【干货】石材的重量、厚度和价格计算方法

作者: 来源: 139石材网 日期: 2016-05-23 11:41:23 人气: - 评论: 0

 石材重量如何计算

石材重量=长*宽*厚*比重,石材比重、也叫密度

通常大理石的比重是2.5重量(吨)

花岗岩密度或比重大约为每立方2.6吨-2.9吨

石材厚度如何计算

1. 以公分(㎝)计算: 1厘米(㎝) =10毫米(㎜) =0.01米(m)

花岗石常用厚度:15㎜、19㎜、25㎜、30㎜、50㎜

大理石常用厚度:20㎜、30㎜、40㎜

岗石、进口岗石常用厚度:12㎜、19㎜

2. 以分计算: 1分 = 1/8吋 = 3.2㎜(通称3㎜)

4分 = 4/8吋 = 12.8㎜(通称12㎜)

5分 = 5/8吋 = 16㎜(通称15㎜)

6分 = 6/8吋 = 19.2㎜(通称19㎜)

石材价格计算方法:   

一、规格石材举例说明:按照石材幕墙通常做法,厚度通常有18mm、25mm、30mm三种,以此三种情况为例,说明计算材料价格的过程:     

1、石材荒料要经过切割,加工成可以利用的形状及厚度,按18mm,锯材缝8mm,则每立方米荒料可以出材1000&pide;(18+8)=38.46平米。     

2、荒料价格通常6000元/立方米,大切考虑80元/㎡的切割费,则成本价为6000&pide;38.46=156元/㎡,加切割费后为156+80=236元/㎡。     

3、石材板块由于规格大小不同,都存在切裁利用率的问题,一般取90%,考虑切裁损耗的影响,成本价应为236&pide;90%=262元/㎡.     

4、石材厂家一般要考虑15%~30%不等的利润,若按15%计算,厂家报价应该是262&pide;85%=308元。     

5、石材运费18mm石材8~10元/㎡,25mm石材14~16元/㎡,30mm石材18~23元/㎡,均考虑一次装卸,高低费用的选择主要看工程所在地离加工地点的远近。例如25mm石材价格为:1000÷(25+8)=30.30㎡;6000÷30.30=198元/㎡;198+80=278元/㎡;278÷90%=309元/㎡;309÷85%=363元/㎡,考虑运费后363+14=377元/㎡。例如30mm石材价格为:1000÷(30+8)=26.31㎡;6000÷26.31=228元/㎡;228+80=308元/㎡;308÷90%=342元/㎡;342÷85%=402元/㎡,考虑运费后402+18=420元/㎡。

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