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french to aisi equivalent

french to aisi equivalent

french to aisi equivalent

Please , I need to know which aisi steel is a DC04 as the french norme  EN 10-130.

It seem to be some near the aisi 1010 , used to make Rivets.

Thanks in advance.


RE: french to aisi equivalent

The chemical composition of DC04 is closer to SAE 1006 than SAE 1010.  For the exact limits of SAE carbon steel grades, you should refer to the standard SAE J403.  AISI no longer maintains steel chemical composition specifications.

EN 10130 is a European standard for cold-rolled sheet.  A similar U.S. standard is ASTM A 620 (metric version is ASTM A 620M), entitled Standard Specification for Drawing Steel (DS), Sheet, Carbon, Cold-Rolled.  The specific grade you mentioned, DC04, is a fully-killed grade, as are the grades specified in ASTM A 620.  However, the mechanical property requirements, as well as the aging requirements, of EN 10130 are not the same as those in ASTM A 620.  

As is typical for the U.S. steel industry, guaranteed mechanical properties for low carbon steel sheet are not required in the ASTM specification.  Another industry standard to consider is SAE J2329, Categorization and Properties of Low Carbon Automotive Sheet Steels.  Grade 4 is the equivalent grade to DC04.  SAE J126, Selecting and Specifying Hot and Cold Rolled Steel Sheet and Strip is a good reference for more details.

RE: french to aisi equivalent


Yours tips are useful to me, the only thing I wonder is:
Why spec a sheet cold rolled steel to make rivets?

Thanks again


RE: french to aisi equivalent


That is an excellent question, for which I do not necesarily have a good answer.  First, what type of rivet is it?  Solid?  Semi-tubular?  Or a multi-piece, break-mandrel type?  If it either solid or semi-tubular, then it makes absolutely no sense at all to specify a cold-rolled sheet standard for the material.  However, if it is a break-mandrel type rivet, perhaps the body of the rivet is to be made from the DC04 grade of steel, while the mandrel portion is fabricated from a suitable wire material.

For your information, rivets, like most mechanical fasteners, are usually specified according to the required mechanical properties, and not to a specific chemical composition.  Perhaps if you provide additional details on your application, I may be able to help you further.

RE: french to aisi equivalent

Thanks for your help

this rivets are to be used at diferent task,  on auto clutches.
ones are solid 5 mm to join a 3mm sae 1010, the carcase, with 3 x 0.8 sae 1070 plate spring, tensors, and this tensor to the press plate.
Others are used to balance the carcases, solid 5 mm with a head of diferentes weigth, diametre 10 mm
And hollow 9,5 mm to join friction pads to the friction disk
One of the principal features are that after zinc electroplated , and  before reveting, the coat shall last the riveting stroke.



RE: french to aisi equivalent


The following are my recommendations regarding rivets:

1. Understand the forces that will be imposed on the rivets during assembly and during actual use in the clutch.  In order to properly specify the size, material, strength, etc., you need to know this.

2. You should become familiar with some rivet specifications.  Mechanical fasteners like bolts, nuts, and rivets should be specified according to a product standard, which then also includes a material specification.  Tubing is another product form that should be ordered this way.  The product standards include a great deal of important information regarding dimensions/tolerances, mechanical property requirements, quality control methods, etc.  Some relevant rivet specs to consider are:

DIN 7338 Rivets for brake linings and clutch linings
DIN 101 Rivets, Technical delivery conditions
JIS B 1213 Cold Headed Rivets
JIS B 1215 Semi-Tubular Rivets
ANSI/ASME B18.1.3M Metric Small Solid Rivets
ANSI/ASME B18.7.1M Metric General Purpose Semi-Tubular Rivets

3. Underhead fillet-- this is very important, as it influences the failure mode of the rivet.  Any type of structural rivet should be formed (headed) not machined, but either process can produce rivets with too small an underhead fillet, which can cause premature failure.  The DIN and JIS specs require an impact-type test to qualify the rivets, but the ANSI specs do not.  GM4473P is an automotive spec for rivet ductility.

4. Most solid or semi-tubular rivets are cold formed from low-carbon, unalloyed steel wire.  SAE grades like 1008, 1010, and 1020 are all used, depending on the ductility required for forming the part, and the strength needed in the final assembly.  I suggest working with a company like Textron Fastening Systems when purchasing any type of fastener.  They are not just a manufacturer-- they have a great deal of expertise in design, assembly strategies, and quality control.

I hope this was helpful, and good luck with your application.

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