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Standard ASTM 416 /A416M 7 wire Low relaxation pc steel wire strand 12.7mm&15.24mm

Standard ASTM 416 /A416M 7 wire Low relaxation pc steel wire strand 12.7mm&15.24mm 0

American association of materials and experimental standards ASTM A416:

Grade	Norminal Diameter	Tolerance	Area of section	Theoretical Weight per 1000meter	Minimum Breaking Load	Minimum Load At 1% extension	Elongation Not less than	Relaxation Value not more than
	mm	mm	Mm2	kg	KN	KN	%	70% initial Load	80% Initial Load
250	9.53	±0.04	51.61	405	89.0	80.1	3.5	2.5	4.5
	11.11		69.68	548	120.1	108.1
	12.7		92.90	730	160.1	144.1
	15.24		139.35	1094	240.2	216.2
270	9.53	+0.65 -0.15	54.84	432	102.3	92.1	3.5	2.5	4.5
	11.11		74.19	582	137.9	124.1
	12.7		98.71	775	183.7	165.3
	15.24		140	1102	260.7	234.6

British standard(BS5896):

Strand type	Norminal Diameter	Tolerance	Area of section	Theoretical Weight per 1000 meter	Tensile Strength	Specified characteristic Breaking load	Specified Characteristics 0.1%yield intinal load	Load at 1% Elongation L0≥500	Minimum Elongation At Max Load	Relaxation Value 1000h
	mm	mm	Mm2	kg	N/mm2	KN	KN			%
Standard 7-wire	9.3	+0.3	52	408	1770	92	78	81	3.5	1.0	2.5	4.5
		-0.15
	11	+0.3	71	557	1770	125	106	110
		-0.15
	12.5	+0.4	93	730	1770	164	139	144
		-0.2
	15.2	+0.4	139	1090	1670	232	197	204
		-0.2
Super 7-wire	9.6	+0.3	55	432	1860	102	87	90	3.5	1.0	2.0	2.0
		-0.15
	11.3	+0.3	75	590	1860	139	118	122
		-0.15
	12.9	-0.15	100	785	1860	186	158	163
		+0.4
	15.7	+0.4	150	1180	1770	265	225	233
		-0.2
Die-Drawn 7-wire	12.7	+0.4 -0.2	112	890	1860	209	178	184	3.5	1.0	2.0	2.0
	15.2		165	1295	1820	300	255	264
	18		223	1750	1700	380	323	334

Japanese standards JIS G3536:

Steel Grade	Norminal Diameter	Tolerance	Area of section	Theoretical Weight per 1000 meter	Breaking Load	Load at 0.2% Permaneat elongation	Minimum Elongation At Max load≥	Relaxation Value ≤
	mm	mm	Mm2	kg	≥KN	≥KN	%	%
SWPR7A	9.3	+0.4 -0.2	51.61	405	88.8	75.5	3.5	3.0
	10.8		69.68	546	120	102
	12.4		92.90	729	160	136
	15.2		138.70	1101	240	204
WEPR7B	9.5	+0.4 -0.2	58.84	432	102	86.8
	11.1		74.19	580	138	118
	12.7		98.71	774	183	156
	15.2		138.70	1101	261	222

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Standard ASTM 416 /A416M 7 wire Low relaxation pc steel wire strand 12.7mm&15.24mm 1

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seven strand wire,pc strand wire,7 wire PC Strand

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