锟絏锟较斤拷2A14锟斤拷锟皆硷拷锟斤拷锟絎(xu锟斤拷)锟斤拷锟斤拷
锟斤拷锟斤拷锟斤拷锟絈锟斤拷2A14锟絝锟絈锟斤拷LD10
锟斤拷(bi锟斤拷o)锟斤拷(zh锟斤拷n)锟斤拷GB/T3191-1998
锟斤拷锟皆硷拷锟絤锟矫凤拷锟斤拷锟斤拷
锟斤拷2A14锟侥成分猴拷锟斤拷锟杰侊拷锟斤拷锟斤拷锟缴岋拷锟斤拷硬锟絏锟较斤拷也锟缴岋拷锟斤拷2A50锟锟絏锟较斤拷,锟斤拷锟絚2A50锟斤拷同之處锟斤拷锟节猴拷锟絶锟斤拷锟絕锟竭o拷锟绞忥拷(qi锟斤拷ng)锟斤拷锟絕锟斤拷,锟结強(qi锟斤拷ng)锟斤拷锟絕锟斤拷,锟斤拷锟节燂拷B(t锟斤拷i)锟铰碉拷锟斤拷锟皆诧拷锟斤拷2A50锟斤拷锟斤拷锟较斤拷锟斤拷锟斤拷锟斤拷玫目锟斤拷锟斤拷锟斤拷锟,锟斤拷锟斤拷锟.锟絚(di锟斤拷n)锟斤拷锟酵縫锟斤拷锟斤拷锟斤拷锟斤拷锟矫o拷電伙拷锟斤拷锟酵氣焊锟斤拷锟杰诧拷锟斤拷锟缴燂拷處锟巾強(qi锟斤拷ng)锟斤拷,锟斤拷锟紻锟斤拷效锟斤拷(y锟斤拷ng)锟斤拷锟斤拷锟锟斤拷锟絭锟斤拷.锟組锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟筋異锟斤拷锟斤拷锟絞锟皆诧拷锟斤拷,锟斤拷锟斤拷锟剿癸拷锟絩效锟斤拷B(t锟斤拷i)锟絩锟斤拷锟絞锟斤拷锟絞锟紸锟斤拷蛻锟(y锟斤拷ng)锟斤拷锟斤拷锟絞锟斤拷锟窖傾锟斤拷锟斤拷
锟斤拷锟絎(xu锟斤拷)锟斤拷锟杰o拷
锟斤拷锟斤拷锟斤拷(qi锟斤拷ng)锟斤拷σb(MPa)锟斤拷≥440
锟斤拷锟絃锟斤拷δ5(%)锟斤拷≥10
注锟斤拷锟斤拷锟斤拷锟揭溫縱锟斤拷锟斤拷锟絎(xu锟斤拷)锟斤拷锟斤拷
試锟接尺寸:锟斤拷锟斤拷直锟斤拷(锟斤拷锟斤拷锟斤拷锟斤拷锟角帮拷锟(n锟斤拷i)锟叫圓直锟斤拷)≤22
锟斤拷處锟斤拷規(gu锟斤拷)锟斤拷锟斤拷
1)锟斤拷锟斤拷锟剿伙拷:锟接燂拷475锟斤拷490锟斤拷锟斤拷锟斤拷锟斤拷12锟斤拷14h锟斤拷锟絫锟斤拷锟斤拷
2)锟斤拷全锟剿伙拷:锟接燂拷350锟斤拷400锟芥;锟絊锟斤拷锟斤拷锟斤拷效锟斤拷炔锟酵,锟斤拷锟截時锟絞30锟斤拷120min锟斤拷锟斤拷30锟斤拷50锟斤拷/h锟劫讹拷锟絊锟絫锟斤拷锟斤拷300锟斤拷锟斤拷,锟劫匡拷锟斤拷锟斤拷
3)锟斤拷锟斤拷锟剿伙拷:锟接燂拷350锟斤拷460锟芥;锟斤拷锟截時锟絞30锟斤拷120min锟斤拷锟斤拷锟斤拷锟斤拷
4)锟斤拷锟酵時效:锟斤拷锟495锟斤拷505锟斤拷,水锟戒;锟斤拷然锟絩效锟揭滐拷96h锟斤拷