Guia de tolerância de espessura de placa de aço inoxidável

Stainless Steel Plate Thickness Tolerance Guide

I. GB4237-2007 Hot Rolled Stainless Steel Plate and Strip

1. Allowable thickness deviation for thick steel plate

Unit: Millimeters

Nominal Thickness Nominal width
>1000~≤1500 >1500~≤2000
Regular Accuracy Greater precision Regular Accuracy Greater precision
>3.0~≤4.0 ±0.31 ±0.28 ±0.33 ±0.31
>4.0~≤5.0 ±0.33 ±0.30 ±0.36 ±0.34
>5.0~≤6.0 ±0.36 ±0.33 ±0.40 ±0.37
>6.0~≤8.0 ±0.40 ±0.36 ±0.44 ±0.40
>8.0~≤10.0 ±0.44 ±0.40 ±0.48 ±0.43
>10.0~≤13.0 ±0.48 ±0.44 ±0.52 ±0.47
>13.0~≤25.0 ±0.53 ±0.48 ±0.57 ±0.52
＞25.0～≤30.0 ±0.56 ±0.51 ±0.60 ±0.55
>30.0~≤34.0 ±0.60 ±0.55 ±0.65 ±0.60
＞34.0～≤40.0 ±0.70 ±0.65 ±0.70 ±0.65
>40.0~≤50.0 ±0.80 ±0.75 ±0.85 ±0.80
>50.0~≤60.0 ±0.95 ±0.90 ±1.00 ±0.95
>60.0~≤80.0 ±0.95 ±0.90 ±1.3 ±1.25
>80.0~≤100.0 ±1.0 ±0.95 ±1.5 ±1.45
>100.0~≤150.0 ±1.10 ±1.05 ±1.7 ±1.65
>150.0~≤200.0 ±1.2 ±1.15 ±2.0 ±1.95

2. Allowable thickness deviation for cut-to-length plate and steel strip

Nominal Thickness Nominal width
≤1200 >1200~≤1500 >1500~≤1800
Regular Accuracy Greater precision Regular Accuracy Greater precision Regular Accuracy Greater precision
>2.0~≤2.5 ±0.22 ±0.20 ±0.25 ±0.23 ±0.29 ±0.27
>2.5~≤3.0 ±0.25 ±0.23 ±0.28 ±0.26 ±0.31 ±0.28
>3.0~≤4.0 ±0.28 ±0.26 ±0.31 ±0.28 ±0.33 ±0.31
>4.0~≤5.0 ±0.31 ±0.28 ±0.33 ±0.30 ±0.36 ±0.33
>5.0~≤6.0 ±0.33 ±0.31 ±0.36 ±0.33 ±0.38 ±0.35
>6.0~≤8.0 ±0.38 ±0.35 ±0.39 ±0.36 ±0.40 ±0.37
>8.0~≤10.0 ±0.42 ±0.39 ±0.43 ±0.40 ±0.45 ±0.41
>10.~≤13.0 ±0.45 ±0.42 ±0.47 ±0.44 ±0.49 ±0.45

II. GB4237-92 Hot Rolled Stainless Steel Plate and Strip

The steel currently purchased complies with the GB4237-92 standard.

1. Allowable tolerance for thick steel plate

Nominal Thickness Negative Deviation Thickness deviation allowed for the following widths
>1200~1500 >1500~1700 >1700~1800 >1800~2000 >2000~2300
>13~25 0.8 0.2 0.3 0.4 0.6 0.8
>25~30 0.9 0.2 0.3 0.4 0.6 0.8
>30~34 1 0.3 0.3 0.4 0.6 0.8
>34~40 1.1 0.4 0.5 0.6 0.7 0.9
>40~50 1.2 0.5 0.6 0.7 0.8 1
>50~60 1.3 0.7 0.8 0.8 1 1.1
>60~80 1.8 – 1 1 1 1
>80~100 two – 1.2 1.2 1.2 1.2
>100~150 2.2 – 1.3 1.3 1.3 1.4
>150~200 2.6 – 1.5 1.5 1.5 1.6

2. Allowable deviation for steel plate and steel strip

Nominal Thickness Thickness deviation allowed for the following widths
(Steel plate and steel strip) 600~750 >750~1000 >1000~1500
Greater precision Regular Accuracy Greater precision Regular Accuracy Greater precision Regular Accuracy
>0.35~0.50 ±0.05 ±0.07 ±0.05 ±0.07 – –
>0.50~0.60 ±0.06 ±0.08 ±0.06 ±0.08 – –
>0.60~0.75 ±0.07 ±0.09 ±0.07 ±0.09 – –
>0.75~0.90 ±0.08 ±0.10 ±0.08 ±0.10 – –
>0.90~1.10 ±0.09 ±0.11 ±0.09 ±0.12 – –
> 1.10 ~ 1.20 ±0.10 ±0.12 ±0.11 ±0.13 ±0.11 ±0.15
> 1.20 ~ 1.30 ±0.11 ±0.13 ±0.12 ±0.14 ±0.12 ±0.15
> 1.30 ~ 1.40 ±0.11 ±0.14 ±0.12 ±0.15 ±0.12 ±0.18
>1.40~1.60 ±0.12 ±0.15 ±0.13 ±0.15 ±0.13 ±0.18
>1.60~1.80 ±0.13 ±0.15 ±0.14 ±0.17 ±0.14 ±0.18
>1.80~2.00 ±0.14 ±0.16 ±0.15 ±0.17 ±0.16 ±0.18
> 2.00 ~ 2.20 ±0.15 ±0.17 ±0.16 ±0.18 ±0.17 ±0.19
＞2.20～2.50 ±0.16 ±0.18 ±0.17 ±0.19 ±0.185 ±0.20
>2.50~3.00 ±0.17 ±0.19 ±0.18 ±0.20 ±0.19 ±0.21
>3.00~3.50 ±0.18 ±0.20 ±0.19 ±0.21 ±0.20 ±0.22
>3.50~4.00 ±0.21 ±0.23 ±0.22 ±0.26 ±0.24 ±0.28
＞4.00～5.50 -0.333333333 -0.5 -0.5 -3 -0.25 -0.6
＞5.00～7.5 -0.25 -0.4 -0.2 -0.333333333 -0.2 -0.416666667
＞7.50～10.0 -0.142857143 -0.25 -0.142857143 -0.25 -0.285714286 -0.375
>10.0~13.0 -0.142857143 -0.25 -0.142857143 -0.25 -0.285714286 -0.375

III. GB3280-2007 Cold Rolled Stainless Steel Plate and Strip

Allowable thickness deviation for steel plate and steel strip:

Nominal Thickness Nominal width
≤1000 ≥1000~1≤300 ≥1300~≤2100
≥0.3-0.5 ±0.04 ±0.45 –
≥0.5-0.6 ±0.045 ±0.05 –
≥0.6-0.8 ±0.05 ±0.055 –
≥0.8-1.00 ±0.040 ±0.045
≥1.00-1.20 ±0.055 ±0.06 ±0.065
≥1.20-1.50 ±0.07 ±0.08 ±0.09
≥1.50-2.00 ±0.08 ±0.09 ±0.10
≥2.00-2.50 ±0.09 ±0.10 ±0.11
≥25.0-3.00 ±0.11 ±0.12 ±0.12
≥3.00-4.00 ±0.13 ±0.14 ±0.14
≥4.00-5.00 ±0.14 ±0.15 ±0.15
≥5.00-6.50 ±0.15 ±0.16 ±0.16
≥6.50-8.00 ±0.16 ±0.17 ±0.17

4. The steel currently purchased follows the GB3280-92 standard

GB3280-1992 Cold Rolled Stainless Steel Plate and Steel Strip

Nominal Thickness Nominal width
A-level accuracy B-level accuracy
≤1500 >1500~≤2000 ≤1500 >1500~≤2000
>0.2~0.5 ±0.04 – ±0.05 –
>0.5~0.65 ±0.05 – ±0.06 –
>0.65~0.90 ±0.06 – ±0.07 –
>0.90~1.10 ±0.07 ±0.09 ±0.09 ±0.11
>1.10~1.20 ±0.09 ±0.10 ±0.10 ±0.12
> 1.20 ~ 1.40 ±0.10 ±0.12 ±0.11 ±0.14
>1.40~1.50 ±0.11 ±0.13 ±0.12 ±0.15
>1.50~1.80 ±0.12 ±0.14 ±0.14 ±0.16
>1.80~2.00 ±0.13 ±0.15 ±0.15 ±0.17
> 2.00 ~ 2.50 ±0.14 ±0.17 ±0.16 ±0.18
>2.50~3.00 ±0.16 ±0.19 ±0.18 ±0.20
>3.00~3.50 ±0.18 ±0.20 ±0.20 ±0.21
>3.50~4.00 ±0.19 ±0.21 ±0.22 ±0.24
> 4.00 ~ 5.00 ±0.20 ±0.22 ±0.23 ±0.25

V. Thickness Tolerance for Japanese Hot Rolled Stainless Steel SUS JIS G4304-2005

Unit: Millimeters

Nominal Thickness Steel plate width
1000~1250 1250~1600 1600~2000 2000 ~ 2500
2~2.5 ±0.25 ±0.30 – –
2.5~3.15 ±0.30 ±0.35 ±0.40 –
3.15~4.0 ±0.35 ±0.40 ±0.45 –
4.0~5.0 ±0.40 ±0.45 ±0.50 ±0.60
5.0~6.0 ±0.50 ±0.55 ±0.60 ±0.70
6.0~8.0 ±0.60 ±0.65 ±0.65 ±0.75
8.0~10.0 ±0.65 ±0.65 ±0.65 ±0.80
10.0~16.0 ±0.70 ±0.70 ±0.70 ±0.85
16.0~25.0 ±0.80 ±0.80 ±0.80 ±0.95
25.0~40.0 ±0.90 ±0.90 ±0.90 ±1.10
40.0~63.0 ±1.0 ±1.0 ±1.20 ±1.20
63.0~100 ±1.10 ±1.20 ±1.30 ±1.30
100~160 ±1.30 ±1.30 ±1.40 ±1.40
160~200 ±1.60 ±1.60 ±1.70 ±1.70

SAW. Thickness Tolerance for Cold Rolled Stainless Steel Japanese SUS JIS G4305-2005

Unit: Millimeters

Nominal Thickness Steel plate width
~1250 1250~1600
0.16~0.25 ±0.03 –
0.25~0.30 ±0.04 –
0.30~0.60 ±0.05 ±0.08
0.60~0.80 ±0.07 ±0.09
0.80~1.00 ±0.09 ±0.10
1.00~1.25 ±0.10 ±0.12
1.25~1.60 ±0.12 ±0.15
1.60~2.00 ±0.15 ±0.17
2.00 ~ 2.50 ±0.17 ±0.20
2.50~3.15 ±0.22 ±0.25
3.15~4.00 ±025 ±0.30
4:00~5:00 ±0.35 ±0.40
5:00 ~ 6:00 ±0.40 ±0.45
6:00 ~ 8:00 ±0.50 ±0.50
8:00 ~ 10:00 ±0.60 ±0.60
10am~4pm ±0.70 ±0.70
16.0~25.0 ±0.80 ±0.80

VII. US ASTM A240 A480 Steel Plate Thickness Tolerance

1. Allowable Thickness Deviation for ASTM A480 Hot Rolled Wide Coil and Cut-to-Length Plate

Thickness
A,in.(mm)		 Allowable deviation, for specified width （w）,±，in.(mm)
w≤60(1525) w>60(1525)
0.072(1.83) 0.006(0.15) 0.009(0.22)
>0.072(1.83)-0.083(2.11) 0.007(0.18) 0.010(0.25)
>0.083(2.11)-0.098(2.49) 0.008(0.20) 0.011(0.27)
>0.098(2.49)-0.114(2.90) 0.009(0.23) 0.012(0.30)
>0.114(2.90)-0.130(3.30) 0.011(0.27) 0.013(0.33)
>0.130(3.30)-0.145(3.68) 0.012(0.30) 0.013(0.33)
>0.145(3.68)-0.1875(4.76) 0.013(0.33) 0.014(0.35)
>0.1875(4.76)-0.250(6.35) -0.010(0.25),+0.020(0.50) -0.010(0.25),+0.020(0.50)
>0.250(6.35)-0.3125(7.94) -0.010(0.25),+0.022(0.55) -0.010(0.25),+0.022(0.55)
>0.3125(7.94) -0.010(0.25),+0.030(0.75) -0.010(0.25),+0.030(0.75)
The thickness of a thin board is measured no less than 3/8 inch (9.52 mm) from the edge.

2. Allowable Thickness Deviation for ASTM A480 Cold Rolled Wide Coil and Cut-to-Length Plate

Thickness
A、B，in.(mm)		 Allowable deviation, for specified width （w）,±，in.(mm)
W≤40(1000) 40(1000)＜w≤50(1300) 50(1300)＜w≤84(2100)
0.012(0.30) 0.001(0.030) – –
0.016(0.40) 0.0015(0.04) 0.0015(0.04) –
0.020(0.50) 0.0015(0.04) 0.0015(0.04) –
0.024(0.60) 0.002(0.05) 0.002(0.05) –
0.032(0.80) 0.002(0.05) 0.002(0.05) –
0.040(1.00) 0.0025(0.06) 0.0025(0.06) 0.003(0.08)
0.047(1.20) 0.003(0.08) 0.003(0.08) 0.003(0.08)
0.059(1.50) 0.003(0.08) 0.003(0.08) 0.004(0.10)
0.079(2.00) 0.004(0.10) 0.004(0.10) 0.0045(0.11)
0.098(2.50) 0.004(0.10) 0.004(0.10) 0.005(0.13)
0.118(3.00) 0.005(0.13) 0.005(0.13) 0.006(0.15)
0.157(4.00) 0.007(0.17) 0.007(0.17) 0.007(0.17)
0.197(5.00) 0.007(0.17) 0.007(0.17) 0.0075(0.19)
0.236(6.00) 0.007(0.17) 0.008(0.20) 0.009(0.23)
0.3125(8.00) 0.007(0.17) 0.009(0.23) 0.010(0.25)
The thickness of a thin board is measured at a point not less than 3/8 inch (9.52 mm) from the edge.
B When outside the specified thickness, the deviation from the next thickest size is used.

3. Thickness Deviation Allowed for Hot Rolled Medium Plate ASTM A480 A, B

Thickness

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