DIN 2440 & DIN 2441. Steel Tubes; Medium-Weight Suitable for Screwing & Heavy-Weight Suitable for Screwing
Hot-formed | Welded Pipes>>
Nominal Diameter (ND): 6, 8, 10, 15, 20, 25, 32, 40, 50, 65, 80, 100, 125 mm
(1/8, 1/4, 3/8, 1/2, 3/4, 1, 1 1/4, 1 1/2, 2, 2 1/2, 3, 4, 5 inch)
Outside Diameter (OD): 10,2 - 139,7 mm
Wall Thickness: DIN 2440: 2 - 4,6 mm; DIN 2441: 2,65 - 5,40 mm
Notes:
- Steel Grade - St 33
- Length up to 9 m.
- "Black" pipes (without thread).
- ND 6 - 20 mm pipes are cold-formed, and ND 25 - 125 mm - hot-formed.
- Mechanical properties according to DIN 17100.
- Test certificates according to DIN EN 10204.
|
| Sizes |
ND |
Outside Diameter, mm |
OD Tolerances, mm |
Wall Thickness, mm (±12,5%) |
inch |
mm |
DIN 2440 |
DIN 2441 |
1/8 |
6 |
10,2 |
+ 0,4; - 0,4 |
2,00 |
2,65 |
1/4 |
8 |
13,5 |
+ 0,5; - 0,3 |
2,35 |
2,90 |
3/8 |
10 |
17,2 |
+ 0,5; - 0,3 |
2,35 |
2,90 |
1/2 |
15 |
21,3 |
+ 0,5; - 0,3 |
2,65 |
3,25 |
3/4 |
20 |
26,9 |
+ 0,4; - 0,4 |
2,65 |
3,25 |
1 |
25 |
33,7 |
+ 0,5; - 0,4 |
3,25 |
4,05 |
1 1/4 |
32 |
42,4 |
+ 0,5; - 0,4 |
3,25 |
4,05 |
1 1/2 |
40 |
48,3 |
+ 0,5; - 0,4 |
3,25 |
4,05 |
2 |
50 |
60,3 |
+ 0,5; - 0,4 |
3,65 |
4,05 |
2 1/2 |
65 |
76,1 |
+ 0,5; - 0,8 |
3,65 |
4,50 |
3 |
80 |
88,9 |
+ 0,6; - 0,9 |
4,05 |
4,85 |
4 |
100 |
114,3 |
+ 0,7; - 1,2 |
4,50 |
5,40 |
5 |
125 |
139,7 |
+ 1,1; - 1,2 |
|
5,40 |
| Mechanical properties |
Steel Grade |
Tensile Strength, N/mm2 (min) |
Yield Strength, N/mm2 (min) |
Elongation, % (min) |
St 33 |
|
185 |
18 |
| Chemical Composition (%, max) |
Steel Grade |
C |
Si |
Mn |
Cr |
Ni |
Mo |
St 33 |
It is not normalized |
DIN 2440 & DIN2441. Steel Tubes; Medium-Weight Suitable for Screwing & Heavy-Weight Suitable for Screwing
Welded Pipes
Nominal Diameter: 10, 15, 20, 25, 32, 40, 50, 65, 80, 100 mm
(3/8, 1/2, 3/4, 1, 1 1/4, 1 1/2, 2, 2 1/2, 3, 4 inch)
Outside Diameter: 17,2 - 114,3 mm
Wall Thickness: DIN 2440: 2,35 - 4,50 mm; DIN 2441: 4,50; 4,85 mm
Notes:
- Steel Grade - St 33
- Length up to 9 m
- "Black" pipes
- Mechanical properties and chemical composition - as for hot-formed pipes
|
| Sizes |
ND |
Outside Diameter, mm |
Wall Thickness, mm |
inch |
mm |
DIN 2440 |
DIN 2441 |
3/8 |
10 |
17,2 |
2,35 |
- |
1/2 |
15 |
21,3 |
2,65 |
- |
3/4 |
20 |
26,9 |
2,65 |
- |
1 |
25 |
33,7 |
3,25 |
- |
1 1/4 |
32 |
42,4 |
3,25 |
- |
1 1/2 |
40 |
48,3 |
3,25 |
- |
2 |
50 |
60,3 |
3,65 |
- |
2 1/2 |
65 |
76,1 |
3,65 |
4,50 |
3 |
80 |
88,9 |
4,05 |
4,85 |
4 |
100 |
114,3 |
4,50 |
- |
|
|
