Category: Shafka caloosha

 Xarunta Waxsoosaarka> Shafka caloosha> Duubista Dib-u-celinta Birta Dahaarka leh ee Chrome-ka ah

Duubista Dib-u-celinta Birta Dahaarka leh ee Chrome-ka ah

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Kala xiriir Hada

Sifooyinka Badeecada

Brand: qijin

Kartida Bixinta & Macluumaad Dheeraad ah

Gaadiidka: Ocean,Land,Air,Express

Nooca Bixinta: L/C,T/T

Madadaalo: FOB,CFR,CIF,EXW

Tafaasiisha Sheyga

Duubista birta dib-u-celinta oo leh walxo 9Cr3Mo

Duubabka kaydka ah ee been abuurka ah ayaa loo adeegsadaa warshadaha duubista si looga sameeyo saxan bir ah, saxan aluminium ah, saxan naxaas ah iwm. Waxay caadi ahaan ka samaysan yihiin bir been abuur ah, taas oo bixisa adayg sare iyo daahirnimo, waxaana si weyn loogu isticmaalaa duubista qabowga, duubista kulul, iyo noocyada kale ee hawlaha duubista.

Codsiga duubista kaydka ee been abuurka ah:

1. Mashiinka duubista birta

2. Aluminium saxan duuban

3. saxan naxaas ah oo duuban

Tilmaamaha liiska kaydinta been abuurka ah:

1. Dooro walxo been abuur ah oo xoog sare leh

2. Beenta alaabta ceeriin dooro ESR ingot

3. Waqti dheer oo la suuxiyo ka dib been-abuurka si looga saaro walaaca gudaha

4. Daawaynta kulaylka deminta saliidda si loo yareeyo khatarta dildilaaca .

5. Deminta soo noqnoqda laba jeer si loo gaaro qiime adag oo adag iyo lakab qoto dheer

6. Kala duwanaanshaha adag: HRC55-65

Waxaan samayn karnaa dhammaan noocyada birta been abuurka ah ee duuban iyadoo la raacayo shuruudaha macaamiisha , darajadiisu waa sida soo socota:

1. Liiska isku-dhafka kiimikaad ee duubista shaqada

Steel grade	Chemical composition/%
Steel grade	C	Si	Mn	Cr	Mo	V	Ni	Cu	S	P
9Cr2	0.80-0.95	≤0.40	≤0.40	1.30-1.70	—	—	—	—	≤0.030
8Cr2MoV	0.80-0.90	0.15-0.40	0.30-0.50	1.80-2.40	0.20-0.40	0.05-0.15	≤0.25		≤0.025
9Cr2Mo	0.85-0.95	0.25-0.45	0.20-0.35	1.70-2.10	0.20-0.40	—
9Cr2MaV				1.70-2.10	0.20-0.30	0.10-0.20
9Cr3Mo				2.50-3.50	0.20-0.40	—
8Cr3MoV	0.78-1.10	0.40-1.10	0.20-0.50	2.80-3.20	0.20-0.60	0.05-0.15	≤0.80	≤0.25	≤0.025
8Cr5MoV	0.78-0.90	0.40-1.10	0.20-0.50	4.80-5.50	0.20-0.60	0.10-0.20	≤0.80	≤0.25	≤0.020

2. Adkeynnaanta dusha sare ee jirka duubista shaqada

No.	surface hardness(HSD)	Recommended use
1	≥95	Work rolls for skin pass and finish mills
2	90-98	Work rolls for metal plates and strips
3	75-90	Work rolls for preliminary [rough] rolling of metal plates and strips Cold rolling intermediate rolls for metal plates and strips

3. adkaanta dusha sare ee qoorta duubista

No.	surface hardness(HSD)
1	30-50
2	50-65
3	75-90

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Category: Shafka caloosha

 Xarunta Waxsoosaarka> Shafka caloosha> Duubista Dib-u-celinta Birta Dahaarka leh ee Chrome-ka ah