STEEL PLATES GUIDE

List of steel plates

Plates series Plates series High-precision
ground plates
Ground plates Ground plates for wedm Milled plates Finished
plates
With water hole and heater hole
Finishing Finishing Polished
6-face surface
Polished
6-face surface
Top & bottom
2-face: Polished surface Others : Milled
Milled
6-face
surface
Top & bottom
2-face:
Rotary-polished
Others:Milled
Top & bottom
2-face:
Polished surface
Rotary-polished
Milled
Others:Milled
Material
(Hardness)
S50C
(Annealed)
Standard - S50CSP S50CWP S50CFP S50CRP -
Free size - F-S50CSP *T-S50CWP F-S50CFP F-S50CRP M-S50CFP
M-S50CRP
M-S50CSP
NAK55
(37~43HRC)
Standard - NAK55SP NAK55WP NAK55FP NAK55RP -
Free size NAK55HP
NAK55MP
F-NAK55SP *T-NAK55WP F-NAK55FP F-NAK55RP -
NAK80
(37~43HRC)
Standard - NAK80SP NAK80WP NAK80FP NAK80RP -
Free size NAK80HP
NAK80MP
F-NAK80SP *T-NAK80WP F-NAK80FP F-NAK80RP -
STAVAXESR®
(27~35HRC)
Standard - STAVAXSP STAVAXWP STAVAXFP - -
Free size - F-STAVAXSP *T-STAVAXWP F-STAVAXFP - -
PX5
(30~33HRC)
Standard - PX5SP PX5WP PX5FP - -
Free size - F-PX5SP *T-PX5WP F-PX5FP - -
DH2F
(38~42HRC)
Standard - - DH2FWP DH2FFP - -
Free size - - *T-DH2FWP F-DH2FFP - -
SKD11
(Annealed)
Standard - - SKD11WP SKD11FP SKD11RP -
Free size - - *T-SKD11WP F-SKD11FP F-SKD11RP -
STAVAXESR® is a registered trademark of UDDEHOLM TOOL CO.
*Free size of ground plates for wedm are thickness T 0.01mm increments type.

Material characteristics of steel plates

Items Mechanical property Physical property
Tensile strength Proof stress Charpy impact Coefficient of thermal expansion Coefficient of thermal conductivity Specific gravity
20°C 20°C - 20°C~
100°C
20°C~
200°C
100°C 200°C 20°C
Unit N/mm2 N/mm2 J/cm2 ×10-6/°C ×10-6/°C W(m·°C) W(m·°C) g/cm2
Material S50C Quenching 810~860
water-cooled Tempering 550~650
rapid-quenched
740 or more
540 or more 69 or more 11.5 12.3 50.2 46 7.87
NAK55 1255 981 18 11.3 12.5 38.9 41.9 7.8
NAK80 1255 1010 21.5 11.3 12.5 38.9 41.9 7.8
STAVAXESR® 1130 900 10.0 10.7 11 (20°C)
16
20 7.8
PX5 990 880 65 11.9 12.7 42.4 42.1 7.85
DH2F 1330 1100 40 8.9 10.8 25.5 - 7.75
SKD11 (Quenched 57~60 HRC) Approx.
1000
Approx. 1000 30 12 12.5 27.2 - 7.7
The data will vary depending upon heat treatment conditions and also the conditions of use, so use it only as a rough guide.
STAVAXESR® is a registered trademark of UDDEHOLM TOOL CO.