2311 Plastic Mould Steel

We supply full range of Plastic mould Steel plate, Plastic Mould steel round bar , Carbon steel plate, Carbon steel round Bar,  Hot work steel , Special Steel ,Tool Steel ,Corrosion resistant Steel.

 

Description

  • 2311 Steel Properties
  • Nearest Equivalent : P20, NAK55, P20+Ni

What is 1.2311 grade steel?

1.2311 is the Pre Hardened Plastic mould steel hardness distributed evenly in large cross sections that have excellent weldability with least hardness elevation, good mirror polishability and less streak texture making finishing easier. Size Section availability upto 255mm thickness. Supply hardness is 240-280 BHN.

 2311 mold Steel Equivalent Steel Grades

Country USA German GB/T
Standard ASTM A681 DIN EN ISO 4957 GB/T 1299
Grades P20 1.2311 3Cr2Mo

AISI P20 Steel Plate Materials

ASTM A681 C Mn P S Si Cr Mo
P20 0.28 0.4 0.6 1 0.03 0.03 0.2 0.8 1.4 2 0.3 0.55
DIN ISO 4957 C Mn P S Si Cr Mo
1.2311 0.35 0.45 1.3 1.6 0.03 0.03 0.2 0.4 1.8 2.1 0.15 0.25

P20 Steel Mechanical Properties

Properties Metric
Hardness, Brinell (typical) 300
Hardness, Rockwell C (typical) 30
Tensile strength, ultimate 965-1030 MPa
Tensile strength, yield 827-862 MPa
Elongation at break (in 50 mm (2″)) 20.00%
Compressive strength 862 MPa
Charpy impact (V-Notch) 27.1-33.9 J
Poisson’s ratio 0.27-0.30
Elastic modulus 190-210 GPa

What is 2311 steel used for?

Plastic mould steel equivalent to 1.2311 use for die holders, zinc die, casting dies, backers, bolsters, injection moulds, mould frames for plastic moulds, Shoe Blocks, pressure casting moulds, recipient sleeves Etc.

2311 Steel Heat Treatment

Soft annealing °C Cooling Hardness HB
710 – 740 Furnace max. 235

 

Hardening °C Quenching Hardness after quenching HRC
850 – 880 Oil or saltbath, 180 – 220 °C 52

 

Tempering °C after Quenching 100 200 300 400 500 600 700
HRC 52 50.5 48.5 46 42 36.5 28

We supply full range of Plastic mould Steel plate, Plastic Mould steel round bar , Carbon steel plate, Carbon steel round Bar,  Hot work steel , Special Steel ,Tool Steel ,Corrosion resistant Steel.