API 5lbututun karfe bututu
Karfe sa: l360 ko x52 (PSL1)
Abubuwan da ke tattare da tsarin sunadarai:
C: ≤0.28 (sumulnless) ≤0.26 (welded)
Mn: ≤1.40
P: ≤0.030
S: ≤0.030
Cu: 0.50 ko kasa da
Ni: ≤0.50
CR: ≤0.50
Mo: ≤0.15
* V + nb + ti: ≤0.15
* Za'a iya ƙara abun ciki na manganese 0.05% na kowane 0.01% raguwa a cikin abubuwan carbon, har zuwa mafi yawan 1.65%
Abubuwan da ake buƙata na kayan aiki:
Yawan amfanin karfin: ≥360mpa
Tenget ƙarfi: ≥460psa
Sld Tengyarfafa bututun karfe: ≥460psa
Elongation: ≥1940 * Axc0.2 / 4600.9, a cikin AXC ita ce yankin yanki na tsallakewa
Outer diamita haƙuri na bututun karfe:
| M diamita D mm | Ƙare a waje diamita karkacewa MM | |
| M bututun | Welded karfe bututu | |
| <60.3 | -0.8, +0.4 | |
| 60.3 D ko ƙasa da 168.3 ko ƙasa da ƙasa | -0.4, +1.6 | |
| 168.3 <debe110 | ± 0.005D, amma matsakaicin ± 1.6 | |
| 610 <d≤1422 | + / - 2.0 | + / - 1.6 |
| > 1422 | Ta hanyar yarjejeniya | |
Bango gwiɓi haƙuri of baƙin ƙarfe bututu:
| Warfin Bone Tm MM | Haƙuri mm |
| M bututun | |
| 4.0 ko ƙasa da ƙasa | +0.6, -0.5 |
| 4 <T <25 | + 0.150t, -0.125t |
| 25 ko sama da haka | +3.7 ko + 0.1t, wanda ya fi girma -3.0 ko -0.1t, ɗauka mafi girma |
| Welded bututu | |
| 5.0 ko kasa | + / - 0.5 | |
| 5.0 | <T <15 | Ƙari ko debe 0.1 t |
| 15 | ko fiye | + / - 1.5 |
Api 5L ƙwayar irin 'yan itace ƙwayar irin 'yan itace
Baƙin ƙarfe daraja: L360N or X52n(PSL2)
Na kemistri kayan haɗin kai Bukatun:
C: ≤0.24
Si: ≤0.45
Mn: ≤1.40
P: ≤0.025
S: ≤0.015
V: ≤0.10
Nb:≤0.05
Ti: ≤0.04
Cu: ≤0.50
Ni: ≤0.30
CR: ≤0.30
Mo: ≤0.15
V + nb + ti: ≤0.15
* Za'a iya ƙara abun ciki na manganese ta 0.05% na kowane 0.01% raguwa a cikin abubuwan carbon, har zuwa mafi yawan 1.65%.
* Babu wani shawarar da ba da shawarar Boron, Residual B≤0.001%
Ainihin gawayi m:
CEP cm: ≤0.25
Ceiiw: ≤0.43
* Yi amfani da CE lokacin da Carbon Carbon ya fi 0.12%, kuma yi amfani da CE IIW lokacin da ke cikin Carbon Carbon ƙasa da 0.12%.
Cm cm cm cm cm cm cm 0 s / 30 + mn / 20 + cu / 20 + ni / 60 + v / 20 + mo / 15 + v / 10
Idan sakamakon bincike na smelting na b ya fi 0.0005%, to babu buƙatar haɗa da nazarin kashi a cikin carbon daidai yake da adadin carbon daidai.
Ceiiw = c + Mn / 6 (C + Mo + v) / 5 + (ni + Cu) / 15
Na inji kaddarorin Bukatun:
Yawan aiki: 360-530pta
Tenget ƙarfi: 460-760p
Ratio yawan aiki: ≤0.93 (kawai zartar da D> 323.9mm karfe bututu)
Sld Tengyarfafa bututun karfe: ≥460psa
Mafi qarancin Elongation: = 1940 * Axc0.2 / 4600.9, a cikin AXC ita ce yanki-sashi na tsarin tensile.
Gwajin tasirin cvn na bututu
Gwajin zazzabi 0 .C
| Saka a waje diamita na D MM | Cikakken girman CVNRufe makamashiKVJ |
| 508 ko ƙasa da ƙasa | 27 |
| > 508 zuwa 762 | 27 |
| > 762 zuwa 914 | 40 |
| > 914 zuwa 1219 | 40 |
| > 1219 zuwa 1422 | 40 |
| > 1422 zuwa 2134 | 40 |
M diamita haƙuri of baƙin ƙarfe bututu:
| M diamita D mm | Ƙare a waje diamita karkacewa | |
| M bututun | Welded karfe bututu | |
| <60.3 | -0.4, +0.8 | |
| 60.3 D ko ƙasa da 168.3 ko ƙasa da ƙasa | -0.4, +1.6 | |
| 168.3 <D = 610 | ± 0.005D, amma matsakaicin ± 1.6 | |
| 610 <D = 1422 | + / - 2.0 | + / - 1.6 |
| > 1422 | Ta hanyar yarjejeniya | |
Bango gwiɓi haƙuri of baƙin ƙarfe bututu:
| Warfin Bone Tm MM | Haƙuri |
| M bututun | |
| 4.0 ko ƙasa da ƙasa | +0.6, -0.5 |
| 4 <T <25 | + 0.150t, -0.125t |
| 25 ko sama da haka | +3.7 ko + 0.1t, duk wanda ya fi girma -3.0 ko -0.1T, ɗauka mafi girma |
| Welded bututu | |
| 5.0 ko kasa | + / - 0.5 |
| 5.0 <T <15 | Ƙari ko debe 0.1 t |
| 15 ko fiye | + / - 1.5 |
Lokaci: Satumba 26-2023
