模具材料价格影响因素主要看，进口和国产，规格和数量，这个对价格的影响很大，还有运输路程、加工要求、是否含税、结算方式等因素，大概价格区间。建议您咨询一下在线客服，得到实时钢材报价！Thesurfacehardnessisimportantindexforthemanufacturingqualityevaluationofferromagneticmaterialsandthenon-destructivelyquantitativetestingofsurfacehardnessisoneofthehottopicsinthefield.MagneticBarkhausennoise(MBN)measurementtechniqueisappliedforquantitativeevaluationofsurfacehardnessinS136steel.Aself-developeddeviceisusedtoconductMBNmeasurementsinsixtyspecimensofdifferentsurfacehardness.ThecoefficientofvariationoftherepeatedmeasuredmagneticparametersisanalyzedtoshowthatthedevicehasgoodrepeatedaccuracyforMBNmeasurements.Toachievequantitativecharacterizationofthesurfacehardnessusingmagneticparameters,thedependencyofthesurfacehardnessonsixparametersextractedfromthemeasuredMBNandtangentialmagneticfieldsignalsisindividuallyanalyzed.Moreimportantly,comparativestudyisperformedamongthesimplelinearregressionmodels136属于什么类型不锈钢,multiplelinearregressionmodelandBPneuralnetworkmodeltoevaluatetheiraccuracyinsurfacehardnessprediction.TheresultsshowthattheBPneuralnetworkmodelemployingsixmagneticparametersasinputshashighestaccuracyinsurfacehardnessprediction.Atotalof300casesareinvestigatedanditisfoundthattheaveragepredictionerrorisonlyaround2.14%andthemaximumerrorisabout11.74%,andthepredictionerrorsoutof274of300casesarelessthan5.00%.AreferenceisprovidedforrealizingthenondestructivequantitativedetectionofsteelplatesurfacehardnessbasedonmagneticBuckhausennoisemethod.苏州东锜精密模具材料材料有限公司是模具钢、合金结构钢、压铸模具钢、合金结构钢、冷作模具钢、高速钢、塑胶模具钢、硬质合金、不锈钢金属材料等产品专业生产加工的公司，拥有完整、科学的质量管理体系，可按客户需要订做各种规格。