Paramtents
Technic Standard ASTM A53 , ASTM A795
Pipe Length 5.8m, 6m, 6.4m, 7.3m, 19ft, 20ft, 21ft, 24ft
Other surface finished painted red color RAL3000 , Galvanized and then painted red color, black color painted, epoxy coated, anti-rust oiled , or bare no surface treatment
About surface finished the surface finished can be specified by customers
Packging & Delivery
Min Order25 ton
Briefing
Detailed
Commodity
|
Fire sprinkler ERW carbon steel pipes |
|
Usage | construction, building material, fire sprinkler steel pipeline | |
Size
|
1/2''-8'' (round hollow)
|
|
Wall thickness | 1.3mm-10mm | |
Length | 5.8m, 6m or cut into other length according to PI | |
Certificates international standard | ISO 9000-2001, UL certificate | |
Standards | ASTM A795, ASTM A53, GB/T3091, etc | |
Technique
|
Welded
|
|
Surface | Galvanized or Painted to prevent the rust | |
Pipe ends | Plain or threaded with sockets/coupling and plastic cap or grooved with caps | |
Packing
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In bundles, or request.
|
|
Marking | As requested in PI, for example "UL LISTED YOUFA SCH10 / SCH40" |
NPS | DN | Outer Diameter(mm) | Schedule 10 | Schedule 40 | ||||
Wall Thickness (mm) |
Unit Weight (kg/m) | Test Pressure (kpa) | Wall Thickness
(mm) | Unit Weight
(kg/m) | Test Pressure (kpa) | |||
1/2"
|
15
|
21.3 |
-
|
- | - | 2.77 | 1.27 | 4800 |
3/4"
|
20
|
26.7 | 2.11 |
1.28 | 4800 | 2.87 | 1.69 | 4800 |
1" | 25 | 33.4 | 2.77 | 2.09 | 4800 | 3.38 | 2.50 | 4800 |
1-1/4" | 32 | 42.2 | 2.77 | 2.69 | 6900 | 3.56 | 3.39 | 6900 |
1-1/2" | 40 | 48.3 | 2.77 | 3.11 | 6900 | 3.68 | 4.05 | 6900 |
2" | 50 | 60.3 | 2.77 | 3.93 | 6900 | 3.91 | 5.45 | 6900 |
2-1/2" | 65 | 73 | 3.05 | 5.26 | 6900 | 5.16 | 8.64 | 6900 |
3" | 80 | 88.9 | 3.05 | 6.46 | 6900 | 5.49 | 11.29 | 6900 |
4" | 100 | 114.3 | 3.05 | 8.37 | 8300 | 6.02 | 16.09 | 8300 |
5" | 125 | 141.3 | 3.40 | 11.58 | 8300 | 6.55 | 21.79 | 8300 |
6" | 150 | 168.3 | 3.40 | 13.85 | 6900 | 7.11 | 28.29 | 8300 |
8" | 200 | 219.1 | 4.78 | 25.26 | 5500 | sch30 7.04 | 36.82 | 8300 |
10" | 250 | 273.1 | 4.78 | 31.62 | 4800 | sch30 7.8 | 51.05 | 6900 |
Pls don't hesitate to contact us if you need other sizes. |
Chemical Composition |
for Type E (electric-resistance-welded pipe)
|
|||
C, Max, %
|
Mn, Max, % |
P, Max, %
|
S, Max, %
|
|
Grade A
|
0.25
|
0.95 |
0.035
|
0.035
|
Grade B
|
0.30
|
1.20 |
0.035
|
0.035
|
Mechanical Properties |
for thickness sch10 and sch40
|
||
Tensile strength, min [MPa]
|
Yield strength, min [MPa]
|
Elongation, min, %
|
|
Grade A
|
330
|
205
|
24
|
Grade B
|
415
|
240
|
24
|
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