We are professional manufacturer for low relaxation PC steel strand,
1.Description: High tensile low relaxation steel strand for prestressed concrete structure.
2.Specifications:
7 Wire- Dia. 9.53mm, 11.11mm, 12.7mm, 15.24mm, 15.7mm, 17.8mm, 21.6mm.
3 Wire- Dia. 10.8mm, 12.9mm.
2 Wire- Dia. 10.0mm, 12.0mm.
19 Wire- Dia. 21.6mm.
3.Standards: ASTM A416/A416M-2006, ASTM A910-2005, BS5896-1980, GB/T5224-2003, JIS G3536.
4. Tensile Strength: 1470Mpa ~ 1960Mpa
Yield Strength: 1320Mpa ~ 1760 Mpa
Elongation: Not less than 3.5%
Initial Load: Not more than 70%
Relaxation(1000h): 2.5%
Type: Cold drawn wire
5.Raw Material: SWRH77B/82B Wire Rod
6.Packing: Baling Strip, wrapped in Anti- rust plastic paper, PP Woven cloth(Basic), Wood Pallet, Wood Spool(Optional)
7.Coil Weight: 1.0 to 4.0 MT Per Coil(2.0-3.5 MT for most)
8.Coil Size: ID 0.70-0.72M, OD 1.0-1.5M, Width 0.76M
Standard | Grade | Nominal Diameter | Min breaking strength KN | Min yield strength KN | Min Elongation Lo>600m | Relaxation | ||
in | mm |
| Initial load of min mominal breaking strenght | 1000h Value No more than | ||||
ASTM A416 -2002 | 250 | 0.375 | 9.53 | 89.00 | 80.10 | 3.50% | 60% 70% 80% | 1.0% 2 .5% 4.5% |
0.438 | 11.11 | 120.10 | 108.10 | |||||
0.500 | 12.70 | 160.10 | 144.10 | |||||
0.600 | 15.20 | 240.20 | 216.20 | |||||
270 | 0.375 | 9.53 | 102.30 | 92.10 | ||||
0.438 | 11.11 | 137.90 | 124.10 | |||||
0.500 | 12.70 | 183.70 | 165.30 | |||||
0.600 | 15.24 | 260.70 | 234.60 | |||||
Standard | Type | Nominal Diameter | Min breaking strength KN | Min yield strength KN | Min Elongation Lo>600m | Relaxation | |
|
| mm |
|
|
| Initial load of min mominal breaking strenght | 1000h Value No more than |
BS5896-1980 | Standard 7 wire | 9.3 | 92.00 | 81 | 3.50% | 60% 70% 80% | 1.0% 2.5% 4.5% |
11.0 | 125.00 | 110 | |||||
12.5 | 164.00 | 144 | |||||
15.2 | 232.00 | 204 | |||||
Super 7 wire | 9.6 | 102.00 | 90 | ||||
11.3 | 139.00 | 122 | |||||
12.9 | 186.00 | 163 | |||||
15.7 | 265.00 | 233 | |||||
Company introduction
Founded in 2004, Tangshan Huaye Steel Pipe Manufacturing Co., Ltd. It is located in Tangshan of Hebei province
in the north of China, with registered capital 10 million RMB and 200 staff. It is a one-stop business of production
and trade with good reputation and high prestige in north China. Our main products are prestressed concrete steel
bars, prestressed concrete steel wire and high frequency welded steel pipe (including scaffold pipe) of the corporation.
We have two factories, both with test laboratories, and 15 production lines; 7 steel bars (30 MnSi) production line,
supply ability around ninety thousand Tons per year, 2 steel wire (YL77B, YL82B) production line, supply ability
around twenty thousand tons each year, 4 HFW steel pipe (Q195, Q215, Q235) production line, supply ability
around twenty hundred thousand tons per year.
Our company has passed ISO9001:2008 Quality management system certification since 2013.
1.Are you a factory or trading company?
A factory
2.How does your factory do regarding quality control?
Quality is priority. We always attach great importance to quality controlling from the very beginning to the very end.
Our factory has passed ISO9001,ISO14001,CE,API.
3.What is the material of your products?
The material is carbon steel, alloy steel and stainless steel. We can also choose material according to customer's requirement.
4. How to place an order?
A. Please send the accurate OD, THK, Length, Technical Standard and Material of the pipe you need to me.(by E-mail, or add my Skype, or ask me on the Trade manager)
B. Then I will reply you the details you want.
C. We go on chatting with each other and realizing each other detail requirements.
D. Any questions please feel free to contact me, I would be so pleased to answer you at any time.