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ERW Fire Sprinkler Pipe Supplier ASTM A852 ERW Steel Pipe

ERW Fire Sprinkler Pipe Supplier ASTM A852 ERW Steel Pipe

ERW Fire Sprinkler Pipe Supplier ASTM A852 ERW Steel Pipe
ERW Fire Sprinkler Pipe Supplier ASTM A852 ERW Steel PipeERW Fire Sprinkler Pipe Supplier ASTM A852 ERW Steel PipeERW Fire Sprinkler Pipe Supplier ASTM A852 ERW Steel PipeERW Fire Sprinkler Pipe Supplier ASTM A852 ERW Steel PipeERW Fire Sprinkler Pipe Supplier ASTM A852 ERW Steel Pipe
CategoriesERW Firefighting Pipe
BrandBAOLAI Steel Pipe Wholesale Manufacturer
Model1/2" - 14" ( DN15 - DN350)
Thickness2.77 - 19.05 mm
Length5.8-12M
StandardASTM A852
SurfaceThe surface finished can be specified by customers
EndsPlain, Bevel, Threaded or Groove
UsageWet, preaction,deluge or dry pipe sprinkler system
CertificationUL/ FM/ API/ CE/ ISO
FOB portTianjin port
Terms of PaymentL/C, D/A, D/P, T/T
Update Time2022/9/25
Detail Information
Fire Pipe
Fire Pipe (Fire fighting pipe) is a type of normal carbon steel pipe used to convey fire suppression agent such as water or gas. Usually it is red in color. But light-wall pipes have a galvanized exterior of a silvery appearance. Installation of red steel pipe is limited to wet pipe sprinkler systems only.(ERW & Seamless)
Surface Treatment
Selmers manufactures pipe coating solutions for various types of coatings, mainly for anti-corrosion, mechanical protection
Painted Fire Sprinkler Pipe
Advantages:
Flexibility and ease of operation
Sufficient opportunities to incorporate future plant expansion
Easy plant foundation
Quick changeover times to other diameters
Colour Choose:
  • RED
  • BLUE
  • GREEN
  • BLACK
  • Et
Galavanized Firefighting Pipe
Advantages:
Flexibility and ease of operation
Sufficient opportunities to incorporate future plant expansion
Easy plant foundation
Quick changeover times to other diameters
Continuous coating results
Colour Choose:
  • SILVER
Epory Powder
Advantages:
Flexibility and ease of operation
Sufficient opportunities to incorporate future plant expansion
Easy plant foundation
Quick changeover times to other diameters
Colour Choose:
  • RED
  • BLUE
  • GREEN
  • BLACK
  • Et
Specification
ASTM A852 Welded Standard Steel Pipe
ASTM A852 ERW steel pipe is formed by rolling strip and welding the seam, with precise dimension and light weight. It can be used for sprinkler fire system.
Available size for A852 ERW pipe
Size
OD 
Tolerance
THK
Tolerance
Remark
NPS
DN
OD(mm)
mm
SCH40(mm)
SCH80(mm)
1. For pipe ≤ NPS 1-1/2", OD tolerance is ±0.4mm.

2. For pipe ≥ NPS 2", OD tolerance is ± 1%.

3. The min THK at any point is not more than 12.5%.

4. The max THK is not defined in ASTM A795, and BaoLai refers to ASTM A530  with 20%, 22.5% or 15% as t/D ratio.
1/2"
15
21.3
20.9~21.7
2.42~3.32
3.26 ~ 4.48
3/4"
20
26.7
26.3~27.1
2.51~3.44
3.42 ~ 4.69
1"
25
33.4
33.0~33.8
2.96~4.06
3.98 ~ 5.46
1-1/4"
32
42.2
41.8~42.6
3.12~4.27
4.24 ~ 5.82
1-1/2"
40
48.3
47.9~48.7
3.22~4.42
4.45 ~ 6.10
2"
50
60.3
59.7~60.9
3.42~4.69
4.85 ~ 6.65
2-1/2"
65
73
72.3~73.7
4.52~6.19
6.13 ~ 8.41
3"
80
88.9
88.0~89.8
4.80~6.31
6.67 ~ 8.76
4"
100
114.3
113.2~115.4
5.27~7.37
7.49 ~ 9.84
5"
125
141.3
139.9~142.7
5.73~8.02
8.34 ~ 10.96
6"
150
168.3
166.6~170.0
6.22~8.71
9.80 ~ 12.62
8"
200
219.1
216.9~221.3
6.16~8.62
11.11 ~ 14.61
10"
250
273.1
270.4~275.8
6.83~9.56
13.20 ~ 17.35
12"
300
323.8
320.6 ~ 327.0
9.02 ~ 12.63
15.30 ~ 21.41
14"
350
355.6
352.0 ~359.2
9.74 ~13.63
16.67 ~ 23.34
Application






Case
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