Prix FOB
Obtenir le dernier prix( Negotiable )
|5 Ton Minimum Order
Pays:
China
N ° de modèle:
High nickel alloy
Prix FOB:
( Negotiable ) Obtenir le dernier prix
Localité:
ShangHai,China
Prix de commande minimale:
-
Commande minimale:
5 Ton
Packaging Detail:
Fumigation-Free Plywood Boxes
Heure de livraison:
Depending on customer's requirement
Capacité de Fournir:
1000 Ton per Month
Payment Type:
Other, D/P, D/A, L/C, T/T
Groupe de produits :
Personne àcontacter Mr. Luoyang
Banqiao Shizishu Industry Zone, Nanjing, China, Nanjing, Jiangsu
Hearth roll
Hearth roll is one of the most important parts of the continuous annealing furnace. Its working condition is the decisive factor if annealing furnace can be normal production.
Work and structural features of a hearth roll
Structures and materials of hearth
roll
Working at over **0 ℃ in the furnace and rotation under load,
meantime mechanical damage by charge, the hearth roll material
must have high-temperature strength and oxidation resistance. The
structure shown that the centrifugal casting roll is a hollow
cylinder, two alloy roll end welded. Furthermore two end shaft
welded in the roll end. The thin-walled rollers to give axial
thermal resistance. The insulation materials inserted from the
roll barrel to roll the end to reduce the temperature of the
bearings.
Furnace hearth roll materials are ZG*5Ni*0Si or ZGCr*5Ni*5Nb, due
to the high Ni alloy is expensive, domestic production of furnace
hearth rollers using cheap ZG3Cr*4Ni7SiNRe, this material has
high-temperature strength, endurance strength higher than
ZGCr*5Ni*0Si2, after long-term use aging embrittlement tendency
is small. Due to the addition of rare earth the oxidation
resistance of the steel improved.
The hearth roll body
The diameter of the furnace hearth roll if possible use of
smaller size at high-temperature strength permitting to reduce
the weight of the weight and save precious metal.
The furnace hearth roll commonly use spiral roller bearings or
spherical bearings. The bearing temperature is high so
high-temperature grease lubrication is needed. The diameter of
the haft journal is usually smaller than the 0.**0.*5mm of
bearing because of radial expansion.
The roller can be applied in not only metallurgy industry but
other appliance.
High nickel and high chrome heat resistant alloys, cobalt base
alloys, like HU, HT, HK, HP, HW, *4/*4NbTiZr, *0Cr/*0Ni (2.***3),
1.***5, 1.***9, 1.***8, 1.***0, 1.***9, 1.***1, 1.***5, 1.***2,
2.***9 or as per customer's requirements.
The roller can be forged in perfect quality and also manufactured
by centrifugal cast. The ceramic molds centrifugal castings offer
many advantages as to flexibility of diameter and length. The
production is dense, sound castings and has almost the same
mechanical properties as forging production. The production can
be machined to different roller, hydraulic cylinder, pipe model,
etc. Our production has grand application area in industry and
has international standards of quality that help us assuring our
customers of our credibility.
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| Pays: | China |
| N ° de modèle: | High nickel alloy |
| Prix FOB: | ( Negotiable ) Obtenir le dernier prix |
| Localité: | ShangHai,China |
| Prix de commande minimale: | - |
| Commande minimale: | 5 Ton |
| Packaging Detail: | Fumigation-Free Plywood Boxes |
| Heure de livraison: | Depending on customer's requirement |
| Capacité de Fournir: | 1000 Ton per Month |
| Payment Type: | Other, D/P, D/A, L/C, T/T |
| Groupe de produits : | steel alloy |
