Api 5ltuubada birta
Fasalka birta: l360 ama x52 (psl1)
Shuruudaha isku-darka kiimikada:
C: ≤0.28 (selentan la'aan) ≤0.26 (Weelka Week)
MN: ≤1.40
P: ≤0.030
S: ≤0.030
Cu: 0.50 ama ka yar
NI: ≤0.50
CR: ≤0.50
Mo: ≤0.15
* V + nb + ti: ≤0.15
* Maantunes manganese waxaa lagu kordhin karaa 0.05% dhimista 0.01%%%% ka mid ah waxa ku jira kaarboonka, ilaa ugu badnaan 1.65%
Shuruudaha dhismayaasha farsamada:
Xoog dhalid: ≥360mpa
Xoog TSenlisle: ≥460mpa
Wald Triff of the pipe ppe aded ppe: ≥460mpa
Elongution: ≥1940 * axc0.2 / 4600.9, halkaas oo axc ay tahay aagga iskutallaabta ee muunadda tensile
Dhex-dhexaadinta dibadda ee tuubada birta:
| Dhexroor d mm | Dhamaadka Dibedda Dibadda Mm | |
| Tuubbada birta ah | Weelka birta | |
| <60.3 | -0.8, +0.4 | |
| 60.3 d ama kayar 168.3 ama ka yar | -0.4, +1.6 | |
| 168.3 <dі10 | ± 0.005d, laakiin ugu badnaan ± 1.6 | |
| 610 <D1422 | + / - 2.0 | + / - 1.6 |
| > 1422 | Heshiis | |
Derbi dhumuc weyni dulqaad of bir Twine:
| Dhumucda darbiga t mm | Dulqaadashada mm |
| Tuubbada birta ah | |
| 4.0 ama ka yar | +0.6, -0.5 |
| 4 <t <25 | + 0.150T, -0.125T |
| 25 ama ka sareeya | +3.7 ama + 0.1T, hadba kan weyna -3.0 ama -0.t, qaado |
| Tuubada welded | |
| 5.0 ama ka yar | + / - 0.5 | |
| 5.0 | <t <15 | Lagu daray ama laga jaray 0.1 t |
| 15 | ama ka badan | + / - 1.5 |
Bir heer u qaybin: L360N or X52n(Psl2)
Kiimiko ah ka kooban Shuruuda:
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
* Waxyaabaha Mannagase ah waxaa lagu kordhin karaa 0.05% dhimista 0.01%%%% ka mid ah waxyaabaha kaarboonka ah, ilaa ugu badnaan 1.65%.
* Isku darka ulakaca ah ee Boron waa la oggol yahay, hadhaagii B.0.001%
Kaarboon u dhigma:
CEP CM: ≤0.25
Ceiiw: ≤0.43
* U isticmaal ce-ga kaarboonka ka badan yahay 0.12%, oo u isticmaal CE IIW markanp-ka kaarboon-ka-baxa uu ka yar yahay ama u dhigantaa 0.12%.
CEP CM = c + SI / 30 + MN / 20 + CU / 20 + NI / 60 + CR / 20 + m / 15 + v / 10 + 5b
Haddii natiijada falanqaynta 'SMreting ee B' wax ka yar 0,0005%, markaa looma baahna in lagu daro falanqaynta sheyga b ee falanqaynta sheybada, iyo waxa ku jira Buntor-ka waxaa loola dhaqmayaa sidii eber ka sinnaadka CEP CEP cm cm cm cm cm cm cep cm cm cep cm cm cp cm cm cm cep cm cm cm cep cm cm cm cep cm cm cm cp cm cep cm cm cm cep cm cm cm cm cep cm cm cm cep cm cm cep cm cm cm cm cep cm cm cm cm cep cm cm cep cm.
Ceiiw = c + MN / 6 (c + m + m + v) / 5 + (ni + cu) / 15
Mashiin ah Guryaha Shuruuda:
Xoog dhalid: 360-530mpa
Xoogga Tsile: 460-760mpa
Saamiga saamiga: ≤0.93 (kaliya oo lagu dabaqi karo d> 323.9mm steel ppef)
Wald Triff of the pipe ppe aded ppe: ≥460mpa
Ugu yaraan Nolosha
CVN Saamaynta Imtixaanka TUBE
Heerkulka tijaabada 0 .c
| Sheeg dhexroor bannaanka ah ee D mm | Cabbirka buuxa ee CVNTamar la nuugoKVJ |
| 508 ama ka yar | 27 |
| > 508 illaa 762 | 27 |
| > 762 ilaa 914 | 40 |
| > 914 ilaa 1219 | 40 |
| > 1219 illaa 1422 | 40 |
| > 1422 ilaa 2134 | 40 |
Dhan sare dhexroor dulqaad of bir Twine:
| Dhexroor d mm | Dhamaadka dibadbax ka baxsan | |
| Tuubbada birta ah | Weelka birta | |
| <60.3 | -0.4, +0.8 | |
| 60.3 d ama kayar 168.3 ama ka yar | -0.4, +1.6 | |
| 168.3 <d = 610 | ± 0.005d, laakiin ugu badnaan ± 1.6 | |
| 610 <d = 1422 | + / - 2.0 | + / - 1.6 |
| > 1422 | Heshiis | |
Derbi dhumuc weyni dulqaad of bir Twine:
| Dhumucda darbiga t mm | Cadaadis |
| Tuubbada birta ah | |
| 4.0 ama ka yar | +0.6, -0.5 |
| 4 <t <25 | + 0.150T, -0.125T |
| 25 ama ka sareeya | +3.7 ama + 0.1T, mid kastoo ka weyn -3.0 ama -0.1T, qaado |
| Tuubbooyinka welded | |
| 5.0 ama ka yar | + / - 0.5 |
| 5.0 <t <15 | Lagu daray ama laga jaray 0.1 t |
| 15 ama ka badan | + / - 1.5 |
Waqtiga Post: Sep-26-2023
