Precision Plate Accuracy Standards

SS-400,S50C(Up to 25mm thick),S55C(More than 25mm thick),SK3,SKS3,SKD11,ARK1,ACD37,HPM1

* In the case of F-SK3, F-SKS3, F-SKD11, and ACD37, stock layout is set that the rolling direction of material is in the direction of an arrow.

Dimensional allowance of T 

  SS400,S50C
S55C,HPM1
SK3,SKS3
SKD11,ARK1®
ACD37 
L:Up to 300 +0.1 ~ +0.2 +0.3 ~ +0.5
L: More than 300 and up to 600 +0.15 ~ +0.25
L:More than 600 and up to 1000 +0.2 ~ +0.3

Flatness of both faces of T(per 100mm)

  L:Up to 300 L:More than 300 and up to 1000
T:5 or more and up to 10 0.04 0.05
T:More than 10 and up to 16 0.03 0.04
T:More than 16 and up to 25 0.015 0.025
T:More than 25 and up to 40 0.012 0.02
T:More than 40 0.015 0.012

◇Uniformity of thickness (T)・・・・・0.008 per 100mm

◇Squareness of reference plane・・・・・0.008mm per 100mm

RIGOR,STAVAX ESR,STAVAX ESR Prehardned steel,ASP23

Dimensional allowance of T 

Material Allowance
RIGOR® +0.3 ~ +0.5
STAVAX ESR® +0.3 ~ +0.5
STAVAX ESR® Prehardned steel +0.1 ~ +0.2
ASP®23 +0.4 ~ +0.6

Flatness of both faces of T(per 100mm)

T L: Up to 300
5 or more and up to 10 0.04
More than 10 and up to 20 0.03
More than 20 and up to 40 0.02
More than 40 0.015

◇Uniformity of thickness (T)・・・・・0.012 per 100mm

◇Squareness of reference plane・・・・・ 0.015 per 100mm

AAG/Aluminum Alloy plate

Dimensional allowance of T 

8,10,12 20 25,30
Allowance ±0.05 ±0.10 ±0.15

Uniformity of thickness (T)

8,10,12 20 25,30
Deviation 0.03 0.07 0.10

Squareness of reference plane・・・・・ 0.008 per 100mm

AAS/Aluminum Alloy plate

Dimensional allowance of T

L Allowance
Up to 300 +0.1~ +0.2
More than 300 and up to 450 +0.15~ +0.25

Flatness of both faces of T(per 100mm)

L
  Up to 300 More than 300 and up to 450
20 0.015 0.020
More than 20 and up to 40 0.010 0.015
More than 40 and up to 100 0.008 0.010

Squareness of reference plane・・・・・ 0.008 per 100mm

ASP23/Quenching plate

・Uniformity of thickness (T)・・・・・0.008

・Flatness of both faces of T(per 100mm)

Allowance
1.5 or more and up to 5 0.020
More than 5 and up to 10 0.015

◇Squareness of side ・・・・・0.020

SS-400,S55C(More than 25mm thick)

Dimensional allowance of L

L Allowance
Up to300 -0.3 ~ 0
More than 300 and  Up to 400 -0.5 ~ 0

Uniformity of thickness(T) ・・・・・・・・0.008 per 100mm