[Kopi] 20# paipa e leai se mea
Avanoa o Fa'aoga
O lenei ituaiga paipa e faʻaaogaina mo le felauaiga o suauʻu, kesi masani, kesi, vai, ma nisi mea mautu
Vasega Autu
Vasega o le maualuga o le carbon structural steel: 20g, 20mng, 25mng
Vasega o u'amea fausaga u'amea15mog,20mog,12crmog,15crmog,12cr2mog,12crmovg,12cr3movsitib, ma isi
Vasega o u'amea fa'asa'o vevela ele1cr18ni9 1cr18ni11nb
Vaega Vailaau
Vasega | Vaega o Vailaau Fa'asaina % | ||||||||||||||
| C | Si | Mn | Cr | Mo | V | Ti | B | Ni | Cu | Nb | N | W | P | S |
20# | 0.17- | 0.17- | 0.35- | ≤ | — | — | — | — | ≤ | ≤ | — | — | — | ≤ | ≤ |
Meatotino Fa'ainisinia
Vasega | Meatotino Fa'ainisinia | ||||
| Tensile | Tuuina atu | Faalautele | A'afiaga (J) | Limalima |
20# | 410- | ≥ | ≥20% | — | — |
Su'ega Manaoga
I le faʻaopopoga i le faʻamautinoaina o vailaʻau ma mea faʻainisinia, o suʻega hydrostatic e faia taʻitoʻatasi, ma faʻataʻitaʻiina ma faʻamafola suʻega. . E le gata i lea, o loʻo i ai ni manaʻoga faapitoa mo le microstructure, saito tele, ma le decarburization layer o le paipa uamea maeʻa.
Fa'amanuiaga
1. Vaitaimi tu'uina atu: Fa'atauga tele ia mautinoa le taimi la'ititi la'ititi, aemaise lava 5-7 aso.
2. Puleaina o tau: Punaoa o lo'o i lima ma le tele o le poto masani i le puleaina o tau e mafai ai ona tatou tuʻuina atu punaoa sili ona talafeagai i manaʻoga o tagata faʻatau.
3. Top mill punaoa: E mafai ona tuʻuina atu tusi faʻamaonia atoatoa ma pepa faʻamaonia e faʻamaonia ai le maualuga ma le lagolago ile tender.
4. Strict QC system: Su'esu'ega atoa i luga ole laiga, su'ega atoa ma lipoti, asiasiga a isi vaega.
5.After auaunaga: oloa uma traceable, tagata faatau tali atu i puna