6063 aluminum eriri igwe

Nkọwa dị mkpirikpi:

Ọkpụrụkpụ: 0.15-6.0mm

Iwe: Ihe niile dị, H1X, H2X, H3X, O, HXXX

Obosara: 25-1600mm

eriri igwe ID: 75mm, 150mm, 200mm, 300mm, 400mm, 508mm ma ọ bụ negotiable


  • Ọnụ ego FOB:US $ 0.5 - 9,999 / akụkụ
  • Ọnụ ọgụgụ nke Min.100 Iberibe/Iberibe
  • Ikike inye:10000 Iberibe/Iberibe kwa ọnwa
  • Port:Shanghai, Ningbo, Shenzhen
  • Oge Mbuga ozi:7-10 ụbọchị mgbe akwado iwu
  • Mmalite:China
  • Oge ịkwụ ụgwọ:T/T, L/C
  • Ọkọlọtọ:ASTM,AISI,SUS,JIS,EN,DIN,GB, ASME, wdg
  • igwe igwe:Pocso / Tisco / Lisco / Jisco / Bao ígwè / H Wang
  • Nkọwa ngwaahịa

    Nkọwa nka nka

    Ngwungwu ngwaahịa & Mbupu

    Okwu Mmalite nke ụlọ ọrụ

    Ajụjụ & Azịza

    Mkpado ngwaahịa

    Akụkụ: 6063

    Ọkpụrụkpụ: 0.15-6.0mm

    Iwe: Ihe niile dị, H1X, H2X, H3X, O, HXXX

    Obosara: 25-1600mm

    eriri igwe ID: 75mm, 150mm, 200mm, 300mm, 400mm, 508mm ma ọ bụ negotiable

    Usoro mmepụta: oyi na-atụ oyi, ọkụ ọkụ

    6063 aluminum eriri igwe

    Otu na mkpado:
    Aluminom eriri igwe , ,

    Akụkụ: 6063

    Ọkpụrụkpụ: 0.15-6.0mm

    Iwe: Ihe niile dị, H1X, H2X, H3X, O, HXXX

    Obosara: 25-1600mm

    eriri igwe ID: 75mm, 150mm, 200mm, 300mm, 400mm, 508mm ma ọ bụ negotiable

    ajuju

      • Nkọwapụta

    6063 Aluminom eriri igwe bụ aluminum alloy na magnesium na silicon dị ka alloying ọcha, na-agafeghị oke ike, ezi corrosion iguzogide, weldability, oxidation mmetụta. Ihe eji arụ ọrụ nke 6063 dabere na oke iwe, ma ọ bụ ọgwụgwọ okpomọkụ, nke ihe ahụ. Igwe ọkụ ndị a na-ejikarị eme ihe bụ O, T4, T6, T651, F wdg Haomei 6063 aluminum alloy coil nwere asambodo JIS, AISI, ASTM, GB, DIN, EN.

    Akụkụ: 6063

    Ọkpụrụkpụ: 0.15-6.0mm

    Iwe: Ihe niile dị, H1X, H2X, H3X, O, HXXX

    Obosara: 25-1600mm

    eriri igwe ID: 75mm, 150mm, 200mm, 300mm, 400mm, 508mm ma ọ bụ negotiable

    Usoro mmepụta: oyi na-atụ oyi, ọkụ ọkụ

     

    Ngwakọta kemịkalụ nke 6063 Aluminom Coil

     

    Ọkwa Si Fe Cu Mn Mg Cr Ni Zn Al
    6063 0.20-0.6 0,350 0.100 0.100 0.45-0.9 0.100 - 0.100 foduru

    6063 aluminum eriri igwenwere n'ozuzu ezi n'ibu Njirimara na ọ bụ okpomọkụ ọgwụgwọ na nke ukwuu iji. Enwere ike ịmeghachi ihe ahụ ọkụ ọkụ iji weghachi iwe dị elu maka akụkụ ahụ dum. A na-emepụta 6063 al eriri igwe na-eji ezigbo mma dị mma maka anodizing ma jiri ya mee ihe n'ọtụtụ chọrọ nke ike ụfọdụ na nguzogide dị elu na corrosion antibacterial nke akụkụ ụlọ ọrụ dị iche iche, dị ka akụkụ akpaaka, mmepụta ihe owuwu, windo na ọnụ ụzọ, arịa ụlọ aluminum. , ngwa eletrọnịkị yana ngwaahịa dị iche iche na-adịgide adịgide.

    Igwe ọkụ nke 6063 Aluminom Coil

    F Ọnọdụ nhazi
    H Ọnọdụ ike siri ike
    O Na-ewe iwe
    T Ọnọdụ ọgwụgwọ okpomọkụ
    H112 Ọnọdụ siri ike dị ọcha, emezigharịrị ruo n'ókè nke ike siri ike na mgbakasị ahụ.
    T4 Ọgwụgwọ ngwọta siri ike na arụmọrụ eke iji nweta ọnọdụ nkwụsi ike zuru oke
    T5 Ọnọdụ ịka nká artificial nke reentry mgbe okpomọkụ dị elu dị jụụ
    T6 Artificial ịka nká steeti mgbe ọgwụgwọ ngwọta siri ike

  • Nke gara aga:
  • Osote:

  • Ọkwa ihe

    Ihe onwunwe ASTM A240 Standard 201, 304 304L 304H 309S 309H 310S 310H 316 316H 316L 316Ti 317 317L 321 321H 347 347H 409 4104 410S
    ASTM A480 ọkọlọtọ 302, s30215, s30452, s30615, 308, 309, 309Cb, 310, 310Cb, S32615, S33228, S38100, 304H, 309H, 316H, 309H, 316H, 310H 321H,347H, 348H, S31060, N08811, N08020, N08367, N08810, N08904,N08926, S31277, S20161, S30600, S30601, S312S, S3312S S32654, S32053, S31727, S33228, S34565, S35315,S31200, S31803, S32001, S32550, S31260, S32003. S32520, S32750, S32760, S32900, S32906, S32950, ​​S32974
    JIS 4304-2005 ọkọlọtọ SUS301L, SUS301J1, SUS302, SUS304, SUS304L, SUS316/316L, SUS309S, SUS310S, 3SUS21L, SUS347, SUS410L, SUS430, SUS630  
    JIS G4305 ọkọlọtọ SUS301, SUS301L, SUS301J1, SUS302B, SUS304, SUS304Cu, SUS304L, SUS304N1, SUS304N2, SUS304LN, SUS304J1, SUSJ2, SUS305, SUS3301SL, SUS309S2 SUS315J1, SUS315J2, SUS316, SUS316L, SUS316N, SUS316LN, SUS316Ti, SUS316J1, SUS316J1L, SUS317, SUS317L, SUS317LN, SUS3131JUS, SUS3131JUS SUS890L, SUS321, SUS347, SUSXM7, SUSXM15J1, SUS329J1, SUS329J3L, SUS329J4L, SUS405, SUS410L, SUS429, SUS430, SUS430LX, SUS430LX, SUS43 SUS40SUS SUS436J1L, SUS444, SUS445J1, SUS445J2, SUS447J1, SUSXM27, SUS403, SUS410, SUS410S, SUS420J1, SUS420J2, SUS440A

    Nkọwapụta ngwaahịa

    Mechaa Ọkpụrụkpụ Njirimara Ngwa
    Nke 1 3.0mm ~ 50.0mm Emechara ya site na mkpọgharị ọkụ, mgbakasị ahụ na pickling, nke ejiri elu na-acha ọcha mara Ngwá ọrụ ụlọ ọrụ kemịkalụ, tankị ụlọ ọrụ
    Nọmba 2B 0.3mm ~ 6.0mm Emechara ya site na ọgwụgwọ okpomọkụ, pickling mgbe oyi na-atụgharị, na-esote ahịrị ngafe akpụkpọ ahụ ka ọ na-egbuke egbuke ma dịkwa larịị Ngwa ngwa ahụike n'ozuzu, tebụl
    Mba. BA (Bright Annealed) 0.5mm ~ 2.0mm ọgwụgwọ okpomọkụ na-egbuke egbuke mgbe oyi na-atụgharị Ngwa kichin, ngwa kichin, ebumnuche ụlọ
    Nke 4 0.4mm ~ 3.0mm Ntugharị na nọmba 150 ruo No.180 mesh abrasives. Emecha kacha ewu ewu Ebe a na-edozi mmiri ara ehi & nri, akụrụngwa ụlọ ọgwụ, ebe ịsa ahụ
    Nke 8 0.5mm ~ 2.0mm Elu na-egosipụta enyo dị ka enyo site na iji abrasives ndị mara mma na-ekpocha ihe karịrị ntupu 800 Reflector, mirror, Ime-Mpụga mma maka ewu
    HL (Ahịhịa ntutu) 0.4mm ~ 3.0mm Emechara ya site na polishing linear na-aga n'ihu Ihe owuwu ihe owuwu, escalators, ụgbọ ala ngwa nri kichin

    Ngwakọta kemịkalụ

    Ọkwa

    C

    Si

    Mn

    P

    S

    Cr

    Ni

    Mo

    Ti

    N

    Cu

    Nb

    201

    ≤0.15

    ≤1.0

    5.50-7.50

    ≤0.05

    ≤0.03

    16.00-18.00

    3.50-5.50

    -

    -

    0.05-0.25

    -

    -

    202

    ≤0.15

    ≤1.0

    7.50-10.00

    ≤0.05

    ≤0.03

    17.00-19.00

    4.00-6.00

    -

    -

    0.05-0.25

    -

    -

    301

    ≤0.15

    ≤1.0

    ≤2.0

    ≤0.045

    ≤0.03

    16.00-18.00

    6.00-8.00

    -

    -

    ≤0.1

    -

    -

    302

    ≤0.15

    ≤1.0

    ≤2.0

    ≤0.035

    ≤0.03

    17.00-19.00

    8.00-10.00

    -

    -

    ≤0.1

    -

    -

    303

    ≤0.15

    ≤1.0

    ≤2.0

    ≤0.2

    ≥0.15

    17.00-19.00

    8.00-10.00

    ≤0.6

    -

    ≤0.1

    -

    -

    304

    ≤0.08

    ≤1.0

    ≤2.0

    ≤0.035

    ≤0.03

    17.00-19.00

    8.00-10.00

    -

    -

    -

    -

    -

    304L

    ≤0.03

    ≤1.0

    ≤2.0

    ≤0.035

    ≤0.03

    18.00-20.00

    8.00-10.00

    -

    -

    -

    -

    -

    304H

    0.04-0.1

    ≤1.0

    ≤2.0

    ≤0.035

    ≤0.03

    18.00-20.00

    8.00-10.00

    -

    -

    -

    -

    -

    304N

    ≤0.08

    ≤1.0

    ≤2.0

    ≤0.035

    ≤0.03

    18.00-20.00

    8.00-10.00

    -

    -

    0.10-0.16

    -

    -

    304J1

    ≤0.08

    ≤1.0

    ≤2.0

    ≤0.035

    ≤0.03

    18.00-20.00

    6.00-9.00

    -

    -

    -

    1.00-3.00

    -

    305

    ≤0.12

    ≤1.0

    ≤2.0

    ≤0.035

    ≤0.03

    17.00-19.00

    10.50-13.00

    -

    -

    -

    -

    -

    309S

    ≤0.08

    ≤1.0

    ≤2.0

    ≤0.035

    ≤0.03

    22.00-24.00

    12.00-15.00

    -

    -

    -

    -

    -

    310S

    ≤0.08

    ≤1.0

    ≤2.0

    ≤0.035

    ≤0.03

    24.00-26.00

    19.00-22.00

    -

    -

    -

    -

    -

    316

    ≤0.08

    ≤1.0

    ≤2.0

    ≤0.035

    ≤0.03

    16.00-18.00

    10.00-14.00

    2.00-3.00

    -

    -

    -

    -

    316L

    ≤0.03

    ≤1.0

    ≤2.0

    ≤0.035

    ≤0.03

    16.00-18.00

    12.00-15.00

    2.00-3.00

    -

    -

    -

    -

    316H

    ≤0.1

    ≤1.0

    ≤2.0

    ≤0.035

    ≤0.03

    16.00-18.00

    10.00-14.00

    2.00-3.00

    -

    -

    -

    -

    316N

    ≤0.03

    ≤1.0

    ≤2.0

    ≤0.035

    ≤0.03

    16.00-18.00

    10.00-14.00

    2.00-3.00

    -

    0.10-0.16

    -

    -

    316 Ti

    ≤0.08

    ≤1.0

    ≤2.0

    ≤0.035

    ≤0.03

    16.00-19.00

    11.00-14.00

    2.00-3.00

    ≥5C

    -

    -

    -

    317L

    ≤0.03

    ≤1.0

    ≤2.0

    ≤0.035

    ≤0.03

    18.00-20.00

    11.00-15.00

    3.00-4.00

    -

    -

    -

    -

    321

    ≤0.08

    ≤1.0

    ≤2.0

    ≤0.035

    ≤0.03

    17.00-19.00

    9.00-12.00

    -

    5C-0.7

    -

    -

    -

    347

    ≤0.08

    ≤1.0

    ≤2.0

    ≤0.035

    ≤0.03

    17.00-19.00

    9.00-12.00

    -

    -

    -

    -

    10C-1.10

    347H

    ≤0.1

    ≤1.0

    ≤2.0

    ≤0.035

    ≤0.03

    17.00-19.00

    9.00-12.00

    -

    -

    -

    -

    8C-1.10

    2205

    ≤0.03

    ≤1.0

    ≤2.0

    ≤0.035

    ≤0.03

    21.00-24.00

    4.50-6.50

    2.50-3.50

    -

    0.08-0.20

    -

    -

    2507

    ≤0.03

    ≤0.8

    ≤1.2

    ≤0.035

    ≤0.02

    24.00-26.00

    6.00-8.00

    3.00-5.00

    -

    0.24-0.32

    -

    -

    904L

    ≤0.02

    ≤1.0

    ≤2.0

    ≤0.045

    ≤0.03

    19.00-23.00

    23.00-28.00

    4.00-5.00

    -

    -

    1.00-2.00

    -

    C276

    ≤0.02

    ≤0.05

    ≤1.0

    -

    -

    14.00-16.50

    Ndị ọzọ

    -

    -

    -

    -

    -

    Ego 400

    ≤0.3

    ≤0.5

    ≤2.0

    -

    ≤0.024

    -

    ≥63

    -

    -

    -

    28-34

    -

    409L

    ≤0.03

    ≤1.0

    ≤1.0

    ≤0.035

    ≤0.03

    17.00-19.00

    -

    -

    -

    -

    -

    -

    410

    ≤0.15

    ≤1.0

    ≤1.0

    ≤0.035

    ≤0.03

    11.50-13.50

    -

    -

    -

    -

    -

    -

    410L

    ≤0.03

    ≤1.0

    ≤1.0

    ≤0.035

    ≤0.03

    11.50-13.50

    -

    -

    -

    -

    -

    -

    420J1

    0.16-0.25

    ≤1.0

    ≤1.0

    ≤0.035

    ≤0.03

    12.00-14.00

    -

    -

    -

    -

    -

    -

    420J2

    0.26-0.40

    ≤1.0

    ≤1.0

    ≤0.035

    ≤0.03

    12.00-14.00

    -

    -

    -

    -

    -

    -

    430

    ≤0.12

    ≤1.0

    ≤1.0

    ≤0.035

    ≤0.03

    16.00-18.00

    -

    -

    -

    -

    -

    -

    436L

    ≤0.025

    ≤1.0

    ≤1.0

    ≤0.035

    ≤0.03

    16.00-19.00

    -

    -

    -

    -

    -

    -

    439

    ≤0.03

    ≤1.0

    ≤1.0

    ≤0.035

    ≤0.03

    16.00-18.00

    -

    -

    -

    -

    -

    -

    440A

    0.60-0.75

    ≤1.0

    ≤1.0

    ≤0.035

    ≤0.03

    16.00-18.00

    -

    ≤0.75

    -

    -

    -

    -

    440B

    0.75-0.95

    ≤1.0

    ≤1.0

    ≤0.035

    ≤0.03

    16.00-18.00

    -

    ≤0.75

    -

    -

    -

    -

    440C

    0.95-1.2

    ≤1.0

    ≤1.0

    ≤0.035

    ≤0.03

    16.00-18.00

    -

    ≤0.75

    -

    -

    -

    -

    441

    ≤0.03

    0.2-0.8

    ≤0.7

    ≤0.03

    ≤0.015

    17.50-18.50

    -

    ≤0.5

    0.1-0.5

    ≤0.025

    -

    0.3+ 3C-0.9

    Anyịkechie ngwaahịa igwe anaghị agba nchara na akwụkwọ mgbochi nchara na mgbanaka ígwè iji gbochie mmebi.

    A na-akpado akara njirimara dị ka ọkọlọtọ ọkọlọtọ ma ọ bụ ntuziaka ndị ahịa si dị.

    Nkwakọ ngwaahịa pụrụ iche dị ka onye ahịa chọrọ.

    ngwugwu igwe anaghị agba nchara

    ngwugwu cepheus igwe anaghị agba nchara (1)

    ngwugwu cepheus igwe anaghị agba nchara (2)

     

    Mpempe mpempe akwụkwọ igwe anaghị agba nchara / igwe anaghị agba nchara

    ngwugwu cepheus igwe anaghị agba nchara (3)

    cepheus igwe anaghị agba nchara 1_副本

     

    ngwugwu eriri igwe anaghị agba nchara

    ngwugwu cepheus igwe anaghị agba nchara (5)

    Ngwungwu Mbupu

    Mbupu igwe anaghị agba nchara Cepheus (1)

    Mbupu igwe anaghị agba nchara Cepheus (2)

    Mbupu igwe anaghị agba nchara Cepheus (3)

    Ụlọ ọrụ anyị dabeere na Wuxi, na-achịkọta obodo nke ụlọ ọrụ igwe anaghị agba nchara na China.

    Anyị pụrụ iche na igwe anaghị agba nchara, mpempe akwụkwọ na efere, ọkpọkọ igwe anaghị agba nchara na akwa akwa, tubes igwe anaghị agba nchara, yana ngwaahịa aluminom na ngwaahịa ọla kọpa.

    Ndị ahịa anyị sitere na Europe, America, Middle East, Africa na Southeast Asia toro ngwaahịa anyị nke ukwuu. Anyị ga-enye ndị ahịa ngwaahịa asọmpi na ọrụ zuru oke.

    Ọkwa igwe anaghị agba nchara: 201, 202, 202cu, 204, 204cu, 303, 304, 304L, 308, 308L, 309, 309s, 310, 310s, 316, 316, 3, 6 420, 430, 430F, 440, 440c,

    Alloy ọkwa:Monel, Inconel, Hastolley, Duplex, Super Duplex, Titanium, Tantalum, High Speed ​​Steel, Dị nwayọọ Steel, Aluminium, Alloy Steel, Carbon Steel, Special Nickel Alloys

     

    N'ụdị: Ogwe gburugburu, Ogwe Square, Ogwe Hexagonal, Ogwe Flat, Angle, Channels, Profiles, Wires, Wire Rods, Sheets, Plates, Seamless Pipes, ERW Pipes, Flanges, Fittings, etc.

    wuxi cepheus igwe anaghị agba nchara (1)

     

    wuxi cepheus igwe anaghị agba nchara (5)

    wuxi cepheus igwe anaghị agba nchara (4)

    wuxi cepheus igwe anaghị agba nchara (3)

     

    wuxi cepheus igwe anaghị agba nchara (2)

     

    Q1: Gịnị bụ igwe anaghị agba nchara?

    A: Igwe anaghị agba nchara pụtara enweghị akara n'elu nchara, ma ọ bụ ụdị nchara nke ikuku ma ọ bụ mmiri na-emebighị na nke na-adịghị agbanwe agba, enweghị ntụpọ, na-eguzogide ọgwụ, nchara, mmetụta na-emebi emebi nke kemịkalụ.

    Q2: Igwe anaghị agba nchara ọ pụtara enweghị nchara?

    A: Mba, igwe anaghị agba nchara pụtara adịghị mfe ịnweta ntụpọ ma ọ bụ nchara, ọ nwere ikike pụrụ iche iji guzogide nsị, nchara na corrosion.

    Q3: Ị na-enye mpempe akwụkwọ anaghị agba nchara?

    A: Ee, anyị na-enye ụdị dị iche iche nke igwe anaghị agba nchara, na ọkpụrụkpụ ranges si 0.3-3.0mm. na n'ụdị dị iche iche.

    Q4: Ị na-anabata ọrụ ịkpụ n'ogologo?

    A: N'ezie, afọ ojuju ndị ahịa bụ ihe kacha anyị mkpa.

    Q5: Ọ bụrụ na m nwere obere usoro, ị na-anabata obere usoro?

    A: Ọ bụghị nsogbu, nchegbu gị bụ nchegbu anyị, a na-anabata obere obere.

    Q6: Kedu ka ị ga-esi kwe nkwa ịdị mma ngwaahịa gị?

    A: Nke mbụ, site na mmalite, anyị etinyelarị mmụọ n'uche ha, nke ahụ bụ àgwà bụ ndụ, ndị ọrụ ọkachamara anyị na ndị ọrụ ga-agbaso nzọụkwụ ọ bụla ruo mgbe ngwongwo ndị ahụ na-akwakọba nke ọma ma bupu ya.

    Q7: Ị ga-akwakọba ngwaahịa?

    A: Ndị ọkachamara na-eme nkwakọ ngwaahịa ọkachamara, anyị nwere ụdị nkwakọ ngwaahịa dị iche iche maka ndị ahịa, otu akụ na ụba ma ọ bụ ka mma.

    Q8: Kedu ihe ị chọrọ ịma site n'aka ndị ahịa tupu nkwupụta ziri ezi?

    A: Maka nkọwa ziri ezi, anyị kwesịrị ịma ọkwa, ọkpụrụkpụ, nha, imecha elu, agba na ọnụ ọgụgụ nke ihe ị chọrọ, yana ebe ị na-aga. A ga-achọkwu ozi ngwaahịa ahaziri ahazi, dị ka eserese, nhazi na atụmatụ. Mgbe ahụ, anyị ga-enye nhota asọmpi na ozi dị n'elu.

    Q9: Kedu ụdị ụgwọ ịkwụ ụgwọ ị na-anabata?

    A: Anyị na-anabata T/T, West union, L/C.

    Q10: Ọ bụrụ na nke a bụ obere iwu, ị ga-ebugara ndị ọrụ anyị ngwongwo ndị ahụ?

    A: Ee, a mụrụ anyị iji dozie nsogbu nke ndị ahịa anyị, anyị ga-enweta ngwongwo ahụ n'enweghị nsogbu na ụlọ nkwakọba ihe nke onye ọrụ gị ma ziga gị foto.

    Q11: Ị na-eme mpempe akwụkwọ dị larịị? Achọrọ m ịmebe echiche maka ọrụ ọhụrụ m.

    A: Ee e, anyị tumadi na-emepụta igwe anaghị agba nchara ewepụghị mpempe akwụkwọ n'elu ọgwụgwọ, n'otu oge ahụ, anyị rụpụta ahaziri metal okokụre ngwaahịa dị ka kwa ahịa ịbịaru na atụmatụ, anyị technician ga-elekọta ndị ọzọ.

    Q12: Ugboro ole ka i bupuburu?
    A: Ebupụ ya karịa mba 50 tumadi site na America, Russia, UK, Kuwait, Egypt, Iran,
    Turkey, Jordan, wdg.
    Q13: Kedu ka m ga-esi nweta ụfọdụ nlele?
    A: Obere ihe nlele na-echekwa ma nwee ike ịnye ihe nlele n'efu. Catalgue dị, ọtụtụ
    ụkpụrụ anyị nwere njikere samples na ngwaahịa. Ihe nlele ahaziri ahazi ga-ewe ihe dịka ụbọchị 5-7.
    Q14: Gịnị bụ nnyefe?
    A: Oge nnyefe nke ihe nlele bụ ụbọchị 5-7. Ngwunye akpa bụ ihe dịka ụbọchị 15-20.

    Q15: Gịnị bụ ngwa gbasara ngwaahịa gị?
    A: 1. elevator ọnụ ụzọ / ụlọ ma ọ bụ na escalator's n'akụkụ mgbidi.
    2.Mgbidi mkpuchi n'ime ma ọ bụ n'èzí nzukọ ụlọ / ụlọ oriri na ọṅụṅụ.
    3.Facade mgbe cladding n'elu ihe, dị ka ogidi na n'ọnụ ụlọ.
    4.Ciling na nnukwu ụlọ ahịa. 5.Decorative adọta na ụfọdụ ntụrụndụ ebe.
    Q16: Ogologo oge ole ka ị nwere ike ikwe nkwa maka ngwaahịa a / mechaa?
    A: Agba nkwa maka ihe karịrị afọ 10. Asambodo ogo ihe izizi nwere ike
    ka enyere.

    Ngwaahịa ndị emetụtara