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W6Mo5Cr4V2 (M2) gbona ti yiyi irin yika ifi
W6Mo5Cr4V2 (M2) gbona ti yiyi irin yika ifi
W6Mo5Cr4V2 (M2) gbona ti yiyi irin yika ifi
W6Mo5Cr4V2 (M2) gbona ti yiyi irin yika ifi

W6Mo5Cr4V2 (M2) gbona ti yiyi irin yika ifi

M2 jẹ irin iyara giga molybdenum, eyiti o ni awọn anfani ti kekere carbide ti kii ṣe isokan ati lile giga. O rọrun lati gbóná pupọ, nitorinaa iwọn otutu quenching yẹ ki o wa ni iṣakoso muna, ati awọn ibeere aabo fun itọju ooru yẹ ki o muna.
ifihan ọja
M2 jẹ molybdenum jara irin iyara to gaju, ni awọn anfani ti inhomogeneity carbide kekere ati toughness giga. Rọrun lati gbigbona, o yẹ ki o ṣakoso iwọn otutu alapapo ti o muna, aabo ti o muna diẹ sii fun itọju ooru. Nitori lile rẹ ati wiwu, ti a lo ninu iṣelọpọ gige diẹ sii nira si gige awọn ohun elo ọpa. Irin iyara giga M2 pẹlu iṣalaye carbide tobi, nitorinaa aabo ti o muna diẹ sii fun itọju ooru dara fun gbigbọn mimu ati awọn ẹru mọnamọna.
Imọ data
Iru ite
Standard ipaniyan Iye owo ti ZEICIN GB AISI JIS DIN
GB / T9943-2008 M2 W6Mo5Cr4V2 M2 SKH51 1.3343

Kemikali Tiwqn ti M2 Irin Ohun elo

ASTM A681 C Si Mn P S Kr Mo V W
M2 / T11302 0.78~0.88 0.20~0.45 0.15~0.40 0.030 ti o pọju 0.030 ti o pọju 3.75~4.50 4.50~5.50 1.75~2.20 5.50~6.75
DIN 17350 C Si Mn P S Kr Mo V W
1.3343 / S6-5-2 0.86~0.94 ≤0.45 ≤0.40 0.030 ti o pọju 0.030 ti o pọju 3.80~4.50 4.70~5.20 1.70~2.00 6.00~6.70
GB /T 9943 C Si Mn P S Kr Mo V W
W6Mo5Cr4V2 0.80~0.90 0.20~0.45 0.15~0.40 0.030 ti o pọju 0.030 ti o pọju 3.80~4.40 4.50~5.50 1.75~2.20 5.50~6.75
JIS G4403 C Si Mn P S Kr Mo V W
SKH51/SKH9 0.80~0.88 ≤0.45 ≤0.40 0.030 ti o pọju 0.030 ti o pọju 3.80~4.50 4.70~5.20 5.90~6.70 1.70~2.10

SAE M2 Irin Ohun elo Mechanical Properties

Lile, Rockwell C (ti o ni ibinu ni 621°C, ti o parẹ ni 1204°C): 62 HRC.

Lile, Rockwell C (pa ni 1204°C)): 65 HRC

Eke ti M2 HSS Irin ohun elo irin

Ni akọkọ, Pre-alapapo si 650-750 ℃, Lẹhinna ooru si iwọn otutu eke. Rẹ ni 1204 ° C, rii daju ooru ni kikun. Lẹhinna bẹrẹ eke, iwọn otutu eke ko kere ju 950 ℃. Lẹhin sisọ, tutu laiyara.

Ooru Itoju ti SAE M2 Irin

  • M2 HSS Irin Annealing

Ni akọkọ, Laiyara ooru si 871 ℃, lẹhinna laiyara Cool si 538 ℃ (1000℉) ninu ileru itọju ooru. Lẹhinna dara ni afẹfẹ. Lẹhin annealing líle HBS: 255 Max.

  • M2 ọpa Irin Hardening

Irin M2 ti o ni lile lile pupọ ati pe o yẹ ki o ni lile nipasẹ itutu agbaiye ni afẹfẹ ti o duro. Lilo iwẹ iyọ tabi ileru oju-aye ti iṣakoso jẹ iwunilori lati dinku decarburization, ati pe ti ko ba si, idii lile ni coke pitch ti o lo ni a daba.

  • Quenching ti HSS M2 Irin ohun elo

Pipa otutu / ℃ | ileru iwẹ iyọ: 1204

Pipa otutu / ℃ | ileru bugbamu ti iṣakoso: 1216

Akoko itoju ooru / min: 5 ~ 15

Quenching alabọde: Epo itutu

Lile: 65 HRc Min

  • Tempering Of HSS M2 Irin Irin

Ooru otutu / ℃: 540-564

Lẹhin líle HRC tabi ti o ga julọ: 65 Min

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