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SS904L AISI 904L Ke kila kila (UNS N08904) Kiʻi Hōʻikeʻike
  • SS904L AISI 904L Ke kila kila (UNS N08904) 1

SS904L AISI 904L Ke kila kila (UNS N08904)

ʻO ka wehewehe pōkole:

ʻO UNS NO8904, i ʻike nui ʻia ʻo 904L, he haʻahaʻa carbon high alloy austenitic stainless steel i hoʻohana nui ʻia i nā noi kahi i lawa ʻole ai nā waiwai corrosion o AISI 316L a me AISI 317L. Hāʻawi ʻo 904L i ke kūpaʻa chloride koʻikoʻi maikaʻi i ka ʻāʻī ʻana, ka pale ʻana i ka lua, a me ke kūpaʻa ʻino maʻamau i ʻoi aku ma mua o 316L a me 317L molybdenum i hoʻonui ʻia i nā kila stainless.


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ʻO AISI 904L ke kila kila (UNS N08904) he kila kila austenitic kiʻekiʻe. Hoʻohālikelike ʻia me 316L, he haʻahaʻa ka maʻiʻo kalapona (C) SS904L, ʻoi aku ka nui o ka maʻiʻo chromium (Cr), a ʻoi aku ka pālua o ka maʻiʻo nickel (Ni) a me ka molybdenum (Mo) o316L, ʻoi aku ka kiʻekiʻe kiʻekiʻe kiʻekiʻe kiʻekiʻe kiʻekiʻe kiʻekiʻe kiʻekiʻe kiʻekiʻe wela oxidation kū'ē, pitting kū'ē, a me ke kū'ē i ka ho'ēmi 'akika (e laʻa, sulfuric acid). Hiki i ka Nitrogen (N) ke hoʻemi i ka nui o ka ua o ka chromium carbide, a laila e hōʻemi ana i ka naʻau o ka sensitization, e hoʻomaikaʻi hoʻi i ke kū'ē i ka pitting a me ka corrosion crevice i hoʻokumu ʻia e nā chlorides. ʻOi aku ka maikaʻi o kāna hoʻohui ʻana i ke keleawe (Cu) i mea pono no nā ʻāpana sulfuric acid.

ʻOi aku ka maikaʻi o ka Alloy 904L ma mua o nā mea kila kila austenitic ʻē aʻe ma muli o ka hoʻohui kiʻekiʻe o ka nickel a me ka molybdenum. ʻAʻole magnetik ka papa ma nā kūlana āpau a he maikaʻi loa ka formability a me ka weldability. Hāʻawi ke ʻano austenitic i kēia ʻano paʻakikī maikaʻi loa, a hiki i ke anuanu cryogenic. ʻAʻohe pilikia o ka corrosion intercrystalline ma ka hoʻoluʻu ʻana a i ʻole ke kuʻi ʻana ma muli o ka haʻahaʻa o ke kalapona. Aia ka wela o ka lawelawe ma 450°C. Hoʻohana pono kēia māka i ka hoʻokele a me ka hoʻohana ʻana i nā paipu mea kani kahi i kūpono ʻole ai ka 316 a me 317L.

Ua hoʻokumu mua ʻia ʻo Alloy 904L e kū i nā kaiapuni i loaʻa i ka waikawa sulfuric dilute. Hāʻawi ia i ke kūpaʻa maikaʻi i nā ʻakika inorganic ʻē aʻe e like me ka waika phosphoric wela a me ka hapa nui o nā waikawa organik.

Hoʻopili maʻalahi ʻia ʻo Alloy 904L e nā hana hana hale kūʻai maʻamau.

Hoʻohana ʻia ʻo 904L stainless steel (SS904L) i ka ʻaila, kemika, nā mea kanu, nā hale kiaʻi hoʻomohala kai, nā pahu, nā paipu a me nā paipu a me nā mea hoʻololi wela. Hoʻohana pū ʻo Rolex a me nā mea hana wati ʻē aʻe e hana i nā wati

Koi Kemika

Huina 904L (UNS NO8904)

Huina %

C
Kalapona		 Mn
Manganese		 P
Phosphorous		 S
Sulfur		 Si
Silika		 Ni
Nikela		 Cr
Chromium		 Mo
Molybdenum		 N
Nitrogen		 Cu
keleawe
0.020 ka nui 2.00 max 0.040 ka nui 0.030 ka nui 1.00 max 23.0-28.0 19.0-23.0 4.0-5.0 0.10 ka nui 1.00-2.00
Na Waiwai Mechanical
Ka ikaika hua 31 Ksi min
Ikaika U'i 71 Ksi min
Elongation (2" min) 35%
'Oolea(Rockwell B Scale) 90 HRB ka nui
ʻO ke kaomi kiʻekiʻe i ʻae ʻia (unit: BAR)
Mānoanoa Pā (mm)
    0.89 1.24 1.65 2.11 2.77 3.96 4.78
OD(mm) 6.35 393 572 783 1012      
9.53 253 362 499 657 883    
12.7 186 265 362 476 646    
19.05   172 233 304 410    
25.4   128 172 223 299 443 549
31.8     136 176 235 345 425
38.1     113 146 194 283 348
50.8     84 108 143 208 255

Palapala Hoohanohano

zhengshu2

ISO9001/2015 Kūlana

zhengshu3

ISO 45001/2018 Kūlana

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Palapala PED

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TUV Hydrogen compatibility test certificate

  • Mua:
  • Aʻe:
    • ʻAʻole. Nui (mm)
    OD Thk
    ʻO ka ʻili o ka ʻili o loko ʻo BA Tube Ra0.35
    1/4″ 6.35 0.89
    6.35 1.00
    3/8″ 9.53 0.89
    9.53 1.00
    1/2” 12.70 0.89
    12.70 1.00
    12.70 1.24
    3/4” 19.05 1.65
    1 25.40 1.65
    BA Tube Iloko ili roughness Ra0.6
    1/8″ 3.175 0.71
    1/4″ 6.35 0.89
    3/8″ 9.53 0.89
    9.53 1.00
    9.53 1.24
    9.53 1.65
    9.53 2.11
    9.53 3.18
    1/2″ 12.70 0.89
    12.70 1.00
    12.70 1.24
    12.70 1.65
    12.70 2.11
    5/8″ 15.88 1.24
    15.88 1.65
    3/4″ 19.05 1.24
    19.05 1.65
    19.05 2.11
    1″ 25.40 1.24
    25.40 1.65
    25.40 2.11
    1-1/4″ 31.75 1.65
    1-1/2″ 38.10 1.65
    2″ 50.80 1.65
    10A 17.30 1.20
    15A 21.70 1.65
    20A 27.20 1.65
    25A 34.00 1.65
    32A 42.70 1.65
    40A 48.60 1.65
    50A 60.50 1.65
      8.00 1.00
      8.00 1.50
      10.00 1.00
      10.00 1.50
      10.00 2.00
      12.00 1.00
      12.00 1.50
      12.00 2.00
      14.00 1.00
      14.00 1.50
      14.00 2.00
      15.00 1.00
      15.00 1.50
      15.00 2.00
      16.00 1.00
      16.00 1.50
      16.00 2.00
      18.00 1.00
      18.00 1.50
      18.00 2.00
      19.00 1.50
      19.00 2.00
      20.00 1.50
      20.00 2.00
      22.00 1.50
      22.00 2.00
      25.00 2.00
      28.00 1.50
    BA Tube, ʻAʻohe noi e pili ana i ka ʻili o loko
    1/4″ 6.35 0.89
    6.35 1.24
    6.35 1.65
    3/8″ 9.53 0.89
    9.53 1.24
    9.53 1.65
    9.53 2.11
    1/2″ 12.70 0.89
    12.70 1.24
    12.70 1.65
    12.70 2.11
      6.00 1.00
      8.00 1.00
      10.00 1.00
      12.00 1.00
      12.00 1.50
    E kākau i kāu leka ma aneʻi a hoʻouna mai iā mākou

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