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I just bought one for $40.
They are 4130 miles (approx. value) away from each other. Note that this is a straight distance between the two places. The actual distance may vary according to the flight path or road/sea route chosen.
1 hr = 3600 secso, 4130 sec/3600 = 1.1472 hours
4130
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0.0012
The Bold and the Beautiful - 1987 1-4130 was released on: USA: 15 September 2003
4130 usually means the frame is Chromolly 4130 and the manufacturer tagged the bike with it. You will more likely find them on BMX bikes and specifically old school or higher priced than your typical cheap store bikes made of steel.
AISI 4130 steel, also known as B.S CDS 110 steel, melts at between 1370 and 1400oC.
631 and 4130 are similar density, but 631 is stronger. So theoretically you could build equal strength with a thinner guage tube using 631. I think the FactionBMX company uses 631 tubing to achieve a lighter frestyle bike than its smaller-sized 4130 competitors.
4130 chromoly
There are too many to list. For example wrought low alloy steel like 4130, or 1/2 hard stainless 301 all exceed that value