API 5L ọkwa X52 (L360) PSL1, ọkwa X52N (L360N) PSL2 Ngwakọta kemịkalụ, Njirimara tensile na mpụta dayameta mgbidi ọkpụrụkpụ ndidi.

API 5Lọkpọkọ ọkpọkọ ígwè

ọkwa igwe: L360 ma ọ bụ X52 (PSL1)

Ihe mejupụtara kemịkalụ chọrọ:

C: ≤0.28(enweghị nkebi) ≤0.26(welded)

Nna: ≤1.40

P: ≤0.030

S: ≤0.030

Cu: 0.50 ma ọ bụ obere

Nkeji: ≤0.50

Kr: ≤0.50

Mo: ≤0.15

*V+Nb+Ti: ≤0.15

Enwere ike ịbawanye ọdịnaya manganese site na 0.05% maka mbelata 0.01% ọ bụla na ọdịnaya carbon, ruo kacha nke 1.65%

Ihe akụrụngwa chọrọ:

Ike mpụta: ≥360Mpa

Ike ntanye: ≥460Mpa

Weld tensile ike nke welded ígwè anwụrụ: ≥460Mpa

Elongation: ≥1940* AXC0.2/4600.9 , ebe AXC bụ akụkụ cross-section nke tensile sample

Nkwadebe nke dayameta dị n'èzí nke ọkpọkọ ígwè:

Dayameta nke mpụta D mm Akwụsị n'èzí dayameta nkewa mm
Ọkpụkpọ ígwè enweghị nkebi Ọkpụkpọ ígwè welded
< 60.3 -0.8, +0.4
60.3 D ma ọ bụ obere 168.3 ma ọ bụ obere -0.4, +1.6
168.3 <D≤610 ± 0.005D, mana kacha ± 1.6
610 <D≤1422 +/- 2.0 +/- 1.6
> 1422 Site na nkwekọrịta

 

Mgbidi ọkpụrụkpụ ndidi of ígwè ọkpọkọ:

Mgbidi ọkpụrụkpụ t mm Ntachi obi mm
Ọkpụkpọ ígwè enweghị nkebi
4.0 ma ọ bụ obere + 0.6, -0.5
4 <t <25 +0.150t, -0.125t
25 ma ọ bụ karịa +3.7 ma ọ bụ +0.1t, nke ọ bụla buru ibu -3.0 ma ọ bụ -0.1t, buru ibu karịa.
welded tube
5.0 ma ọ bụ obere +/- 0.5
5.0 <t <15 gbakwunyere ma ọ bụ mwepu 0.1 t
15 ma ọ bụ karịa +/- 1.5

 

API 5L ọkpọkọ ọkpọkọ

Igwe igwe ọkwa: L360N or X52N(PSL2)

Chemical mejupụtara chọrọ:

C: ≤0.24

Ebe: ≤0.45

Nna: ≤1.40

P: ≤0.025

S: ≤0.015

V: ≤0.10

Nb:≤0.05

Nke: ≤0.04

Ihe: ≤0.50

Aha: ≤0.30

Kr: ≤0.30

Mo: ≤0.15

V+Nb+Ti: ≤0.15

* Enwere ike ịbawanye ọdịnaya manganese site na 0.05% maka mbelata 0.01% ọ bụla na ọdịnaya carbon, ruo kacha nke 1.65%.

* Ọnweghị ụma gbakwụnye boron anabataghị, nke fọdụrụ B≤0.001%

Carbon nhata:

CEP cm: ≤0.25

CEIIW: ≤0.43

* Jiri CE mgbe ọdịnaya carbon karịrị 0.12%, ma jiri CE IIW mgbe Pcm ọdịnaya carbon na-erughị ma ọ bụ hà nhata 0.12%.

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

Ọ bụrụ na nsonaazụ nyocha nke B na-erughị 0.0005%, ọ dịghị mkpa ịgụnye nyocha nke element B na nyocha ngwaahịa, na ọdịnaya B nwere ike na-emeso ya dị ka efu na carbon kwekọrọ CEP cm ngụkọta oge.

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

Mechanical Njirimara chọrọ:

Ike mpụta: 360-530Mpa

Ike nkwụsị: 460-760Mpa

Ọnụọgụ mkpụrụ: ≤0.93 (naanị ọdabara na D> 323.9mm ígwè ọkpọkọ)

Weld tensile ike nke welded ígwè anwụrụ: ≥460Mpa

Opekempe elongation: = 1940 * AXC0.2 / 4600.9 , ebe AXC bụ mpaghara obe nke ihe nlere anya.

CVN mmetụta ule nke tube

Nwalee okpomọkụ 0.C

Ezipụta dayameta dị n'èzí nke D mm CVN zuru okeIke absorptionKVJ
508 ma ọ bụ obere 27
> 508 ruo 762 27
> 762 ruo 914 40
> 914 ruo 1219 40
> 1219 ruo 1422 40
> 1422 ruo 2134 40

Mpụta dayameta ndidi of ígwè ọkpọkọ:

Dayameta nke mpụta D mm Nkwụsị n'èzí dayameta
Ọkpụkpọ ígwè enweghị nkebi Ọkpụkpọ ígwè welded
< 60.3 -0.4, +0.8
60.3 D ma ọ bụ obere 168.3 ma ọ bụ obere -0.4, +1.6
168.3 <D=610 ± 0.005D, mana kacha ± 1.6
610 <D=1422 +/- 2.0 +/- 1.6
> 1422 Site na nkwekọrịta

Mgbidi ọkpụrụkpụ ndidi of ígwè ọkpọkọ:

Mgbidi ọkpụrụkpụ t mm Nkwenye
Ọkpụkpọ ígwè enweghị nkebi
4.0 ma ọ bụ obere + 0.6, -0.5
4 <t <25 +0.150t, -0.125t
25 ma ọ bụ karịa +3.7 ma ọ bụ +0.1t, nke ọ bụla ka ukwuu

-3.0 ma ọ bụ -0.1t, buru ibu

Ọkụ welded
5.0 ma ọ bụ obere +/- 0.5
5.0 <t <15 gbakwunyere ma ọ bụ mwepu 0.1 t
15 ma ọ bụ karịa +/- 1.5

Oge nzipu: Sep-26-2023