API 5L papa X52 (L360)PSL1, papa X52N (L360N) PSL2 Hoʻohui kemika, nā waiwai tensile a me ka anawaena o waho ka mānoanoa o ka pā.

API 5Lpaipu kila paipu

Papa kila: L360 a i ʻole X52 (PSL1)

Nā koi hoʻohui kemika:

C: ≤0.28 (maʻemaʻe) ≤0.26 (welded)

Mn: ≤1.40

P: ≤0.030

S: ≤0.030

Cu: 0.50 a emi mai paha

Ni: ≤0.50

Cr: ≤0.50

Mo: ≤0.15

*V+Nb+Ti: ≤0.15

* Hiki ke hoʻonui ʻia ka maʻiʻo manganese e 0.05% no kēlā me kēia 0.01% hōʻemi i ka maʻi kalapona, a hiki i ka 1.65% kiʻekiʻe.

Nā mea e pono ai ka mīkini:

Ka ikaika hua: ≥360Mpa

Ka ikaika tensile: ≥460Mpa

Weld tensile ikaika o welded kila paipu: ≥460Mpa

Elongation: ≥1940* AXC0.2/4600.9 , kahi o AXC ka mahele kea o ka laana tensile

ʻO ke anawaena o waho o ka paipu kila:

Anawaena waho D mm Hoʻopau i ka ʻokoʻa anawaena o waho mm
Paipu kila ʻole Paipu kila welo
< 60.3 -0.8, +0.4
60.3 D a emi mai paha 168.3 a emi mai -0.4, +1.6
168.3 < D≤610 ± 0.005D, akā ʻoi loa ± 1.6
610 < D≤1422 + / - 2.0 + / - 1.6
> 1422 Ma ka ʻaelike

 

 mānoanoa hoʻomanawanui of kila paipu:

Mānoanoa pā t mm Hoʻomanawanui mm
Paipu kila ʻole
4.0 a emi mai paha +0.6, -0.5
4 < t < 25 +0.150t, -0.125t
25 a ʻoi aku paha +3.7 a i ʻole +0.1t, ʻoi aku ka nui -3.0 a i ʻole -0.1t, e lawe i ka nui
Paipu welo
5.0 a emi mai paha + / - 0.5
5.0 < t < 15 Hoʻonui a emi paha 0.1 t
15 a ʻoi aku paha + / - 1.5

 

API 5L paipu paipu

kila papa: L360N or X52N(PSL2)

Kemika haku mele pono:

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

* Hiki ke hoʻonui ʻia ka maʻiʻo manganese e 0.05% no kēlā me kēia 0.01% ka emi ʻana o ke kalapona, a hiki i ka 1.65%.

* ʻAʻole ʻae ʻia ka hoʻohui ʻana o ka boron, koena B≤0.001%

Kalapona mea like:

CEP knm : ≤0.25

CEIIW : ≤0.43

* E hoʻohana i ka CE inā ʻoi aku ka nui o ke kalapona ma mua o 0.12%, a e hoʻohana i ka CE IIW inā ʻoi aku ka liʻiliʻi o ke kalapona ma mua o 0.12%.

CEP cm = C+Si/30+Mn/20+Cu/20+Ni/60+Cr/20+Mo/15+V/10+5B

Inā emi ka hopena o ka hoʻoheheʻe ʻana o B ma mua o 0.0005%, a laila ʻaʻohe pono e hoʻokomo i ka ʻikepili o ka mea B i ka ʻikepili huahana, a hiki ke mālama ʻia ka ʻike B ma ke ʻano he zero i ka helu CEP cm like.

CEIIW =C+Mn/6 (C+Mo+V)/5+(Ni+Cu)/ 15

Mechanical waiwai pono:

Ka ikaika hana: 360-530Mpa

Ka ikaika tensile: 460-760Mpa

Lakiō hua: ≤0.93 (pili wale iā D > 323.9mm paipu kila)

Weld tensile ikaika o welded kila paipu: ≥460Mpa

ʻO ka elongation liʻiliʻi: = 1940* AXC0.2/4600.9, kahi o AXC ka ʻāpana keʻa o ka hāpana tensile.

ʻO ka hōʻike hopena CVN o ka paipu

Ka wela hoao 0 .C

E wehewehe i ke anawaena o waho o D mm Nui piha CVNikehu hoʻopaʻa ʻiaKVJ
508 a emi mai paha 27
> 508 i 762 27
> 762 i 914 40
> 914 a hiki i 1219 40
> 1219 a hiki i 1422 40
> 1422 i 2134 40

Iwaho anawaena hoʻomanawanui of kila paipu:

Anawaena waho D mm E hoʻopau i ke anawaena o waho
Paipu kila ʻole Paipu kila welo
< 60.3 -0.4, +0.8
60.3 D a emi mai paha 168.3 a emi mai -0.4, +1.6
168.3 < D=610 ± 0.005D, akā ʻoi loa ± 1.6
610 < D=1422 + / - 2.0 + / - 1.6
> 1422 Ma ka ʻaelike

 mānoanoa hoʻomanawanui of kila paipu:

Mānoanoa pā t mm Hoʻomanawanui
Paipu kila ʻole
4.0 a emi mai paha +0.6, -0.5
4 < t < 25 +0.150t, -0.125t
25 a ʻoi aku paha +3.7 a i ʻole +0.1t, ʻoi aku ka nui

-3.0 a i ʻole -0.1t, lawe nui

Paipu welo
5.0 a emi mai paha + / - 0.5
5.0 < t < 15 Hoʻonui a emi paha 0.1 t
15 a oi + / - 1.5

Ka manawa hoʻouna: Sep-26-2023