|
Ka Hui Kemika (%) |
Papa kila |
C |
ʻO Si |
ʻO Mn |
P |
S |
Cr |
Ni |
Cu |
35CrMnSiA |
0.32-0.39 |
1.10~1.40 |
0.80~1.10 |
≤0.025 |
≤0.025 |
1.10~1.40 |
≤0.030 |
≤0.025 |
Nā waiwai mīkini
Ka ikaika σs/MPa (>=) |
Ka ikaika wili σb/MPa (>=) |
Ka ikehu hopena |
Hoemi o ʻāpana ψ/% (>=) |
Ka hopena o ka ikehu αkv (J/cm²) (>=) |
≥1275(130) |
≥1620(165) |
≥31 |
≥40 |
≥39(4) |
Nā kikoʻī hoʻomaʻamaʻa wela a me ka hui metallographic
Nā ʻōlelo kikoʻī o ka mālama ʻana i ka wela: (1) Ka hoʻopau ʻana: mua 950 ℃, ka lua 890 ℃, ka ʻaila ʻaila; ka hoʻoheheʻe ʻana i ka 230 ℃, ka hoʻoluʻu ʻana i ka ea, ka ʻaila ʻaila; (2) 880 ℃ austempering ma 280~310 ℃.
Pono e kuhikuhi ʻia ke kūlana o ka lawe ʻana i ka ʻaelike i ka wā i hāʻawi ʻia e ka mālama wela (normalizing, annealing a i ʻole ka wela wela kiʻekiʻe) a i ʻole ka mālama ʻana i ka wela.
GB/T 11251 35CrMnSiA hoʻohana nui ʻia nā pā kila kila o Gnee steel no ka hana ʻana i ka wikiwiki waena, ka ukana kaumaha, ka ikaika kiʻekiʻe, nā ʻāpana paʻakikī kiʻekiʻe a me nā mea ikaika kiʻekiʻe. Makemake ʻo Gnee kila e lilo i mea hoʻolako paʻa pā kila kila 35CrMnSiA hilinaʻi.
He mea kūikawā ʻo Gnee Steel ma GB/T 11251 35CrMnSiA nā papa kila i ʻōwili ʻia ma lalo o GB/T specification.GB/T 11251 35CrMnSiA nā papa kila i ʻōwili ʻia me ka maikaʻi o nā waiwai mechanical a me ka noi ākea. Hiki ke hoʻolako ʻia ka hui ʻana i nā mea maikaʻi loa i ka laina me nā huahana koi o nā mea kūʻai aku. Eia kekahi, e hoʻolako mākou i ka ʻokiʻoki, pretreatment, galvanizing, hoʻāʻo, nā lawelawe mālama wela no GB /T 11251 35CrMnSiA nā papa kila i ʻōwili ʻia.