Certificates - Thai Wire Products

ลวดชุบแข็งและอบคืนตัวสำหรับคอนกรีตอัดแรง

STANDARD	Grade	Nominal diameter	Nominal cross sectionalarea	Mass per length		Characteristics (Minimum)				Curvature / Straightness	Max. %Relaxation at 1,000 hr.
		Nominal diameter	Nominal cross sectionalarea	Nominal	Tolerance	Tensile strength	0.2% Proof strength	Agt *	A **		Low Relaxation
		(mm.)	(mm²)	(g/m)	(g/m)	(N/mm²)	(N/mm²)	(%)	(%)		(60%)	(70%)	(80%)
มอก. 3286-2564^a (TIS. 3286-2564)	1420N	7.1	40	-	306-327	≥ 1420	≥ 1280	≥ 3.5	≥ 7.0	≤ 5.0	1.0	2.0	4.5
		9.0	64	-	490-522
		10.7	90	-	689-735
GB/T 5223.3 - 2017^b	1080N-1420N	7.1	40	314	306-327	≥ 1080 ≥ 1230 ≥ 1420	≥ 930 ≥ 1080 ≥ 1280	≥ 3.5 ≥ 2.5	≥ 7.0 ≥ 5.0	≤ 5.0	1.0	2.0	4.5
		9.0	64	502	490-522
		10.7	90	707	689-735
ISO 6934-3: 1991^c	1420N	7.1	40	-	301-327	≥ 1420	≥ 1275	≥ 3.5 ≥ 2.5	-	≤ 30	1.0	2.0	4.5
		9.0	64	-	482-522
		10.7	90	-	679-735
JIS G3137: 2020^d	Grade C	7.1	40	314	295-333	≥ 1230	≥ 1080	-	≥ 5.0	≤ 30	-	2.5	-
		9.0	64	502	472-532
		10.7	90	707	665-749
	Grade D	7.1	40	314	295-333	≥ 1240	≥ 1275	-	≥ 5.0	≤ 30	-	2.5	-
		9.0	64	502	472-532
		10.7	90	707	665-749

^a มอก. 3286-2654_ ลวดชุบแข็งและอบคืนตัวสำหรับคอนกรีตอัดแรง (QUENCHED AND TEMPERED WIRE FOR PRESTRESSED CONCRETE)

^b GB/T 5223.3: 2017_Steel bars for the prestressing of Concrete

^c ISO 6934-3: 1991_Steel for the prestressing of Concrete Part 3: Quenched and tempered wire

^d JIS G3137: 2008_Small diameter steel bars for prestressed concrete

* Agt : Elongation at Max. Force , ** A : Elongation after Fracture

Standard Packing

ขนาดเส้นผ่านศูนย์กลางลวด Wire Diameter (mm)	วงใน Inside Diameter (mm)	วงนอก Outside Diameter (mm)	สายรัด (32 มม.) Straps	น้ำหนักโดยประมาณ Weight Approx (kg)
7.1	1700	2000	6	800 - 1,200
9.0	1700	2000	6	800 - 1,200
10.7	1700	2000	6	800 - 1,200