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ʻO ka pā kila StE255

Hoʻohana ʻia ke kila StE255 no nā koi kūikawā e like me DIN 17178: 1986-5 no nā paipu kila welded a e like me DIN 17179: 1986-5 no nā paipu kila ʻole. Hoʻohana ʻia kēia mau paipu kila ma luna o nā mea a pau i ke kūkulu ʻana i ka moku kaomi, ke kūkulu ʻana i nā mea hana, ke kūkulu ʻana i ka paipu, a me ka hana mīkini a me nā mea hana.
Hoʻohui Kimia
Papa C
ʻO Si ʻO Mn P
S
N
Al
Cr
Cu
Mo
Ni
Nb
ʻO Ti
V
Nb+Ti+V
StE255 0.18 ≤0.40 0.50 0.035 0.030 0.020 0.020 0.30 0.20 0.08 0.30 0.03 --- --- 0.05
Waiwai Mechanical
Papa helu ʻO ka ikaika ʻo Rmno ka mea
mānoanoa huahana s, i mm
N/mm²
Hoʻomāhuahua i lunaReH²) no ka mānoanoa huahana s, i mm
N/mm² min.
Elongation ma hope o ka haki3)
(Lo=5do) % min.
ʻO ke anawaena mandrel no ka ho'āʻo piko 4), 5)
s≤70 70<s≤85 85<s≤100 100<s≤125 125<s≤150 s≤16 16<s≤35 35<s≤50 50<s≤60 60<s≤70 70<s≤85 85<s≤100 100<s≤125 125<s≤150 Ka lōʻihi Kaʻahele 6)
StE255 360~480 350~470 340~460 330~450 320~440 255 245 235 225 215 205 195 25
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