1.2316/3Cr17Mo Plastic Mold Tool Steel Plates Bars Sheet Forgings

Product Details

Specification

Round bar	Diameter(mm)	Length(mm)	-
	Forged round bar：φ50~450	2000~6000	-
	Rolled round bar：φ10~80	2000~6000	-
Flat bar	Thickness(mm)	Width(mm)	Length(mm)
	Forged plate：20~300	50~710	2000~6000
	Rolled plate：10~65	155~610	2000~6000

Chemical composition（%）

Standard	Steel Grade	C	Si	Mn	P	S	Cr	Mo	other
DIN			≤1.00	≤1.00					Ni≤1.00
ASTM	3Cr17Mo	-	-	-	-	-	-	-	-
GB	-	-	-	-	-	-	-	-	-

Trade of steel and characteristics:

Hardenable steel, resistant to oxidation and corrosion.

The high chromium content combined with low carbon provides a good resistance to corrosion, subject to surface being perfectly polished after heat treatment.

Applications:

Moulds for corrosive thermoplastic material. Chromizing is not necessary.

These two grades allow very high polish.

They are generally supplied pretreated to 800-1100 N/mm2 according to request.

Heat treatment(if necessary):

steel suppliers:

Heat treatment:

Annealing: Temperature: 780-800℃

Holding time: 4-6H; Slow surface cooling

Hardness after annealing: max.250HB

Stress relieving: Temperature: appr.650℃

Holding time: 1-2H; Slow surface cooling

Hardening: Temperature:1020-1050℃

Quenching: oil or polymer(interrupt at appr.120-150℃).

Hardness obtainable: appr.52HRC

Tempering: According to diagram, to values between 800 and 1100 N/mm2.

Nitriding: Possible with appropriate tempering;

However, this treatment reduces resistance to corrosion.

,based on the over one hundred years’s production history of in Huangshi, provide professional services and material for cutting tool companies, mould companies and other industrial enterprises all over the world for years.

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