TIANJIN YOUFA STEEL PIPE GROUP CO LTD.
Tianjin Youfa steel pipe group were founded on July 1st, 2000, with the headquarters location at the largest welded pipe production base in China-Daqiuzhuang Village, Tianjin city, which is a large-scale steel pipe manufacturing enterprise producing many kinds of pipe products GALVANIZED STEEL PIPE, ERW STEE LPIPE, SQUARE AND RECTANGULAR STEEL TUBE, GALVANIZED SQUARE PIPE, SPIRAL STEEL TUBES, STAINLESS STEEL PIPE, SCAFFOLDING, AND PIPE FITTINGS. have been rated as top 500 enterprises of China in the same industry,and as top 500 manufacturing of china. Youfa brand was affirmed as a China renowned brand by SAIC trademark bureau in March 2008.Product | Hot Dip Galvanized Steel Pipe |
Material | Carbon Steel |
Grade | Q195 = S195 / A53 Grade A Q235 = S235 / A53 Grade B / A500 Grade A / STK400 / SS400 / ST42.2 Q345 = S355JR / A500 Grade B Grade C |
Standard | EN39, BS1139, BS1387, EN10255,ASTM A53, ASTM A500, A36, ASTM A795,ISO65, ANSI C80, DIN2440, JIS G3444,GB/T3091, GB/T13793 |
Surface | Zinc coating 200-500g/m2 (30-70um) |
Ends | Plain ends |
with or without caps |
DN |
OD |
ASTM A53 / API 5L / ASTM A795 |
BS1387 / EN10255 |
|||||
SCH10S |
STD SCH40 |
SCH80 |
Light |
Medium |
Heavy |
|||
MM |
INCH |
MM |
MM |
MM |
MM |
MM |
MM |
|
15 |
21.3 |
1/2" |
2.11 |
2.77 |
3.73 |
2 |
2.6 |
- |
20 |
26.7 |
3/4“ |
2.11 |
2.87 |
3.91 |
2.3 |
2.6 |
3.2 |
25 |
33.4 |
1" |
2.77 |
3.38 |
4.55 |
2.6 |
3.2 |
4 |
32 |
42.2 |
1-1/4" |
2.77 |
3.56 |
4.85 |
2.6 |
3.2 |
4 |
40 |
48.3 |
1-1/2" |
2.77 |
3.68 |
5.08 |
2.9 |
3.2 |
4 |
50 |
60.3 |
2" |
2.77 |
3.91 |
5.54 |
2.9 |
3.6 |
4.5 |
65 |
73 or 76 |
2-1/2" |
3.05 |
5.16 |
7.01 |
3.2 |
3.6 |
4.5 |
80 |
88.9 |
3" |
3.05 |
5.49 |
7.62 |
3.2 |
4 |
5 |
90 |
101.6 |
3-1/2" |
3.05 |
5.74 |
8.08 |
|||
100 |
114.3 |
4" |
3.05 |
6.02 |
8.56 |
3.6 |
4.5 |
5.4 |
125 |
141.3 |
5" |
3.4 |
6.55 |
9.53 |
5 |
5.4 |
|
150 |
168.3 |
6" |
3.4 |
7.11 |
10.97 |
5 |
5.4 |
|
200 |
219.1 |
8" |
3.76 |
8.18 |
12.7 |
|||
250 |
273.1 |
10" |
4.19 |
9.27 |
15.09 |