PC Steel Wire, description about HOT-SALE Spiral Ribs PC Wire(SPIRAL RIBS PRESTRESSED STEEL WIRE) on China Suppliers Mobile

Specifications

PC steel wire
1.diameter : 4.0mm-9.0mm
2.month output : 60000tons
3.Coil weight:700kg-1300kg
4.T/S:1570MPA 1670MPA 1770MPA

Spiral ribbed PC Wire

1. Low relaxation high tensile strength

2. Material: 82b / 77b from Shougang Group and Xingtai Iron and Steel Group

3. Standard : BS5896 GB/T5223-2002 ASTM A421 ASTM A881/A881M or customers requirement

4. Diameter: 4 / 4.5 / 4.8 / 5 / 6 / 6.25 / 7 / 8 / 9 / 10 / 12mm

5. Tensile strength: 1570Mpa 1670Mpa 1770Mpa 1860Mpa

6. Surface: spiral ribbed / smooth / indented

7. Coil weight: 0.8 to 1.5T

8. Month output: 6000tons

Technical Data of High Tensile PC Wire under BS 5896-1980 Standard

Nominal Diameter	Nominal Tensile Strength	Tolerance on Diameter	Nominal Cross-Section	Nominal Mass	Specified Characteristic Breaking Load	Specified Characteristic 0.1% Proof Load	Load at 1% Elongation	Minimum Elongation at max Load (Lo=200mm)	Relaxation
									Initial Load (% of actual breaking load)	Max relaxation after 1000hrs
mm	N/mm2	mm	mm2	g/m	KN	KN	KN			Relax Class 1 (normal relax)	Relax Class2 (low relax)
4	1670	0.04	12.6	98.9	21.0	17.5	17.9	3.5%	60% 70% 80%	4.5% 8% 12%	1.0% 2.5% 4.5%
	1770				22.3	18.5	19.0
4.5	1620	0.05	15.9	125	25.8	21.4	21.9
5	1670		19.6	154	32.7	27.2	21.8
	1770				34.7	28.8	29.5
6	1670		28.3	222	47.3	39.9	40.2
	1770				50.1	41.6	42.6
7	1570		38.5	30 2	60.4	50.1	51.3
	1670				64.3	53.4	54.7

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