Songhan Plastic Technology Co.,Ltd.
 POLYMER SEARCH

Assab Steels 618 Plastic Mold Material

Category Metal , Ferrous Metal , Alloy Steel , Chrome-moly Steel
Manufacturer Assab Steels
Trade Name
Port Ningbo port,China
Trade Terms FOB, CFR, CIF
Payment Terms L/C, T/T, Western Union
Download PDF Assab Steels 618 Plastic Mold Material.pdf
Price EMAIL US    sales@lookpolymers.com
  Online Service   lookpolymers   27660005
Material Notes:
ASSAB 618 is a vacuum-degassed Cr-Ni-Mo-alloy steel which is supplied in the hardened and tempered condition. ASSAB 618 is manufactured to consistently high quality standards with a controlled sulfur content (max. 0.015%) giving a steel with the following characteristics: Good polishing and photo-etching propertiesGood machinabilityHigh purity and good homogeneityUniform hardness in all dimensionsApplications: Injection moulds for thermoplasticsExtrusion dies for thermoplasticsBlow mouldsForming tools, press-brake dies (possibly flame hardened or nitrided)Machine or structural components, shafts.AISI P20 modified, W.-Nr. 1.2738
Physical Properties Metric English Comments
Density 7.81 g/cc
0.282 lb/in³
7.75 g/cc

@Temperature 200 °C
0.280 lb/in³

@Temperature 392 °F
Mechanical Properties Metric English Comments
Hardness, Brinell 290 - 330
290 - 330
hardness supplied.
325
325
tempering at 600°C
450
450
tempering at 400°C
500
500
tempering at 200°C
Tensile Strength, Ultimate 979 MPa

@Thickness 25.4 mm,
Temperature 200 °C
142000 psi

@Thickness 1.00 in,
Temperature 392 °F
R<sub>m</sub>. Bar. 310 HB
1080 MPa

@Diameter 25.4 mm
156000 psi

@Diameter 1.00 in
R<sub>m</sub>. Bar. 310 HB
Tensile Strength, Yield 827 MPa

@Diameter 25.4 mm
120000 psi

@Diameter 1.00 in
R<sub>p</sub>0.2. bar. 310 HB
986 MPa

@Diameter 25.4 mm
143000 psi

@Diameter 1.00 in
R<sub>p</sub>0.2. bar. 310 HB
Elongation at Break 14 %

@Thickness 25.4 mm
14 %

@Thickness 1.00 in
bar; 310 HB
15 %

@Thickness 25.4 mm,
Temperature 200 °C
15 %

@Thickness 1.00 in,
Temperature 392 °F
bar; 310 HB
Reduction of Area 49 %

@Thickness 25.4 mm,
Temperature 20.0 °C
49 %

@Thickness 1.00 in,
Temperature 68.0 °F
bar; 310 HB
51 %

@Thickness 25.4 mm,
Temperature 200 °C
51 %

@Thickness 1.00 in,
Temperature 392 °F
bar; 310 HB
Modulus of Elasticity 205 GPa
29700 ksi
200 GPa

@Temperature 200 °C
29000 ksi

@Temperature 392 °F
Impact Test 25.0 J

@Diameter 25.4 mm,
Temperature 20.0 °C
18.4 ft-lb

@Diameter 1.00 in,
Temperature 68.0 °F
310 HB
42.0 J

@Diameter 25.4 mm,
Temperature 100 °C
31.0 ft-lb

@Diameter 1.00 in,
Temperature 212 °F
bar. 310 HB.
50.0 J

@Diameter 25.4 mm,
Temperature 150 °C
36.9 ft-lb

@Diameter 1.00 in,
Temperature 302 °F
310 HB.
Thermal Properties Metric English Comments
CTE, linear 12.7 µm/m-°C

@Temperature 20.0 - 200 °C
7.06 µin/in-°F

@Temperature 68.0 - 392 °F
Specific Heat Capacity 0.460 J/g-°C

@Temperature 20.0 °C
0.110 BTU/lb-°F

@Temperature 68.0 °F
Thermal Conductivity 29.1 W/m-K

@Temperature 20.0 °C
202 BTU-in/hr-ft²-°F

@Temperature 68.0 °F
29.5 W/m-K

@Temperature 200 °C
205 BTU-in/hr-ft²-°F

@Temperature 392 °F
Component Elements Properties Metric English Comments
Carbon, C 0.37 %
0.37 %
Chromium, Cr 2.0 %
2.0 %
Iron, Fe 94.73 %
94.73 %
Manganese, Mn 1.4 %
1.4 %
Molybdenum, Mo 0.20 %
0.20 %
Nickel, Ni 1.0 %
1.0 %
Silicon, Si 0.30 %
0.30 %
Copyright © lookpolymers.com All Rights Reserved