Welding case hardened steel

[mike os]

Unfortunately battrey powered grinders changed the rules..., even proper locks etc are vunerable now,,

Only locks that last more than a minute are Chubb hercules locks but that's really only because of the amount of metal in them

 

[Hopefuldave]

Unfortunately battrey powered grinders changed the rules..., even proper locks etc are vunerable now,,

Only locks that last more than a minute are Chubb hercules locks but that's really only because of the amount of metal in them

Which is why container yards put fairly hefty steel boxes around the locks that prevent angle grinders getting to the lock...

Dave H. (the oher one)

 

[mike os]

Which is why container yards put fairly they don't take much more effort, 5 minutes maybes.teel boxes around the locks that prevent angle grinders getting to the lock...

Dave H. (the oher one)

Theu take another couple of minutes and disks ....

 

[TechnicAl]

i want to select an Mig/Mag wire for DIN 1.6566 that it is a kind of case hardening steel.Would you tell me suitable GMAW wire code for welding this material?

I dont think theres a matching consumable available, so youve got a choice to make. You could use mild steel to weld it and then cap off with a hardfacing wire.........or you could try 1CrMo or 2CrMo.......but it might crack......It depends on the thickness / stiffness and what the application is....I dont know any of that.

PS I am assuming you are joining it through thickness........a weld on the surface would be a different consideration

 

[brightspark]

Which is why container yards put fairly hefty steel boxes around the locks that prevent angle grinders getting to the lock...

Dave H. (the oher one)

so they just cut the hinges off and pull the door open from the side

 

[wyn]

A lot of containers now have "tabs" welded to the inside hinge part of the door.
If the hinges are cut it won't pull open.

 

[pedrobedro]

They don't want to spend any time getting in. Anything that slows the job down is a good thing. A box over the locks and frame pins so they will not pull out from the hinge side are going to make thieves think twice.

 

[8ob]

I have seen a few clever ideas for securing shipping container doors. One was a double skin lock box that was filled with ball bearings, not big enough for an angle grinder to get at the lock and tough enough with the double skin and bearings to destroy a thin disc. Another was just 30mm solid bars pushed through the side of the container, there were tubes on the inside of the door for them to slide into, despite several unsuccessful attempts by the great unwashed to get in no one ever bothered to look at the side of the container for the bars.

Bob

 

[Brad93]

Mild steel box section won’t really lend itself to case gardening unless you add a tonne of carbon to the mix

 

[Brad93]

I have seen a few clever ideas for securing shipping container doors. One was a double skin lock box that was filled with ball bearings, not big enough for an angle grinder to get at the lock and tough enough with the double skin and bearings to destroy a thin disc. Another was just 30mm solid bars pushed through the side of the container, there were tubes on the inside of the door for them to slide into, despite several unsuccessful attempts by the great unwashed to get in no one ever bothered to look at the side of the container for the bars.

Bob

Love that idea

 

[Seadog]

Another was just 30mm solid bars pushed through the side of the container, there were tubes on the inside of the door for them to slide into, despite several unsuccessful attempts by the great unwashed to get in no one ever bothered to look at the side of the container for the bars.

A small clay club that I go to adopted this method after having the traps stolen on a couple of occasions.