ʻO SS400 kahi ala hōʻailona o nā mea kila Iapana a me kahi kūlana hoʻokolokolo.
Hoʻokaʻawale pinepine ʻia nā kila kila ma nā ʻāina ʻē e like me ka ikaika tensile, e like me SS400 (i hōʻailona ʻia ma Iapana), kahi 400 e hōʻike ana i ka σ ʻO ka liʻiliʻi loa o ka b he 400MP. ʻO ke kila ikaika kiʻekiʻe loa e pili ana i ka σ Steel ʻaʻole i emi iho ma mua o 1373 Mpa.
1. Nā manaʻo like ʻole
SS400: ʻO SS400 kahi ala hōʻailona o nā mea kila ma Iapana a me kahi kūlana hoʻokolokolo, e like me ke kila Q235 ma Kina.
Q235: Q235 kapa ʻia ke kila kila kila maʻamau i kapa ʻia ʻo A3 kila. Ordinary carbon structural steel plain plate he ʻano mea kila.
2. Nā helu hua like ʻole
ʻOi aku ka nui o ka helu o Q235 ma mua o 235 MPa, ʻoiai ʻo SS400 he 245 MPa.
3. Nā helu maʻamau like ʻole
ʻO ka helu maʻamau o Q235 ʻo GB/T700. ʻO ka helu maʻamau o SS400 ʻo JIS G3101.
4. Ka ikaika like ʻole
SS400: Hoʻokaʻawale pinepine ʻia nā kila kila ma nā pae ʻē aʻe e like me ka ikaika tensile, e like me SS400 (i hōʻailona ʻia ma Iapana), ʻo ia ka 400 ʻo ia ka σ ka liʻiliʻi loa o ka waiwai b he 400MPa. ʻO ke kila ikaika kiʻekiʻe kiʻekiʻe e pili ana iā σ B Steel ʻaʻole i emi ma lalo o 1373 Mpa.
Q235: Hōʻike ka Q i ka palena o kēia mea. ʻO ka 235 aʻe e pili ana i ka waiwai o kēia mea, ma kahi o 235MPa. E emi ana ka waiwai me ka hoʻonui ʻia o ka mānoanoa. Ma muli o ke kalapona haʻahaʻa, maikaʻi nā waiwai piha, a ua kūlike ka ikaika, ka plasticity a me nā waiwai welding.
5. Ka hoʻohālikelike ʻana o ka haku mele ma waena o Q235 a me SS400
Q235B kalapona C: ʻaʻole ʻoi aku ma mua o 0.18
Q235B Mn: 0.35-0.80
Q235B silicon Si: ʻaʻole iʻoi aku ma mua o 0.3
Q235B sulfur S: ʻaʻole ʻoi aku ma mua o 0.04
Q235B phosphorus P: ʻaʻole ʻoi aku ma mua o 0.04
SS400 sulfur S: ʻaʻole ʻoi aku ma mua o 0.05
SS400 Phosphorus P: ʻaʻole ʻoi aku ma mua o 0.05
6. Hoʻohālikelike i nā waiwai mechanical ma waena o Q235 a me SS400
Q235 ikaika hua: ʻaʻole emi ma lalo o 185.
Q235 ikaika tensile: 375-500
Q235 elongation: ʻaʻole emi ma lalo o 21
SS400 hua ikaika: ʻaʻole emi ma lalo o 215.
SS400 ikaika tensile: 400-510
SS400 elongation: ʻaʻole emi ma lalo o 17
Ka manawa hoʻouna: Dec-21-2023
