Cold drawn rolled bearing steel in bars
Purpose
Characteristics
Packaging and labeling
Packaging
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Delivery status |
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Charted rolled products |
Annealed rolled products |
Packaging |
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The full annealing |
A spheroid. annealing |
Without conservation |
With conservation |
Soft without preservation |
Soft with preservation |
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+ |
+ |
+ |
+ |
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Specifications
Technical parameters of the rolled products
|
Ø rolled, mm |
Bar length, m |
Length tolerance, mm |
Bundle weight, t |
|
8 ÷ 34 |
2,5 ÷ 6,5 |
-0,0/+50,0 or |
1 ÷ 5 |
Precision quality and surface quality
|
Accuracy of rolled products (quality) |
Surface quality group |
|
h10; h11; h12 |
C |
Limit deviations
|
Diameter, mm |
Maximum deviations, mm |
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h9 |
h10 |
h11 |
h12 |
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up to 3,0 |
-0,025 |
-0,040 |
-0,060 |
-0,100 |
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3,1 - 6,0 |
-0,030 |
-0,048 |
-0,075 |
-0,120 |
|
6,1 - 10,0 |
-0,036 |
-0,058 |
-0,090 |
-0,150 |
|
10,2 - 18,0 |
-0,043 |
-0,070 |
-0,110 |
-0,180 |
|
18,5 - 30,0 |
-0,052 |
-0,084 |
-0,130 |
-0,210 |
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31,0 - 50,0 |
-0,062 |
-0,100 |
-0,160 |
-0,250 |
Rolled surface quality
|
Surface quality group |
Quality |
Permissible surface defects |
The greatest depth of occurrence of defects |
|
A |
h9 |
Individual minor risks of mechanical origin |
It is established by the agreement of the manufacturer with the consumer |
|
h10 |
½ of the limit deviations |
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B |
h10 |
Some minor risks of mechanical origin, scale residues, prints, ripples, gentle stripping, traces of abrasive stripping |
Limit deviations |
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h11 |
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h12 |
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C |
h10 |
Individual minor risks of mechanical origin, scale residues, prints, ripples, gentle stripping, traces of abrasive stripping, individual small rolled and uninhibited bubbles and dirt (hairs) |
Marginal deviations |
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h11 |
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C |
h12 |
Individual minor risks of mechanical origin, scale residues, prints, ripples, gentle stripping, traces of abrasive stripping, individual small rolled and uninhibited bubbles and dirt (hairs) |
Marginal deviations for the h12 quality |
|
Limit deviations for the h11 quality |
You can find all the information about our products in the uploaded catalogue. There you may become acquainted with detailed information on each product field, technical specifics of every product and our reference projects. If you cannot find your product of interest, do not hesitate to contact us and we will do our best to meet your requirements.
Product catalog
Certificates and documents
How to buy?
Information for clients
