Our Product.

Free Cutting

Cold Finished Dimention Tolerance

State H6 H7 H8 H9 H10 H11 H12
Cold Drawn R R R,S,H R,S,H
Peeling R R R R
Grinding R R R R R R R
Bright R R R R R R R

 

Tolerance Classes

State H6 H7 H8 H9 H10 H11 H12
1 – 3 0.006 0.010 0.014 0.025 0.040 0.060 0.100
3 – 6 0.008 0.012 0.018 0.030 0.048 0.075 0.120
6 – 8 0.009 0.015 0.022 0.036 0.058 0.090 0.150
10 -18 0.011 0.018 0.027 0.043 0.070 0.110 0.180
18 – 30 0.013 0.021 0.033 0.052 0.084 0.130 0.210
30 – 50 0.016 0.025 0.039 0.062 0.0100 0.160 0.250
50 – 80 0.019 0.030 0.046 0.074 0.0120 0.190 0.300
80 – 120 0.022 0.035 0.054 0.087 0.140 0.220 0.350
120 – 180 0.025 0.040 0.063 0.0100 0.160 0.250 0.400
1280 – 200 0.029 0.046 0.072 0.0115 0.185 0.290 0.460

 

Typical steel grades (mostly per EN 10087)

    C Si Mn P S Pb
Name Material No. % % % % % %
11SMn30 1.0715 max. 0.14 max. 0.05 0.90-1.30 max. 0.11 0.27-0.33 -
11SMnPb30 1.0718 max. 0.14 max. 0.05 0.90-1.30 max. 0.11 0.27-0.33 0.20.35
11SMn37 1.0736 max. 0.14 max. 0.05 1.00-1.50 max. 0.11 0.34-0.40 -
11SMnPb37 1.0373 max. 0.14 max. 0.05 1.00-1.50 max. 0.11 0.34-0.40 0.20-0.35
SAE1215 1.9704 max. 0.05 - 0.75-1.05 0.04-0.05 0.26-0.35 -
SAE12L14 1.0718 max. 0.15 - 0.85-1.15 0.04-0.05 0.26-0.35 0.15-0.35
C10Pb - 0.06-0.12 max. 0.04 0.25-0.50 max. 0.045 max. 0.045 0.15-0.30
10S20 1.0721 0.07-0.13 max. 0.04 0.70-1.10 max. 0.06 0.15-0.25 -
10S20Pb 1.0722 0.07-0.13 max. 0.04 0.70-1.10 max. 0.06 0.15-0.25 0.20-0.35
16MnCrS5Pb - 0.14-0.15 max. 0.04 1.00-1.30 max. 0.025 max. 0.035 0.20-0.35
35S20 1.0726 0.32-0.39 max. 0.04 0.70-1.10 max. 0.06 0.15-0.25 -
35SPb20 1.0756 0.32-0.39 max. 0.04 0.70-1.10 max. 0.06 0.15-0.25 0.15-0.25
36SMn14 1.0764 0.32-0.39 max. 0.04 1.30-1.70 max. 0.06 0.10-0.18 -
36SMnPb14 1.0765 0.32-0.39 max. 0.04 1.30-1.70 max. 0.06 0.10-0.18 0.15-0.25
38SMn28 1.0760 0.35-0.40 max. 0.04 1.20-1.50 max. 0.06 0.24-0.33 -
38SMnPb28 1.0761 0.35-0.40 max. 0.04 1.20-1.50 max. 0.06 0.24-0.33 0.15-0.25
44SMn28 1.0762 0.40-0.48 max. 0.04 1.30-1.70 max. 0.06 0.24-0.33 -
44SMn2Pb28 1.0763 0.40-0.48 max. 0.04 1.30-1.70 max. 0.06 0.24-0.33 0.15-0.25
46S20 1.0727 0.42-0.50 max. 0.04 0.70-1.10 max. 0.06 0.15-0.25 -
46SPb20 1.0757 0.42-0.50 max. 0.04 0.70-1.10 max. 0.06 0.15-0.25 0.15-0.30
C45Pb - 0.42-0.50 max. 0.04 0.50-0.80 max. 0.045 max. 0.045 0.15-0.30

CHEMICAL PROPERTIES(%)

Thichness Rolled and Peeled (+SH)   Cold Drawn (+C)    
mm HB / Hardness Rm / MPa Rp0.2 / MPa Rm / MPa A5 %
5 < d < 10     440 510 – 810 6
10 < d < 16 HB / Hardness Rm / MPa 410 490 – 760 7
16 < d < 40 112 – 169 380 – 570 375 460 – 710 8
40 < d < 63 112 – 169 370 – 570 305 400 – 650 9
60 < d < 100 107 -154 360 – 520 245 360- 630 9

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