Customized Section Steel Buildings Kits Work Roller Casting Heat Resistant
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Customized Section Steel Buildings Kits Working Roller Casting Heat ResistantThe rolls/rollers are of good heat, corrosion, wear-resistant properties, working at high temperature environment on average: 800 to 1200°C, which are used in the steel mills, like CAL (continuous annealing line), CGL (continuous galvanizing line)
Materials Standards ANSI, ASTM, ASME, DIN, GB
Guaranteed features of forged steel work rolls for cold rolling High and uniform hardness after hardening (within 1-2 HSD over the barrel) Effective layer depth over the radius (20-40 mm) High thermal fatigue resistance during overall and local heat-up, increased heat resistance (high hardness is maintained for a long time under steady-state thermal conditions of the roll); Resistance to surface defects, cracking, lamination, scabbing, spalling, tearing, etc. High surface quality after heat treatment and machining Favourable distribution and minimal value of residual stresses after hardening and machining Absence of metallurgical defects and impurities Absence of flakes, coarse carbide clusters, carbide network, large-pattern acicular martensite and other macro- and microstructural defects Absence of machining defects
Specification
Advantages: More than 30 years of professional experience and continuous
R&D efforts enable us to offer better custom design and
engineering advice. Use only new raw material like nickel plate, chrome iron, cobalt,
ferrotungsten to guarantee physical property and increased service
life of our castings. Owned in-house production and inspect facility to guarantee the
best quality. Experienced workers for foundry, machining and welding guarantee
excellent quality and prompt delivery DESCIPTION of Work Rolls or Backup Roller: 1) Material: Alloy Steel, Alloy Iron, Ductile Iron namely 9Cr3Mo,
70NiMoV etc. 2) Standard: GB, AISI, SAE, ASTM/ASME, EU, AS/NZS etc 3) Size: According to clients' drawing or design needs 4) Hardness: based on design specification 5) Chemical Composition and mechanical property: as specified. Packing and preservation Packing and preservation methods depend on the contract conditions and on the climatic zone where the rolls are going to be supplied, as well as on the transportation and storage conditions. The items ready to be shipped are covered with a preservative coating – several layers of primer and enamel. The roll necks are wrapped into anticorrosive paper with polyethylene coating and into waterproof paper.
Storage and service The rolls should be stored at a non-heated storage, on special shelves, resting on their necks. Ageing or periodical low tempering is strongly recommended during roll operation life. we can do various customized work rolls ranging in different sizes
and processes. please feel free to make any enquiries accordingly. |
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Product Tags: steel metal building kits steel frame building kits |
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