Temp Table In Store Procedures

Can any one please tell me where i am going wrong..




Code Snippet
create proc SP_PercentageRMU
as
SELECT cast (sum([Usage Qty]) as [decimal] (28,8))as 'TUsageQty'
,RAW_MATERIAL
into #TZMelt_Pound
FROM [LatrobeOCT].[dbo].[ZMelt_Pound]

group by RAW_MATERIAL
GO
select [Usage Qty],(case when r.raw_material = z.raw_material
then cast ((r.[usage QTY] / z.TUsageQty) as decimal (28,8))
else 0
end) as '%UsageQty'
,r.[PRODL]

,r.RAW_MATERIAL
,r.[GRADECODE]
into #PZMelt_Pound
FROM [LatrobeOCT].[dbo].[ZMelt_Pound]r
inner join #TZMelt_Pound z on r.raw_material = z.raw_material

drop table #TZMelt_Pound
go






error

Msg 208, Level 16, State 0, Line 2

Invalid object name '#TZMelt_Pound'.