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P20 (DIN1.2311) Plastic mould steel hardened&tempering Payment term:L/C at sight or T/T Trade term:CIF technology:EAF+LF+VD

1.Desciption:P20 (DIN1.2311) Plastic mould steel2.Delivery condition: Hot rolling or forging, black surface, pre-harden or tempering to 28~33HRC/30~35HRC

3.Payment term:prepay 30% deposit. the blance against L/C at sight or T/T4.Trade term:CIF or as according you request5.technology:EAF+LF+VD

6.Application: used for mahing various large-sized or medium-sized precise plastic moulds and low melting point alloy parts, like: tin, zinc and lead alloy casting moulds

7.Characteristics:

--Pure steel quality due to vacuum degassing treatment

--The screwing die is formed by forging, and the flat steel and round steel are formed by rolling at a high ratio of deformation. It is compact in structure, suitable for making the plastic molds  requiring polish or etch machining.

--Porosity occurs if the thickness of rolled sheet is higher than 120mm.It is not recommended for use to the molds with mirror polishing requirements.

8.Chemical composition:

C	Mn	Si	S	P	Cr	Mo
0.35	0.80	0.60	0.003	0.003	1.65	0.45

9.Compared grades(based on usage):

Chinese	American	German	Swedish	Japanese
GB	AISI	DIN	ASSAB	JIS
3Cr2Mo	P20	1.2311	618	PDSS

GS638