ASTM A572 GR50/60 Spiral Welded Pipe is a High-Strength Low-Alloy (HSLA) steel, which is microalloyed with elements such as niobium, vanadium, or titanium. The addition of these alloying elements enhances the strength and durability of the steel without significantly increasing its weight. As a result, this material is commonly used in applications where high strength is required while weight remains a critical factor.
Specification
Size : OD:219-3500mm WT:1.65-40mm, Length: 6mtr-20mtr
Standard & Grade ASTM A572 Grades 42, 50, 55,60,65
Ends:Square Ends/Plain Ends (straight cut, saw cut, torch cut), Beveled/Threaded Ends
Coating: 3PE Coating;3PP Coating;FBE Coating;Epoxy Coating;Special Painting
Chemical Composition
|
Type A |
Elements |
Heat Analysis, % |
|
1 |
Columbium |
0.005-0.05B |
|
2 |
Vanadium |
0.01-0.15C |
|
3 |
Columbium |
0.005-0.05B |
|
4 |
Vandadium |
0.01-0.15C |
|
5 |
Columbium plus vanadium |
0.02-0.15D |
|
6 |
Titanium |
0.006-0.04 |
|
7 |
Nitrogen |
0.003-0.015 |
|
8 |
Vanadium |
0.06 max |
Mechanical Properties
|
Grade |
Yield Point, min |
Tensile Strenth, min |
Minimum Elongation, % B,C,D |
|||
|
kis |
[MPa] |
ksi |
[MPa] |
in 8 in[200 mm] |
in 2 in[200 mm] |
|
|
42 [290] |
42 |
[290] |
60 |
[415] |
20 |
24 |
|
50 [345] |
50 |
[345] |
65 |
[450] |
18 |
21 |
|
55 [380] |
55 |
[380] |
70 |
[485] |
17 |
20 |
|
60 [415] |
60 |
[415] |
75 |
[520] |
16 |
18 |
|
65 [450] |
65 |
[450] |
80 |
[550] |
15 |
17 |
Specifications Of SSAW Steel Pipe
