304/304L Bakin Karfe Bakin Karfe
Gabatarwar Samfur
Alloys 304 (S30400) da 304L (S30403) bakin karfe sune bambancin kashi 18 cikin 100 na chromium - kashi 8 cikin dari na nickel austenitic gami, mafi yawan saba kuma galibi ana amfani da gami a cikin dangin bakin karfe. 304/L bakin karfe yana da kyawawan kaddarorin ƙirƙira. Malleability ɗin sa yana ba da damar ƙirƙirar shi cikin sauƙi don walƙiya, lanƙwasa da murɗawa. Kyakkyawan machinability da ƙarancin abun ciki na sulfur yana haɓaka ingantaccen weldability a cikin aikace-aikacen da ke buƙatar sa.
Babban ƙarfi, kyakkyawan juriya na lalata da ƙarancin abun ciki na carbon suna sa Alloy 304 da 304L Bakin Karfe masu amfani don aikace-aikacen da ake buƙatar walda. Abubuwan da ake amfani da su sun haɗa da gyare-gyaren gine-gine da datsa, welded abubuwan sinadaran, yadi, takarda, magunguna da kayan sarrafa masana'antar sinadarai.
Sauran abũbuwan amfãni su ne juriya ga hadawan abu da iskar shaka, kyakkyawan tsari, sauƙi na ƙirƙira da tsaftacewa, kyakkyawan ƙarfi ga rabo mai nauyi da kuma tauri mai kyau a yanayin zafi na cryogenic Don yanayin mummunan yanayi, ƙananan abun ciki na Nau'in 304L ya fi dacewa saboda girman rigakafi ga lalatawar intergranular.
Nau'in 304L bakin karfe shine karin ƙarancin carbon sigar karfe 304gami. Ƙananan abun ciki na carbon a cikin 304L yana rage girman hazo mai lalacewa ko cutarwa sakamakon walda. 304L, don haka, ana iya amfani da shi "kamar yadda aka haɗa" a cikin yanayin lalata mai tsanani, kuma yana kawar da buƙatar cirewa.
Wannan matakin yana da ƙananan kaddarorin injina fiye da daidaitattun maki 304, amma har yanzu ana amfani da shi sosai saboda haɓakar sa. Kamar Nau'in Bakin Karfe na 304, ana amfani da shi wajen yin giya da giya, amma kuma don dalilai fiye da masana'antar abinci kamar a kwantena sinadarai, hakar ma'adinai, da gini. Yana da kyau a yi amfani da shi a sassa na ƙarfe kamar goro da kusoshi waɗanda aka fallasa ga ruwan gishiri.
Ƙayyadaddun samfur
ASTM A269, ASTM A213 / ASME SA213 (Seamless)
Kwatanta Haɗin Chemacal
Lambar | Daidaitawa | HADIN KASHIN KIMIYYA | |||||||||
C | Si | Mn | P | S | Ni | Cr | Mo | WASU | |||
304 | JIS | Farashin 304 | 0.080max | 1.00max | 2.00max | 0.040max | 0.030max | 8.00-11.00 | 18.00-20.00 | - | - |
AISI | 304 | 0.080max | 1.00max | 2.00max | 0.045max | 0.030max | 8.00-10.50 | 18,00-20.00 | - | - | |
ASTM | Farashin TP304 | 0.080max | 0.75max | 2.00max | 0.040max | 0.030max | 8.00-11.00 | 18.00-20.00 | - | - | |
DIN | X5CrNi189 Nr, 1,4301 | 0.070max | 1.00max | 2.00max | 0.045max | 0.030max | 8,50-10.00 | 17.00-20.00 | * | - | |
304l | JIS | SUS 304L | 0.030max | 1.00max | 2.00max | 0.040max | 0.030max | 9,00-13.00 | 18.00-20.00 | - | - |
AISI | 304l | 0.030max | 1.00max | 2.00max | 0.045max | 0.030max | 8.00-12.00 | 18.00-20.00 | - | - | |
ASTM | Saukewa: TP304L | 0.035max | 0.75max | 2.00max | 0.040max | 0.030max | 8,00-13.00 | 18.00-20.00 | - | - | |
DIN | X2CrNi189 Nr.1,4306 | 0.030max | 1.00max | 2.00max | 0.045max | 0.030max | 10.00-12.50 | 17.00-20.00 | * | - |
Kayayyakin Injini | |
Ƙarfin Haɓaka | 30 Ksi min |
Ƙarfin Ƙarfin Ƙarfi | 75 Ksi min |
Tsawaita (minti 2) | 35% |
Hardness (Rockwell B Scale) | Babban darajar HRB |
Haƙuri Girma
OD | OD Toleracne | Hakuri WT |
Inci | mm | % |
1/8" | +0.08/-0 | +/-10 |
1/4" | +/- 0.10 | +/-10 |
Har zuwa 1/2" | +/- 0.13 | +/-15 |
1/2" zuwa 1-1/2" , excl | +/- 0.13 | +/-10 |
1-1/2" zuwa 3-1/2" , ban da | +/-0.25 | +/-10 |
Lura: Ana iya yin shawarwari tare da haƙuri bisa ga takamaiman bukatun abokin ciniki |
Matsakaicin izinin izini (naúrar: BAR) | ||||||||
Kaurin bango (mm) | ||||||||
0.89 | 1.24 | 1.65 | 2.11 | 2.77 | 3.96 | 4.78 | ||
OD (mm) | 6.35 | 387 | 562 | 770 | 995 | |||
9.53 | 249 | 356 | 491 | 646 | 868 | |||
12.7 | 183 | 261 | 356 | 468 | 636 | |||
19.05 | 170 | 229 | 299 | 403 | ||||
25.4 | 126 | 169 | 219 | 294 | 436 | 540 | ||
31.8 | 134 | 173 | 231 | 340 | 418 | |||
38.1 | 111 | 143 | 190 | 279 | 342 | |||
50.8 | 83 | 106 | 141 | 205 | 251 |
Certificate na Daraja
ISO9001/2015 Standard
ISO 45001/2018 Standard
Takaddun shaida na PED
Takaddun gwajin dacewa na TUV Hydrogen
A'a. | Girman (mm) | |
OD | Thk | |
BA Tube Inner surface roughness 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 Inner surface 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 |
10 A | 17.30 | 1.20 |
15 A | 21.70 | 1.65 |
20 A | 27.20 | 1.65 |
25 A | 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, Babu buƙatu game da rashin ƙarfi na ciki | ||
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 |