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steel castings，castings，iron castings
The castings are mainly used in the following five fields
1. Engineering machinery : Prime products are front-end body and rear-end body, which are the main force-bearing parts in excavators, playing a role in support,connection and rotation. Because of the large strength needed, the requirement to casting performance is high.The main materials are two kinds : ScSiMn1H and S450W; performace requirement : tensile strength≥620Mpa ; impact≥78J; MT requires no crack; UT2 level ; process certification needs RT3 level.
2. Engineering Vehicles : Most mining loaders, main series castings are 50T、70T、100T loaders’ rear axle housing, semiaxis, front/rear hub, supporting frame etc. .Main materials are 35CrMo、35CrMnSi、30CrMnSi and 29MnMoNi; performance requirement : tensile strength≥ 620 Mpa; extensibility : 22; section shrinkage ≥45.
3. Locomotive products : the castings are mainly high strength and low alloy (HSLA)axle boxes used in the train. materials are B+, C grade, low temperature impact (-40 centigrade),impact ≥ 27Joule.
4. Mining equipment : Baffle slot and slot wall are principal products used in mining machinery , which can bear strong impact ,materials are mainly 30MnSi. Performace required: no crack during Magnetic Test; Ultrosonic Test level 2; technology test X-Ray level 3.
5.Generator Sets: The steel castings series, such as gland housing,diaphragm rim casting, lp inner ring casting,diaphragm sleeve etc. are mainly used in turbogenerator sets. Materials are 20CrMo,15CrMo,15Cr2Mo1,15Cr1Mo1V,17Cr1Mo1V and 20CrMoV. Performance required :workable under 500 centigrade degree, and high stress bearable .
Minimum Order: 3 tons
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SOURCE: Import-Export Bulletin Board (http://www.imexbb.com/)
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