254SMO UNS S31254 1.4547 alagbara seamless paipu
1. Apejuwe Rọrun:
254SMO jẹ irin alagbara irin alagbara austenitic.
GB ite: 00Cr20Ni18Mo6CuN
International ite: 254SMO
American boṣewa ite: UNS S31254
EU ite: W. - Nr 1.4547
Awọn ajohunše Amẹrika: ASTM A240/ASME SA-240, ASTM A276, ASTM A182/ASME SA-182, ASTM A312/ASME A312
Iwọn iwọn: 10*2mm si 219*15mm tabi ṣe adani gẹgẹbi ibeere alabara
Iwọn Gigun: 300mm si 20000mm
2. Iṣọkan Kemikali:
| Ipele | Kemikali Ikopọ (O pọju%) | ||||||||||
| C | Mn | Si | Mn | P | S | Cr | Ni | Mo | N | Ce | |
| 254SMO | ≤0.02 | ≤1.0 | ≤0.8 | ≤1.0 | ≤0.03 | ≤0.01 | 19.5-20.5 | 17.5-18.5 | 6.0-6.5 | 0.18-0.2 | 0.03-0.08 |
3. Awọn ohun-ini ẹrọ:
| Ipele | Mechanical Ini | ||
| Agbara ikore (N/mm2)/(Mpa) | Agbara Fifẹ (N/mm2)/(Mpa) | Ilọsiwaju (%) | |
| 254SMO | ≥300 | ≥650 | ≥35 |
4. 254SMO Apejuwe:
a. 254SMO jẹ irin alagbara, irin austenitic. Nitori akoonu molybdenum giga rẹ, o ni agbara giga gaan lati iranran ipata
ati ipata crevice.
b. Iru irin alagbara irin yii jẹ idagbasoke fun lilo ninu awọn agbegbe ti o ni awọn ailagbara bi omi okun. 254SMO tun dara
resistance si ipata aṣọ.
c. Paapa ni acid ti o ni halide, irin naa ga ju irin alagbara irin lọ. Awọn akoonu C rẹ jẹ <0.03%, nitorinaa o pe
irin alagbara austenitic funfun (<0.01% tun npe ni super austenitic alagbara, irin). Super alagbara, irin ni a irú ti pataki alagbara, irin.
d. Ni akọkọ, o yatọ si irin alagbara irin lasan ni akopọ kemikali. O ntokasi si iru kan ti ga alloy alagbara, irin
ti o ni nickel giga ninu, chromium giga ati molybdenum giga. Awọn olokiki diẹ sii jẹ 254SMo ti o ni 6% Mo. Iru irin yii
ni o ni gan ti o dara agbegbe ipata resistance.
e. O ni o ni ti o dara pitting ipata resistance (PI ≥ 40) ati wahala ipata resistance labẹ awọn ipo ti omi okun, aeration, crevice.
ati kekere-iyara scouring.
f. O jẹ ohun elo aropo fun Ni ipilẹ alloy ati alloy titanium. Ni ẹẹkeji, ni awọn ofin ti iwọn otutu giga tabi resistance ipata,
o ni aabo otutu giga ti o dara julọ tabi idiwọ ipata, eyiti ko ṣe rọpo fun irin alagbara 304. Ni afikun,
lati isọdi ti irin alagbara, irin ti irin alagbara, irin alagbara irin pataki jẹ ẹya austenitic metallographic iduroṣinṣin.
g. Bii irin alagbara irin pataki yii jẹ ohun elo alloy giga, ilana iṣelọpọ rẹ jẹ eka pupọ. Ni gbogbogbo, eniyan le nikan gbekele
awọn ilana ibile lati ṣe iṣelọpọ irin alagbara pataki yii, gẹgẹbi sisọ, ayederu, yiyi, ati bẹbẹ lọ.
5. Ohun elo:
1) Awọn okun: awọn ẹya omi okun ti agbegbe omi okun, isọdọtun omi okun, mariculture, paṣipaarọ ooru omi okun, ati bẹbẹ lọ.
2) Idaabobo ayika: ẹrọ desulfurization flue gaasi fun iran agbara gbona, itọju omi idọti, ati bẹbẹ lọ.
3) Agbara: iran agbara atomiki, lilo okeerẹ ti edu, iran agbara ṣiṣan, ati bẹbẹ lọ.
4) Petrochemical ile ise: epo refining, kemikali ẹrọ, ati be be lo.
5) Aaye ounje: sise iyo, soy obe Pipọnti, ati be be lo.
6) Ayika kiloraidi ifọkansi giga: ile-iṣẹ iwe, ọpọlọpọ awọn ohun elo bleaching.
6. Itọju siwaju sii:
1) Polish
2) Siṣamisi:
3) Iṣakojọpọ:
7. Gbigbe apoti:
