P21 /P20+S 1.2312 Plastic Mould Steel Flat Bar Round Bar

• Customization: Available
• Type: Round
• Standard: AISI, ASTM, DIN, JIS, GB, BS
• Model NO.: Round bar
• Composition: Stainless Steel Scrap
• Technique: Forged
• Shape: Plate
• Surface Treatment: Black or as Required
• Special Use: High-strength Steel Plate, Wear Resistant Steel, Silicon Steel, Cold Heading Steel, Free Cutting Steel, Mold Steel
• Application: Tool Steel Bar
• Transport Package: Wooden
• Specification: 6-400mm
• Trademark: Smooth
• Origin: China
• HS Code: 7214100000
• Production Capacity: 5000 Ton/Year

Product Description

 

1.2312 Description
DIN 1.2312 Steel Plate Material is a versatile, low-alloy tool steel that is characterized
by good toughness at moderate strength levels.
The special purpose mold steel 1.2312 steel plate is commonly used for plastic injection
mold cavities and toolingand for die casting
dies for zinc.
Applications of 1.2312 Materials
DIN 1.2312 is good for plastic injection moulds for thermoplastics, extrusion dies for thermoplastic,
compression molds application. Tools for plastics processing and moulds for pressure die casting.
Contact us for further information or the best cost or price of your request

1.2312 Steel Supply Form & Size & Tolerance

Supply Form	Size(mm)	Process	Tolerance
Round	Φ6-Φ100	Cold Drawn	Bright/Black	Best H11
	Φ16-Φ350	Hot Rolled	Black	-0/+1mm
			Peeled/ground	Best H11
	Φ90-Φ1000	Hot Forged	Black	-0/+5mm
			Rough Turned	-0/+3mm
Flat/Square/Block	Thickness :120-800	Hot Forged	Black	-0/+8mm
	Width:120-1500		Rough Machined	-0/+3mm

Remark:Tolerance can be customized as per requests
1.2312 Steel Chemical Composition

Grade	C	Mn	P	S	Si	Cr	Mo
1.2312	0.35-0.45	1.4-1.6	≤ 0.03	0.05-0.1	0.3-0.5	1.8-2.0	0.15-0.25

1.2312 Steel Relevant Standards
USA:P20+S
Germany:40CrMnMoS8-6
France: 40CMD8S
1.2312 Steel Physical Property

Density, g/cm3	7.85
Specific heat J/kg·K	470
Thermal expansion coefficient 10 ^-6m/(m·K)	20-100°C	20-200°C	20-300°C
Annealed	12.5	13.4	13.9
Tempered	12.3	13	13.7
Thermal conductivity W/(m · K)	100°C	200°C	300°C
Annealed	40.2	40.3	39
Tempered	39.8	40.4	39