֔ԭt(wn)Mȡl(f)չѴژI(y)_˶Nwϵγ˸wAAȫN۾Wjõu(yu)|ĮaƷۺČăruȫ30ʡС΅^(q)ֱݠУaƷÑه
LڽI,䓣䓏SaNҎ(gu)̖䓰壬܃(yu)݃r
Ҏ(gu)3-200mm.1500-2400mm.L3000-12000mm
ҪaƷУ
͵͜䓰壺Q235C Q235D Q235E Q345CQ345DQ345E16MnC16MnD16MnE
偠t䓰壺20G16MnG15CrMoG12Cr1MoVG
(yu)|̼䓰10-50#16Mn20Mn35Mn45Mn50Mn20Mn235Mn245Mn2
Ͻ䓰壺15CrMo35CrMo42CrMo20CrMo12Cr1MoV27SiMn60Si2Mn20Cr40Cr
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
ĥ䓰NM360ANM400ANM360BNM400B
ͺ壺Q295NHQ235NHQ345NHQ355NHQ295GNHQ345GNHQ390GNH
ͺϽY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) õg
3. ɷc (1) ̼gԡԺܵҪ̼^0.20%
(2) iĺϽԪ
(3) ⁻CoԪأ⁻Cγɼ̼̼ګ@üСFw䓵ďȺgԡ~0.4%ף0.1%ңȣ
gϡԪأÓȥʹ䓲ăgԺˇ
5. ̎c @һڟ܈B(ti)ʹãҪMЌTğ̎ʹàB(ti)µ@MһFw w
ҹ˾سZͬȵ|£C͵ărƵķգߵuxѵ֧cgӭVϿ͑ǢՄ
˾(chung)³Խƽɾδ
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˾I\鱾͑
˾(yu)ݣ؛Դr
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һʽ
1l(f)؛ʡl(f)؛
2ȸ30-50؛˷ʽmڶƮaƷ
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˓Q؛
1䓲ĞƷ跽ԭ؛tҪ跽ГMM
2䓲ѼӹиpĄt˓Q
3ԭ؛tؓ؟˓QГMã
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l(f)Ʊƶf
1ُ䓲ĕrՈλİl(f)Ʊ̧^Ч]ĵַռԒ֙C̖aṩoNˆTl(f)Ʊҹ˾Կfʽ_
2ҹ˾ṩİl(f)Ʊֵl(f)Ʊ˰l(f)Ʊλֿʹ
3l(f)Ʊ~ƷĽ~MãЅf(xi)̳⣩
ʹԃrЧhʹ·ʽl(f)ԃr?l(f)]ԃrԃr?Ԓԃr
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