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Ụlọ > Ngwaahịa > Efere ígwè > Ụgbọ mmiri nrụgide igwe anaghị agba nchara
ASTM A299 GR.B Alloy Pressure arịa efere ígwè
ASTM A299 GR.B Alloy Pressure arịa efere ígwè
ASTM A299 GR.B Alloy Pressure arịa efere ígwè
ASTM A299 GR.B Alloy Pressure arịa efere ígwè

ASTM A299 GR.B Alloy Pressure arịa efere ígwè

ASTM A299 / A299M na-ekpuchi manganese, silicon carbon steel plate maka eji na mmiri ọkụ welded na arịa nrụgide ndị ọzọ na ọkwa nchara A299 Grade A na A299 Grade B.
ASTM A299 GR.B Alloy Pressure arịa efere nchara nkọwa:
ASTM A299 Grade B ji esi mmiri ọkụ ígwè efere na opekempe mkpụrụ ike n'elu 325 Mpa, na tensile ike n'ime 550-690 Mpa.Tụnyere mgbali ụgbọ ígwè efere A299 Ọkwa A, ike n'elu 290 Mpa na tensile ike n'ime 515-655 Mpa, mgbali ụgbọ mmiri. ígwè efere SA299 Ọkwa B ekesịpde a elu values.Mgbakwunye teknuzu chọrọ maka ji esi mmiri ọkụ ígwè efere SA299 Ọkwa B dị ka simulated post-weld okpomọkụ ọgwụgwọ, ala okpomọkụ impcting ule, dobe arọ ule na elu okpomọkụ erughị ala test.Ultrasonice ule ga-mere maka SA299 ọkwa B ji esi mmiri ọkụ efere mgbe ị na-atụgharị na igwe igwe igwe anyị.
Ngwakọta kemịkalụ na arụrụ arụ:
Ngwakọta kemịkalụ A299 Ọkwa B
Ọkwa Ihe kacha (%)
C Si Mn P S Mo
A299 GR.B 0.28-0.30 0.13-0.45 0.84 -1.62 0.035 0.035 -

Ọkwa A299 Ọkwa B Akụkụ arụrụ arụ
Ọkpụrụkpụ Mmụba Ịkwụsị Ogologo oge
A299 GR.B mm Min Mpa Mpa Min %
t≦50 310-325 550-690 19
50 310-325 550-690 19

Ihe chọrọ nka na ụzụ na ọrụ ndị ọzọ:
♦  Nnwale erughị ala
♦  Nnwale emetụta ọnọdụ okpomọkụ dị ala
♦  Edoziri maka efere ndị gbara ọkpụrụkpụ karịrị 40mm
♦  Ngwọta okpomọkụ nke welded (PWHT) simulated
♦  Na-atụgharị n'okpuru ọkọlọtọ NACE MR-0175 (HIC+SSCC)
♦  Enyere asambodo ule Orginal Mill n'okpuru EN 10204 FORMAT 3.1/3.2
♦  Mgbawa agbawa na eserese, ịcha na ịgbado ọkụ dị ka onye ọrụ njedebe chọrọ.
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