STEEL PLATES GUIDE
STEEL PLATES
■ Precision Standard for Steel Plates
■ Product Selection
List of Steel Plates
High–precision ground plates
Precision Standard
Plates series
Ground plates
Wire cut plates
Milled plates
Finished plates
Ⓒ Flatness (for 100 mm) Top: High–precision polishing/polishing/wire cut plates Bottom: Milled/finished plates
Reference plane Squareness
Plate thickness Parallelism
Top and bottom 2–face: Polished surface Others: Milled
Top & bottom 2–face: Rotary–polished Others: Milled
Ⓑ
Ⓐ
Plates series
Finishing
Polished 6–face surface Polished 6–face surface
Milled 6–face surface
T3.00–8.00
T8.01–10.00 T10.01–20.00 T20.01–40.00 T40.1–100.00
(For 100 mm)
(For 100 mm)
T5–7
T8–15
T16–25
T26–40
T41–50
S50CSP
S50CWP
S50CFP
S50CRP
P.495
P.497
P.499
P.501
Standard
–
S50C (Unannealed)
High–precision ground plates
0.005
0.005
0.01
0.01
0.01
0.008
0.005
* T–S50CWP P.497
F–S50CSP
F–S50CFP
F–S50CRP
P.495
P.499
P.501
Free size
–
Ground plates
0.008
0.008
0.02
0.02
0.015
0.01
0.008
NAK55SP
NAK55FP
NAK55RP
P.495
P.499
P.501
Standard
–
–
NAK55 (37–43HRC)
NAK55HP NAK55MP
Wire cut plates
0.015
0.008
0.02
0.02
0.015
0.01
0.008
P.494 F–NAK55SP P.495
F–NAK55FP P.499 F–NAK55RP P.501
–
Free size
NAK80SP
NAK80FP
NAK80RP
P.495
P.499
P.501
Standard
–
–
Milled plates
0.015
0.05
0.1
0.07
0.05
0.05
0.05
NAK80 (37–43HRC)
NAK80HP NAK80MP
P.494 F–NAK80SP P.495
F–NAK80FP P.499 F–NAK80RP P.501
–
Free size
Finished plates
0.015
0.012
0.05
0.03
0.015
0.012
0.012
STAVAXSP
P.495 STAVAXWP P.497
STAVAXFP
P.499
Standard
–
–
* T–STAVAXWP P.497 F–STAVAXFP P.499
(27–35HRC)
C 平面度 Ⓒ Flatness
A A 基準面直角度 Ⓐ Reference plane right angle
Ⓑ Plate thickness parallelism
F–STAVAXSP P.495
–
Free size
–
PX5SP
PX5WP
PX5FP
P.495
P.497
P.499
Standard
–
–
PX5 (30–33HRC)
* T–PX5WP
F–PX5SP
F–PX5FP
P.495
P.497
P.499
–
Free size
–
DH2FWP
DH2FFP
P.497
P.499
Standard
–
–
–
DH2F (38–42HRC)
* T–DH2FWP P.497
Datum plane
F–DH2FFP
P.499
–
Free size
–
–
SKD11WP
SKD11FP
SKD11RP
P.497
P.499
P.501
Standard
–
–
SKD11 (Unannealed)
* T–SKD11WP P.497 F–SKD11FP P.499 F–SKD11RP P.501
Reference plane
Free size
–
–
Datum plane
■ Comparison of top and bottom finished surfaces • Surface polishing
■ Steel plate finishing Plates series
E is a registered trademark of Uddeholms Co. Ltd. *The designated type of plate thickness (T) is 0.01 mm increments for wire cut plates. E Plates with water and heater holes are only available online.
Finishing
Finished surfaces
■ Material characteristics of steel plate s
High–precision ground plates
Polished 6–face surface
Mechanical property
Physical property
Tensile strength
Coefficient of thermal expansion
Coefficient of thermal conductivity
Specific gravity
Items
Proof stress Charpy impact
20˚C
20˚C
–
20˚C–100˚C
20˚C–200˚C
100˚C
200˚C
20˚C
× 10 – 6 /K( ˚C )
W/(m ・ ˚C )
W/(m ・ ˚C )
× 10 – 6 /K(˚C)
Unit
N/mm 2
g/cm 2
N/mm 2
J/cm 2
Ground plates
Polished 6–face surface
Quenching 810–860 water–cooled Tempering 550–650 rapid–quenched 740 or more
S50C
540 or more
69 or more
11.5
12.3
50.2
46
7.87
• Rotary polishing
Top & bottom 2–face : Polished surface Others : Milled
NAK55
Wire cut plates
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
(20˚C) 16
Milled plates
Milled 6–face surface
1130
900
10.0
10.7
11
20
7.8
• Milling finish
PX5
990
880
65
11.9
12.7
42.4
42.1
7.85
Top & bottom 2–face : Rotary–polished Others : Milled
Finished plates
DH2F
1330
1100
40
8.9
10.8
25.5
–
7.75
SKD11 (After quenching 57–60HRC)
Top & bottom 2–face : Polished surface
approx. 1000 approx. 1000
30
12
12.5
27.2
–
7.7
With water hole and heater hole E Web–only product
E Use the values mentioned in the data for reference only as the data will change depending on the heat treatment and use conditions. E is a registered trademark of Uddeholms Co. Ltd.
Rotary–polished Milled processing
491
492
Others :
Milled
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