Table of Allowable Thickness Tolerance for cold-rolled Sheet & Strip JISG3141

Thickness/Allowable Tolerance/Width To below 630 630 to below 100 1000 to below 1250 1250 to below 1600 above 1600
to below 0.25 ±  0.03 ±  0.03 ±  0.03  --  --
0.25 to below 0.40 ±  0.04 ±  0.04 ±  0.04  --   --
040 to below 0.60 ±  0.05 ±  0.05 ±  0.05 ±  0.06  --
0.60 to below 0.80 ±  0.06 ±  0.06 ±  0.06 ±  0.06 ±  0.07
0.80 to below 1.00 ±  0.06 ±  0.06 ±  0.07 ±  0.08 ±  0.09
1.00 to below 1.25 ±  0.07 ±  0.07 ±  0.08 ±  0.09 ±  0.11
1.25 to below 1.60 ±  0.08 ±  0.09 ±  0.10 ±  0.11 ±  0.13
1.60 to below 2.00 ±  0.10 ±  0.11 ±  0.12 ±  0.13 ±  0.15
2.00 to below 2.50 ±  0.12 ±  0.13 ±  0.14 ±  0.15 ±  0.17
2.50 to below 3.15 ±  0.14 ±  0.15 ±  0.16 ±  0.17 ±  0.20
above 3.15 ±  0.16 ±  0.17 ±  0.19 ±  0.20  --
 

Table of Allowable Width Tolerance for Cold-rolled Sheet & Strip JISG3141

Width Allowable Tolerance  A Allowable Tolerance B
Upper limit lower limit upper limit lower limit
to below 1250 7 0 3 0
above 1250 10 0 4 0
 

Table of Allowable Length Tolerance for Cold-rolled Sheet JISG3141

Length Allowable tolerance A Alowable Tolerance B
Upper Limit Lower Limit Upper Limit Lower Limit
to below 100 10 0 3 0
1000 to below 2000 10 0 4 0
2000 to below 3000 15 0 6 0
3000 to below 4000 15 0 8   --
4000 to below 6000 20 0   -  --
 

Table of Allowable Sickle Bending Value for Cold-rolled sheet & Strip JISG3141

Unit : mm
Width/Allowable Tolerance/Length Sheet Strip
to below 200 above 2000
30 to below 60 8 8 (arbitrary 2000 long) 8 (arbitrary 2000 long)
60 to below 630 4 4 (arbitrary 2000 long) 4 (arbitrary 2000 long)
above 630 2 2 (arbitrary 2000 long) 2 (arbitrary 2000 long)
 

Table of Allowable Unflatness Value for Cold rolled sheet JISG3141

Width/Allowable Tolerance/Classificatio unflatness (A) unflatness (B)
(bow wave) (Edge Wave) (Centre Buckle) (Bow Wave) (Edge Wave) (Centre Buckle)
500 to below 1000 12 8 6 2 2 2
1000 to below 1250 15 9 8 3 2 2
1250 to below 1600 15 11 8 4 3 2
above 1600 20 13 9 5 4 2

 

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