Bututun yumbu mai jure lalacewa na roba na Chemshun bututun roba ne mai layi biyu na yumbu wanda ke ba da juriya ta musamman ga gogewa, tsatsa, da yanayin zafi mai yawa. An saka rufin yumbu a cikin bututun roba, wanda ke sa ya fi dorewa da sassauƙa fiye da bututun ƙarfe na gargajiya. Wannan ƙirar mai sassauƙa tana ba shi damar lanƙwasawa cikin sauƙi a kusa da kusurwoyi da cikas ba tare da haifar da lalacewa da tsagewa da ba a so a kan bututun ba.
1) Babban tauri.
2) Yana da sassauƙa sosai kuma yana lanƙwasa saboda haɗin roba.
3) Kyakkyawan juriya ga lalacewa da kuma hana tasirin.
4) Girman bututu daban-daban da ake amfani da su da yawa.
5) Ƙarancin kuɗin kulawa: Juriya sosai tana rage yawan kulawa da kuma farashin kulawa.
1) Masana'antar hakar ma'adinai
2) Masana'antar siminti
3) Masana'antar sarrafa kwal
4) Masana'antar Karfe
5) Masana'antar tashar jiragen ruwa
6) Tashar wutar lantarki
| diamita | ID | OD | Lanƙwasawa ta sa | Tsawon | Matsi | |
| inci | mm | mm | mm | Mpa | m | Kg/cm2 |
| 1 | 25 | 25.4 | 42 | 300 | 10 | 10 |
| 1 1/4 | 32 | 31.8 | 50 | 380 | 10 | 10 |
| 1 1/2 | 38 | 38.1 | 56 | 480 | 10 | 10 |
| 2 | 50 | 50.8 | 72 | 600 | 20 | 10 |
| 2 1/2 | 65 | 63.5 | 94 | 780 | 20 | 10 |
| 3 | 75 | 76.2 | 105 | 900 | 20 | 10 |
| 3 1/2 | 90 | 88.9 | 120 | 1080 | 20 | 10 |
| 4 | 100 | 101.6 | 140 | 1200 | 20 | 10 |
| 5 | 125 | 127 | 160 | 1500 | 20 | 10 |
| 6 | 150 | 152.4 | 190 | 1800 | 20 | 10 |
| 8 | 200 | 200 | 235 | 2400 | 10 | 10 |
| 10 | 250 | 250 | 290 | 3000 | 10 | 10 |
| 12 | 300 | 300 | 350 | 3600 | 10 | 10 |
Muna karɓar umarni na musamman.
Idan kuna son ƙarin bayani game da samfurin, da fatan za ku iya tuntuɓar mu kuma za mu ba ku mafi kyawun samfurin da mafi kyawun sabis!