Product

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)

 

 Material

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
d × Lo L Lo E F
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
% 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°

 

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