Hello guys I will show how create a 3dsmax 3d big pipe model tutorial.
I have used following techniques shown below in this 3ds max tutorial.
[1]-Click on the Cylinder button and create cylinder with the following size
Place like me 
[2]-Create four more cylinders and place like me 
[3]-Create NGon with the following size and apply the extrude modifier with the amount of 8.5 
[4]-Place the NGon like me 
[5]-Similarly create other NGon as using above setting now place like me 
[6]-This is my material plaette and create materials like me 
[7]-Set the skylight like this with the following parameter 
[13]-This is the final big pipe image are you looking for it 