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Ụlọ > Ngwaahịa > Efere ígwè > Carbon  Steel
ASTM A514 ọkwa T ígwè efere
ASTM A514 ọkwa T ígwè efere
ASTM A514 ọkwa T ígwè efere
ASTM A514 ọkwa T ígwè efere

ASTM A514 ọkwa T ígwè efere

ASTM A514 bụ nke a na-ejikarị dị ka ígwè arụpụtara na cranes na nnukwu igwe na-ebu ibu. A514 bụ ụdị nchara siri ike dị elu, nke a na-emenyụ ma na-ekpo ọkụ alloy steel, na-enye ike nke 100,000 psi (100 ksi ma ọ bụ ihe dịka 700 MPa).
Ozi ngwaahịa

ASTM A514 bụ nke a na-ejikarị dị ka ígwè arụpụtara na cranes na nnukwu igwe na-ebu ibu.

A514 bụ ụdị nchara siri ike dị elu, nke a na-emenyụ ma na-ekpo ọkụ alloy steel, na-enye ike nke 100,000 psi (100 ksi ma ọ bụ ihe dịka 700 MPa). Aha ejiri akara ArcelorMittal bụ T-1. A514 bụ nke a na-eji dị ka ígwè arụpụtara maka owuwu ụlọ. A517 bụ ihe njikọ chiri anya nke a na-eji maka imepụta arịa nrụgide dị elu.

Nke a bụ ọkọlọtọ nke ụlọ ọrụ ọkọlọtọ ASTM International setịpụrụ, ụlọ ọrụ mmepe ụkpụrụ afọ ofufo na-esetịpụ ụkpụrụ teknụzụ maka ngwa, ngwaahịa, sistemu na ọrụ.

A514
A na-akọwapụta ike ike nke A514 alloys dị ka opekata mpe 100 ksi (689 MPa) maka ọkpụrụkpụ ruo 2.5 inch (63.5 mm) nnukwu efere, yana opekata mpe 110 ksi (758 MPa) ike tensile kacha, yana oke njedebe akọwapụtara. 110–130 ksi (758–896 MPa). Efere sitere na 2.5 ruo 6.0 inch (63.5 ruo 152.4 mm) gbara ọkpụrụkpụ akọwapụtala ike nke 90 ksi (621 MPa) (mkpụrụ) na 100-130 ksi (689-896 MPa) (nke kacha).

A517
A517 ígwè nwere nha nha nha mkpụrụ ike, mana ọ dị ntakịrị elu akọwapụtara ike ikpeazụ nke 115-135 ksi (793-931 MPa) maka ọkpụrụkpụ ruo 2.5 sentimita (63.5 mm) na 105-135 ksi (724-931 MPa) maka ọkpụrụkpụ 2.5 ruo 6.0 sentimita (63.5 ruo 152.4 mm).

Ojiji
A na-eji ígwè A514 eme ihe ebe a na-achọrọ ígwè, nke a na-eji eme ihe, na ike dị elu iji chekwaa ibu ma ọ bụ izute ike kachasị ike. A na-ejikarị ya eme ihe dị ka nchara arụpụtara n'ihe owuwu ụlọ, cranes, ma ọ bụ nnukwu igwe ndị ọzọ na-akwado ibu dị elu.

Tụkwasị na nke a, a na-akọwapụta ígwè A514 site n'ụkpụrụ ndị agha (ETL 18-11) maka iji ya mee ihe dị ka obere ogwe aka na-agbapụ na baffles na deflector efere.

Ngwakọta kemịkalụ & akụrụngwa akụrụngwa

Ngwa igwe maka A514GrT alloy steel:

Ọkpụrụkpụ (mm) Ike mpụta (≥Mpa) Ike tensile (Mpa) Mgbatị na ≥,%
50mm
T≤65 690 760-895 18
65 620 690-895 16

Ngwakọta kemịkalụ maka A514GrT alloy steel (Heat Analysis Max%)

Ihe mejupụtara kemịkalụ bụ isi nke A514GrT
C Si Mn P S B Mo V
0.08-0.14 0.40-0.60 1.20-1.50 0.035 0.020 0.001-0.005 0.45-0.60 0.03-0.08

Ihe chọrọ nka na ụzụ na ọrụ ndị ọzọ:

  • Nnwale esemokwu dị elu
  • Nnwale emetụta ọnọdụ okpomọkụ dị ala
  • Ngwọta okpomoku nke welded post-welded (PWHT)
  • Enyere asambodo ule Orginal Mill n'okpuru EN 10204 FORMAT 3.1/3.2
  • Mgbe akọwapụtara nchara nchara maka A709 Gr36, ọdịnaya Cu≥0.20%
  • Agba agba agba na eserese, ịcha na ịgbado ọkụ dị ka onye ọrụ njedebe chọrọ
  • Ọkpụrụkpụ dị arọ (inch 3 ma ọ bụ karịa) dị n'ọtụtụ ebe nkesa Steel Leeco.
  • Dị na ọkọlọtọ akara ule: 36, 50 na 50W.
  • Dị na akara ule dị elu: HPS 50W na HPS 70W.
  • Ndị ahịa nwere ike ezipụta akara ule A709 iji zute ule Charpy chọrọ maka mpaghara na ihu igwe akọwapụtara.
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