Congo PC strand

1*7 PC STRAND 9.5mm, 12.7mm, 15.2mm

Category:

CongoMaterials

Product Description

Low relaxation PC Strand Grade 1*7 9.5mm PC Strand Wire 270 1860Mpa SWRH82B ASTM A416

PRESTRESSED CONCRETE STEEL STRAND

Product Description:

PC STRAND is mainly used for concrete structure, such as railway and highway, overhead crane construction, multi-floor industrial building and etc, Produscts have been widely applied to the major domestic rail, road, and construction. Features :Strong force and flexible.

Normally force grade:

1860MPa, 1720MPa, 1770MPa, 1960MPa, 2000MPa, 2100MPa.

Diameter with corresponding grade:

9.5mm	1860MPa
12.7mm	1720MPa / 1860MPa / 1960MPa
15.2mm	1570MPa / 1670Mpa / 1860MPa / 1960MPa

Standard: GB/T 5224 2014, ASTM A 416 / A416M, BS5896, EN10138, JISG 3635

BS 5896
Strand Type	Nom.(mm)	Tolerance(mm)	Area of Section(mm)	Theoretical Weight per 1000M (kg)	Tensile Strength	Specified characteristic breaking Load	Load at 1% Elongation lo ≥ 500mm	Min Elongation at Max load
Standard 7-wire	9.3	+0.3	52	408	1770	92	78	81
	9.3	-0.15	52	408	1770	92	78	81
	11	-0.3	71	557	1770	125	106	110
	11	-0.15	71	557	1770	125	106	110
	12.5	+0.4	93	730	1770	164	139	144
	12.5	-0.2	93	730	1770	164	139	144
	15.2	+0.4	139	1090	1670	232	197	204
	15.2	-0.2	139	1090	1670	232	197	204
Super 7-wire	9.6	+0.3	55	432	1860	102	87	90
	9.6	-0.15	55	432	1860	102	87	90
	11.3	-0.3	75	590	1860	139	118	122
	11.3	-0.15	75	590	1860	139	118	122
	12.9	+0.4	100	785	1860	186	158	163
	12.9	-0.2	100	785	1860	186	158	163
	15.7	+0.4	150	1180	1770	265	225	233
	15.7	-0.2	150	1180	1770	265	225	233
Dia 7-wire	12.7	+0.4	112	890	1860	209	178	184
	12.7	-0.2	112	890	1860	209	178	184
	15.2	+0.4	165	1293	1820	300	255	264
	15.2	-0.2	165	1293	1820	300	255	264
	18	+0.4	229	1750	1700	380	323	334
	18	-0.2	229	1750	1700	380	323	334
Min Elongation at Max Load:				3.5
Relaxation Value 1000h				60% initial Load: 1.0 70% initial Load: 2.5 80% initial Load: 4.5

Mechanical Properties of steel strand - ASTM A 416
Grade	Nom.(mm)	Tolerance(mm)	Cross Section(mm²)	Re. Mass per 1000m (Kg/1000m) (kg)	Min Breaking load	Min Load at 1% Extension (KN)
250 (1725)	9.53	±0.40	51.61	405	89.0	81
	11.11		39.68	548	120.1	108.1
	12.70		92.90	730	160.1	144.1
	15.24		139.35	1094	240.2	216.2
270 (1806)	9.53	±0.65	54.84	431	102.3	92.1
	11.11	±0.65	74.19	582	137.9	124.1
	12.70	-0.15	98.71	775	183.7	165.1
	15.24	-0.15	140.00	1102	260.7	234.6
Lo ≥ 610mm (%)			3.5
The relaxation at 1000h ( initial Load to 70% of nominal max load )(t/%) Not more than (%)			Low-relaxation: 2.5 Normal-relaxation: 3.5