301 igwe anaghị agba nchara

Nkọwa dị mkpirikpi:

Ọkwa 301
Ụdị TISCO, BAOSTEEL, POSCO, JISCO, LISCO
Asambodo SGS, BV, IQI, TUV, ISO, wdg
Ọkpụrụkpụ 0.3-10mm
Obosara 1000,1219,1250,1500mm, ma ọ bụ dị ka gị chọrọ
Ogologo 2000,2438,2500,3000,6000mm, ma ọ bụ dị ka gị chọrọ


  • 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

    301 igwe anaghị agba nchara

    Akụrụngwa 301 igwe anaghị agba nchara
    Isi okwu oyi akwa akwa igwe anaghị agba nchara / igwe anaghị agba nchara efere
    Ọkwa 301
    Ụdị TISCO, BAOSTEEL, POSCO, JISCO, LISCO
    Asambodo SGS, BV, IQI, TUV, ISO, wdg
    Ọkpụrụkpụ 0.3-10mm
    Obosara 1000,1219,1250,1500mm, ma ọ bụ dị ka gị chọrọ
    Ogologo 2000,2438,2500,3000,6000mm, ma ọ bụ dị ka gị chọrọ
    Elu 2B, BA, 8K Mirror, ntutu isi, satin, embossed, brush, No.4, HL, matt, pvc film, ihe nkiri laser.
    Ọkọlọtọ ASTM,AISI,SUS,JIS,EN,DIN,GB, ASME, wdg
    Oge Mbuga ozi 7-10 ụbọchị mgbe akwado iwu
    MOQ 2 Tọn
    Uru Ngosipụta ịma mma nke ịdịmma gị, na-eguzogide ya yana, nguzogide corrosion siri ike na mmetụta ịchọ mma, na-adịgide adịgide ma mara mma na ụtọ dị mma.

     

    Elu mechaa 301 igwe anaghị agba nchara

    EluMechaa Nkọwa na ngwa
    Mba.1 A na-emecha elu ahụ site na ọgwụgwọ okpomọkụ na ịhịa aka n'ahụ ma ọ bụ usoro kwekọrọ na nke a gachara na-ekpo ọkụ
    2D A na-emecha ka oyi na-atụgharị, site na ọgwụgwọ okpomọkụ, pickling ma ọ bụ usoro ọgwụgwọ ndị ọzọ
    2B Ngwucha mgbe oyi na-atụgharị, site na ọgwụgwọ okpomọkụ, pickling ma ọ bụ ọgwụgwọ ndị ọzọ yiri ya na nke ikpeazụ site na ntụgharị oyi iji nye ọkụ kwesịrị ekwesị.
    BA Oyi a na-akpọgharị, na-egbuke egbuke ma na-agafe akpụkpọ ahụ, ngwaahịa ahụ nwere nchapụta mara mma yana ezigbo mgbanwe dị ka enyo.
    NO.3 Ejiri eriri abrasive nke grit # 100 ~ # 200 na-ehicha ya, nwee nchapụta ka mma yana stria na-enweghị isi.
    NO.4 Ejiri eriri abrasive nke grit # 150 ~ # 180 na-ehicha ya, nwere nchapụta ka mma yana stria na-enweghị isi.
    HL Ejiri eriri abrasive nke grit # 150 ~ # 320 na-ehicha ya na njedebe NO.4 ma nwee streaks na-aga n'ihu.
    8K Ngwaahịa a nwere ọmarịcha nchapụta na prefect reflexivity nwere ike ịbụ enyo

     

     

    Igwe anaghị agba nchara, ASTM A240 301 igwe anaghị agba nchara, UNS S30100 igwe anaghị agba nchara, Cold Rolled 301 igwe anaghị agba nchara, Hot Rolled 301 igwe anaghị agba nchara, 301 igwe anaghị agba nchara, Ndị na-emepụta igwe anaghị agba nchara, igwe anaghị agba nchara 30li.

    301 Igwe anaghị agba nchara na-ebupụ, 301 SS Perforated Coil Stockist, igwe anaghị agba nchara 301 Coil, igwe anaghị agba nchara 301 Coil, 301 SS Coil Distributor, Stainless Coil Exporter, Werkstoff No. 1.4310 Igwe anaghị agba nchara, igwe anaghị agba nchara 301 Coil Coil Manuture


  • 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, 347H, 348H, S31060, N08811, N08020, N08367, N08810, N08904,N08926, S31277, S20161, S30600, S30601, S31254, S31266,S32050, S32654, S32053, S31727, S33251, S33251, S8 03, S32001, S32550, S31260, S32003, S32101, S32205, S32304, S32506, 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, SUS301S, SUS301S 315J2, SUS316, SUS316L, SUS316N, SUS316LN, SUS316Ti, SUS316J1, SUS316J1L, SUS317, SUS317L, SUS317LN, SUS317J1, SUS317J2, SUS836L, SUS890L, SUS321, SUS347, SUSXM7, SUSXM15J1, SUS329J1, SUS329J3L, SUS40, SUS329J3L, SUS40 SUS430, SUS430LX, SUS430J1L, SUS434, SUS436L, 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 si Europe, America, Middle East, Africa na Southeast Asia toro ngwaahịa anyị nke ukwuu. Anyị ga-enye ngwaahịa asọmpi na ọrụ zuru oke nye ndị ahịa.

    Ọkwa igwe anaghị agba nchara: 201, 202, 202cu, 204, 204cu, 303, 304, 304L, 308, 308L, 309, 309s, 310, 310s, 316, 316, 3, 3, 40 0, 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: Gịnị ka ị chọrọ ịma site ahịa tupu ezi nhota?

    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