20 # Umuyoboro w'icyuma
GB3087Ip Umuyoboro w'icyuma udafite icyerekezo cyo gutekesha ingufu ziciriritse
GB9948Ipe Umuyoboro w'icyuma udafite kashe ya peteroli
GB6479Ip Imiyoboro idafite ibyuma kubikoresho byifumbire mvaruganda
GB / T17396Ipe Umuyoboro ushyushye udafite icyuma cya hydraulic prop
20 # ibyumani mubyiza byo mu rwego rwo hejuru-karuboni ya karubone, ibyuma bikonje kandi bikomeye. Icyuma gifite imbaraga nke, gukomera, plastike no gusudira. Nibikoresho byujuje ubuziranenge buke bwa karubone, ibyuma bikonje kandi bikomeye. Icyuma gifite imbaraga nke, gukomera, plastike no gusudira. Mubisanzwe bikoreshwa mugukora imiyoboro idafite icyerekezo hamwe nibibazo bikabije.
Icyiciro | Ingano | ||||||||||||||
| OD | WT | |||||||||||||
20 # | 21 ~ 1200 | 3 ~ 130 |
Icyiciro | Ibigize imiti% | ||||||||||||||
| C | Si | Mn | Cr | Mo | V | Ti | B | Ni | Cu | Nb | N | W | P | S |
20 # | 0.17- | 0.17- | 0.35- | ≤ | - | - | - | - | ≤ | ≤ | - | - | - | ≤ | ≤ |
Icyiciro | Umutungo wa mashini | ||||||||||||||
| Imbaraga za Tensile (MPa) | Imbaraga za Tensile (Mpa) | Gutora (L / T) | Ingaruka (J) Uhagaritse / Utambitse | Gukomera (NB) | ||||||||||
20 # | 410- | ≥ | ≥20% | ≥40 / 27 | - |
1. Igihe cyo gutanga: Ibarura rinini ryemeza neza ko igihe ntarengwa cyo gutanga, cyane cyane iminsi 5-7.
2.
3. Ibikoresho byo hejuru byurusyo: Irashobora gutanga ibyemezo byuzuye hamwe nimpamyabumenyi yujuje ibyangombwa kugirango yerekane ubuziranenge kandi itange inkunga kumasoko.
4
5. Nyuma ya serivisi: ibicuruzwa byose bikurikiranwa, Gukurikirana inkomoko yinshingano