W6Mo5Cr4V2(M2) nga kaho porotaka tira wera

W6Mo5Cr4V2(M2) nga kaho porotaka tira wera

Ko te M2 he molybdenum teitei-tere maitai, he pai nga painga o te carbide iti kaore i te rite me te uaua teitei. He ngawari ki te wera, na reira me tino whakahaere te pāmahana tinei, me nga whakaritenga whakamarumaru mo te maimoatanga wera.

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Automotive Steel

Whakapā mai

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Whakataki hua Raraunga hangarau

Whakataki hua

M2 he molybdenum raupapa teitei-tere maitai, he nga painga o te iti carbide inhomogeneity me te pakeke tiketike. He ngawari ki te whakamahana, me kaha te whakahaere i te pāmahana whakawera whakawera, te whakamarumaru ake mo te maimoatanga wera. No te mea o tona pakeke me te mau kakahu, whakamahia i roto i te hanga o te tapahi uaua ake ki te tapahi rauemi taputapu. M2 te maitai tere-tere me te whakatakotoranga carbide he nui ake, no reira ko te whakamarumaru tino kaha mo te maimoatanga wera e tika ana mo te wiri i pokepokea ai me nga uta wiri.

Raraunga hangarau

Koeke rite

Paerewa Mahi	Koeke ZEICIN	GB	AISI	JIS	DIN
GB/T9943-2008	M2	W6Mo5Cr4V2	M2	SKH51	1.3343

Te Hanga matū o te M2 Utauta Rawa Rawa

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

SAE M2 Utauta Rawa Rawa Rawa Hangarau

Te Maamaa, Rockwell C (i whakamahana i te 621°C, i tineia i te 1204°C): 62 HRC.

Te pakeke, Rockwell C (kua tineia ki te 1204°C) ): 65 HRC

He mea hanga mai i nga mea whakarewa M2 HSS Steel

I te tuatahi, i mua i te whakamahana ki te 650-750 ℃, ka wera ki te whakamahana. Waiwai ki te 1204°C, kia tino wera. Na ka timata te hanga, te pāmahana tiwai kia iti iho i te 950 ℃. Whai muri i te hanga, ata whakamatao.

Te wera o te SAE M2 Steel

M2 HSS Steel Annealing

I te tuatahi, Whakawerahia ki te 871 ℃, ka ata whakamatao ki te 538 ℃(1000℉) i roto i te oumu maimoatanga wera. Katahi ka whakamatao ki te hau. I muri i te whakapakeke i te pakeke HBS: 255 Max.

M2 taputapu Steel Hardening

M2 maitai he tino kaha te pakeke, me whakapakeke ma te whakamatao i te hau. Ko te whakamahi i te kaukau tote, i te oumu kowaowao whakahaeretia ranei he pai ki te whakaiti i te whakakorenga kawa, a ki te kore e waatea, ka whakaarohia kia whakamarokehia te kete ki roto i te tiihi kao.