Certificates - Thai Wire Products

ลวดเหล็กกล้าสำหรับคอนกรีตอัดแรง

ลวดเหล็กกล้าสำหรับคอนกรีตอัดแรง

เส้นผ่านศูนย์กลาง	4 , 5 , 6 , 7 , 9 mm.
ประเภท	Stress Relieved
ชั้นคุณภาพ	1470-1860 MPa.
ผิวสัมผัส	Plain, Indented, Crimped
การผ่อนคลาย	Normal/Low
เคลือบผิวพิเศษ	None

TIS 95-2540

Standard	Grade	Nominal Diameter	Nominal cross- sectional area	Mass per length		Characteristics (Minimum)					Elongation (Min. %)	Reverse Bend (Min)	Curvature Straightness	Max. % Relaxation at 1,000 hr.
Standard	Grade	Nominal Diameter	Nominal cross- sectional area	Nominal	Permissible variation	Fm min	Fm max	Fp 0.1 min	Fp 0.2 min	Fp 1.0 min	Elongation (Min. %)	Reverse Bend (Min)		Low Relaxation			Normal Relaxation
		(mm.)	(mm²)	(g/m)	(g/m)	(kN)	(kN)	(kN)	(kN)	(kN)	(%)	(Time x Radius)		60%	70%	80%	60%	70%	80%
		TIS 95-2540 / ISO 6934-2:1991	1470N	9	63.6	499	± 7.2	93.5	-	74.8	76.7	-	3.5	3 x 25 mm.	Arc height not greater than 30 mm. Over gauge length 1 m.	1.0^*1	2.5^*1	4.5^*1	4.5^*1	8.0^*1	12.0^*1
			1570N	7	38.5	302	± 4.3	60.4		50.1	51.3			3 x 20 mm.
			1670N	4	12.6	98.9	±2.0	21.0		17.5	17.9			3 x 10 mm.
				5	19.6	154	±3.1	32.7		27.2	27.8			3 x 15 mm.
	7			38.5	302	±4.3	64.3	53.4		54.7	3 x 20 mm.
	1770N		4	12.6	98.9	±2.0	22.3	18.5		19.0	3 x 10 mm.
	1770N		5	19.6	154	±3.1	34.7	28.8		29.5	3 x 15 mm.

AS 4672: 2025

Standard	Grade	Nominal Diameter	Nominal cross- sectional area	Mass per length		Characteristics (Minimum)					Elongation (Min. %)	Reverse Bend (Min)	Curvature Straightness	Max. % Relaxation at 1,000 hr.
Standard	Grade	Nominal Diameter	Nominal cross- sectional area	Nominal	Permissible variation	Fm min	Fm max	Fp 0.1 min	Fp 0.2 min	Fp 1.0 min	Elongation (Min. %)	Reverse Bend (Min)		Low Relaxation			Normal Relaxation
		(mm.)	(mm²)	(g/m)	(g/m)	(kN)	(kN)	(kN)	(kN)	(kN)	(%)	(Time x Radius)		60%	70%	80%	60%	70%	80%
		AS 4672: 2025	1470N	9	63.6	499	± 7.2	93.5	-	74.8	-	-	3.5	3 x 25 mm.	not be greater than 30 mm.	-	2.0^*1	3.0^*1	-	6.5^*1	10.0^*1
			1670N	4	12.6	98.9	±2.0	21.0		17.5				3 x 10 mm.
				7	38.5	302	±4.3	64.3		53.4				3 x 20 mm.
				8	50.3	395	±5.9	84.9		69.7				3 x 20 mm.
	1700N		5.03	19.9	156	±3.1	33.8	28.1		3 x 15 mm.

JIS G3536 : 2014

Standard	Grade	Nominal Diameter	Nominal cross- sectional area	Mass per length		Characteristics (Minimum)					Elongation (Min. %)	Reverse Bend (Min)	Curvature Straightness	Max. % Relaxation at 1,000 hr.
Standard	Grade	Nominal Diameter	Nominal cross- sectional area	Nominal	Permissible variation	Fm min	Fm max	Fp 0.1 min	Fp 0.2 min	Fp 1.0 min	Elongation (Min. %)	Reverse Bend (Min)		Low Relaxation			Normal Relaxation
		(mm.)	(mm²)	(g/m)	(g/m)	(kN)	(kN)	(kN)	(kN)	(kN)	(%)	(Time x Radius)		60%	70%	80%	60%	70%	80%
		JIS G3536 : 2014	SWPD1	4 ± 0.04	12.57	98.7	-	21.1	-	-	18.6	-	3.5	-	-	-	2.5^*1	-	-	8.0^*1	-
				5 ± 0.05	19.64	154		31.9			27.9		4.0
				7 ± 0.05	38.48	302		58.3			51.0		4.5
				9 ± 0.06	63.62	499		90.2			78.0		4.5
	SWPR1B		5 ± 0.05	19.64	154	33.8		29.9			4.0
	SWPR1B		7 ± 0.05	38.48	302	62.3		54.9			4.5

prEN10138-2 : 2006

Standard	Grade	Nominal Diameter	Nominal cross- sectional area	Mass per length		Characteristics (Minimum)					Elongation (Min. %)	Reverse Bend (Min)	Curvature Straightness	Max. % Relaxation at 1,000 hr.
Standard	Grade	Nominal Diameter	Nominal cross- sectional area	Nominal	Permissible variation	Fm min	Fm max	Fp 0.1 min	Fp 0.2 min	Fp 1.0 min	Elongation (Min. %)	Reverse Bend (Min)		Low Relaxation			Normal Relaxation
		(mm.)	(mm²)	(g/m)	(g/m)	(kN)	(kN)	(kN)	(kN)	(kN)	(%)	(Time x Radius)		60%	70%	80%	60%	70%	80%
		prEN10138-2 : 2006	Y1770C	4	12.6	98.4	± 2%	22.3	25.6	19.6	-	-	3.5	3 x 10 mm.	≤25 mm.	-	2.5^*2	4.5^*2	-	8.0^*2	-
				5	19.6	153.1		34.7	39.9	30.5				3 x 15 mm.
				7	38.5	300.7		68.1	78.3	59.9				3 x 20 mm.
			Y1860C	4	12.6	98.4		23.4	26.9	20.8				3 x 10 mm.
	5		Y1860C	19.6	153.1	36.5		42.0	32.5	3 x 15 mm.

BS 5896 : 2012

Standard	Grade	Nominal Diameter	Nominal cross- sectional area	Mass per length		Characteristics (Minimum)					Elongation (Min. %)	Reverse Bend (Min)	Curvature Straightness	Max. % Relaxation at 1,000 hr.
Standard	Grade	Nominal Diameter	Nominal cross- sectional area	Nominal	Permissible variation	Fm min	Fm max	Fp 0.1 min	Fp 0.2 min	Fp 1.0 min	Elongation (Min. %)	Reverse Bend (Min)		Low Relaxation			Normal Relaxation
		(mm.)	(mm²)	(g/m)	(g/m)	(kN)	(kN)	(kN)	(kN)	(kN)	(%)	(Time x Radius)		60%	70%	80%	60%	70%	80%
		BS 5896 : 2012	Y1570C	7	38.5	300.7	± 2%	60.4	69.5	53.2	-	-	3.5	3 x 20 mm.	≤ 25 mm.	-	2.5^*2	4.5^*2	-	-
			Y1670C	4	12.6	98.4		21.0	24.2	18.5				3 x 10 mm.
				5	19.6	153.1		32.7	37.6	28.8				3 x 15 mm.
				6	28.3	221.0		47.3	54.4	41.6				3 x 15 mm.
	7			38.5	300.7	64.3		73.9	56.6	3 x 20 mm.
	Y1770C		4	12.6	98.4	22.3		25.6	19.6	3 x 10 mm.
			5	19.6	153.1	34.7		39.9	30.5	3 x 15 mm.
			6	28.3	221.0	50.1		57.6	44.1	3 x 15 mm.
	Y1860C		5	19.6	153.1	36.5		42.0	32.5	3 x 15 mm.

ASTM A421/A421-21 LOW RELAXATION

Standard	Grade	Nominal Diameter	Nominal cross- sectional area	Mass per length		Characteristics (Minimum)				Elongation (Min. %)	Reverse Bend (Min)	Curvature Straightness	Max. % Relaxation at 1,000 hr.
Standard	Grade	Nominal Diameter	Nominal cross- sectional area	Nominal	Permissible variation	Tensile Strength	0.1% Proof stress	0.2% Proof stress	0.1% Proof stress	Elongation (Min. %)	Reverse Bend (Min)		Low Relaxation			Normal Relaxation
		(mm.)	(mm²)	(g/m)	%	(MPa)	(MPa)	(MPa)	(MPa)	(MPa)	(Time x Radius)		60%	70%	80%	60%	70%	80%
		ASTM A421/A421-21 LOW RELAXATION	WA^*	4.88	18.7	-	-	1725	-	-	1465	4.0	-	Arc height not more than 75 mm. Over gauge length 1500 mm	-	2.5^*3	3.5^*3	-	-	-
				9.98	19.5			1725			1465
				6.35	31.7			1655			1407
				7.01	38.6			1620			1377
	BA ^**		4.98	19.5	1655			1407
			6.35	31.7	1655			1407
			7.01	38.6	1620			1377

Remarks: WA^* =Wedge Achorage, BA^** = Botton Anchorage,^*1 Initial load as percentage of specific minimum breaking load (Fm).,^*2 Initial load as percentage of specific actual maximum force (F_ma),
^*3 Initial load as percentage of specific minimum tensile strength

มาตรฐานจัดส่ง

Wire Diameter (mm)	Inside Diameter (mm)	Outside Diameter (mm)	Straps	Weight Approx (kg)
4.0	1500	1950	6	800 - 1,200
5.0	1500	1950	6	800 - 1,200
7.0	1750	2100	6	800 - 1,200
9.0	1750	2100	6	800 - 1,200