The difference in thickness is not by the ASTM grade, but rather by the term "Schedule" - as in Schedule's 10, 40, and 80 - with schedule 10 having the lighest wall thickness, and schedule 80 having the thickest.
what is the standard procedure as per ASTM or ISO for the calibration of profile projector
-melting/freezing point -boiling point -density -reactivity with acid -flammability -solubility
One of the alloys of leaded brass. Perhaps covered by ASTM B453 or similar. Note that there is no chemical compound CuZnPb3 as was asked. The description is of an alloy, or a combination of metals.
It is called the Periodic Table of Elements.
Cr. is 11.5% to 13%
ASTM D75 is the ASTM that covers the sampling of aggregates.
no
The ASTM equivalent of DIN 1543 is ASTM A572. Both of these materials are a type of carbon steel.
ASTM B187 and ASTM B152 copper are very similar in structure. The main difference is that ASTM B187 copper is temper H04 and is hard, and ASTM B152 copper is cold rolled and hot rolled.
Astm a36. Its rot rolled steel with nearly matching with astm a36.
Astm a-36
Astm 50
Basically there is no difference as pipe is ussually stenciled with both standards.
You can buy a copy of ASTM D143 from www.astm.org.
Astm d 3616
ASTM International was created in 1898.