Stud

Pile stud

Pile head bonding method of prefabricate concrete pile
Deformed bar studs exclusive for “Pile stud welding method”
Accredited certificate of examination method by Japan Construction Center (BCJ-certificate of examination-7)

Product examples

KSW490（JIS G 3112 SD345）
KSW490 means name of material. This corresponds to JIS SD345.

Example）
Pile stud　D16×640
Pile stud　D25×1000

※”common name” and “common diameter” are the same meanig.

Method type	Common name	×	Length	Length before welding	Length after welding	Collar dimensions		Applicable ferrule
Method type	d	×	Lo	L	Lo	E	F	Applicable ferrule
Pile stud welding method (standard)	D13	×	520	526	520～524	17	5	100-101-114
	D16	×	640	646	640～644	21	7	100-101-012
	D19	×	760	767	760～764	25	9	100-101-152
	D22	×	880	887	880～884	28	10	100-101-140
	D25	×	1000	1009	1000～1004	32	12	100-101-045

Material

Type	Chemical composition					Mechanical properties
	C	Mn	Si	P	S	Yield point N/mm2	Tensile strength N/mm2	Elongation		Bend condition
	C	Mn	Si	P	S	Yield point N/mm2	Tensile strength N/mm2	%	Gauge	Inside cond	Angle
KSW490 (JIS Ｇ3112 SD345)	0.20Max	0.30 ～ 0.90	0.15 ～ 0.35	0.035Max	0.035Max	345～ 440	490Min	20Min	8D	4D	180°