PC Strand Prestressed Concrete Steel Strand

• After-sales Service: 3 Years Warranty
• Warranty: 3 Years Warranty
• Transport Package: as Client′s Request
• Specification: as Client′s Request
• Trademark: GME
• Origin: Xiamen China
• Model NO.: ASTM A416
• HS Code: 7301200000
• Production Capacity: 5000 Tons

Product Description

²Prestressed Concrete Strand Description:

Prestressed concrete strand(PC Strand). The products are mainly for the use of prestressed concrete structures reinforced. Such as large-span bridges on railways and highways, overhead crane beams, rock-soil anchoring Projects, multi-story industrial buildings, stadiums, coal mines, etc. Product's standards: GB/T5224, ASTMA416, BS5896, JISG3536, ISO6934, EN10138 or other special required standards.

1x7 prestressed steel strand, low relaxation pre-stressed steel strand is composed of 7 wires, it has the features of high tensile strength and very low relaxation, which make it could replace traditional deformed steel bar well, and save a lot of steel material. Meanwhile, it makes long-span concrete construction possible.

High tensile strength, low relaxation, stable modulus of elasticity, stress-relieved, firm connection with concrete, low stress, stable construction, good combination with steel reinforced concrete; saving material, reducing distortion and construction weight, increasing the abrasion resistance, water resistance, and stiffness.

Prestressed Concrete Strand Feature:

 

1. The PC steel strands we provide comply with technical standards such as GB/T 5223, GB/T 5224, ASTM A-416, BS 5896, JIS G3536, or standards mutually agreed upon by the customer and us.

2. PC Strands are also available in various forms for pre-tensioning or post-tensioning applications in plain or galvanized materials ranging from 3 wires, 7 wires, 19 wires, and compact constructions.

3. Standard: GB/T5224, ASTMA416, BS5896, JISG3536, ISO6934 & EN10138

 

Specification of Prestressed Concrete Strand 

(ASTM A416)

 

Grade	Nominal Dia. (mm)	Tolerance (mm)	Nominal section area (mm²)	Mass per 1000m (kg/1000m)	Minimum Breaking  load	Min Load at  1% Extension (KN)	L0 ≥610mm (%)	The relaxation at 1000 h (Initial load to 70% of nominal max load) (r/%)
250 [1725]	9.5	±0.40	51.6	405	89	80.1	3.5	2.5	3.5
	11.1		69.7	548	120.1	108.1
	12.7		92.9	730	160.1	144.1
	15.2		139.4	1094	240.2	216.2
270 [1860]	9.53	+0.65 -0.15	54.84	432	102.3	92.1
	11.11		74.19	582	137.9	124.1
	12.7		98.71	775	193.7	165.1
	15.24		140	1102	260.7	234.6

 

Technical data of Pc Strand(GB/T5224)

 

Structure	Nominal Dia. (mm)	Tolerance (mm)	Coss section area (Sn/mm²))	Re. mass per 1000m (kg/1000m)	Fm0.2/KN Tensile strength not less than (MPa)	Fp0.2/KN Yield strength not less than (MPa)	(L0 ≥500mm) Agt Elongation at max load Not less than (%)	Initial load to % of nom inal max than (%)	The relaxation at 1000h (r%)
1X2	8	+0.25 -0.10	25.1	197	1470 1570 1720 1860 1960	1320 1410 1550 1670 1760	3.5	60 70 80	1.0 2.5 4.5
	10		39.3	309
	12		56.5	444
1x3	8.6	+0.20 -0.10	37.3	296
	10.8		58.9	462
	12.9		84.8	666
1X7	9.5	+0.30 -0.15	54.8	430	1720 1860 1960	1550 1670 1760
	11.1		74.2	582
	12.7	+0.40 -0.20	98.7	775
	15.2		140	1100	1470 1570 1670 1720 1860 1960	1320 1410 1500 1550 1670 1760
	15.7		150	1178	1720 1860	1550 1670
	17.8		191	1500
	21.6		285	2237	1770	1590
					1860	1670

 

 

Raw Material

Our raw material is high-carbon wire rods SWRH82B and SWRH77B. We mainly purchase the most excellent wire rods from the famous steel group in China.

Production Process 

Raw materials (inspection wire) → Surface treatment → First drawing → Steel strand (9 times of drawing) → Stabilization treatment → Anti-rust coiling → Packaging

Inspection:

Both ends of one pc strand coil shall be inspected through stress relaxation test,tension test, hydraulic universal test, 

bending test and boroscope test, etc.

 

Prestressed Concrete Application:

PC STRAND is mainly used as an auxiliary reinforcing strand for concrete structures. eg long-spanned bridges on railways and highways, overhead crane construction, multi-floor industrial building, etc.