JIS A5525 Steel Pipes Piles

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JIS A5525

JIS A 5525 is a steel pipe specification specified by the Japanese Industrial Standard (JIS). This steel pipe is mainly used in the fields of construction and structural engineering.

UNIASEN’s JIS A5525 steel pipe piles come with a detailed set of specifications to meet your diverse project needs.

JIS A 5525 steel pipes are usually made of carbon steel and are widely used in building structures, scaffolding, railings, and other fields, with good mechanical properties and durability.

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Specification

Standard	JIS A5525
Dimension	318.5-2000mm
Thickness	3.2-25.4mm
Pipe length	3-18mm
Manufacturing	Welded
Steel Grade	SKK400, SKK490
Application	Specifies the welded steel pipe piles, used in the foundation of structures such as civil engineering works and architecture

Dimension

Outside Diameter mm	Nominal Wall Thickness mm
318.5	6.9	10.3	–	–
355.6	6.4	7.9	11.1	–
400	9	12	–	–
406.4	9	12	–	–
500	9	12	14	–
508	9	12	14	–
600	9	12	14	16
609.6	9	12	14	16
700	9	12	14	16
711.2	9	12	14	16
800	9	12	14	16
812.8	9	12	14	16
900	12	14	16	19
914.4	12	14	16	19
1000	12	14	16	19
1016	12	14	16	19
1100	12	14	16	19
1117.6	12	14	16	19
1200	14	16	19	22
1219.2	14	16	19	22
1300	14	16	19	22
1320.8	14	16	19	22
1400	14	16	19	22
1422.4	14	16	19	22
1500	16	19	22	25
1524	16	19	22	25
1600	16	19	22	25
1625.6	16	19	22	25
1800	19	22	25	–
2000	22	25	–	–

Chemical Requirement

Class Symbol	C	Si	Mn	P	S
SKK400	0.25 max.	–	–	0.040 max.	0.040 max.
SKK490	0.18 max.	0.55 max.	1.65 max.	0.035 max.	0.035 max.
Alloy elements other than those in this table may be added，as required.

Mechanical Requirement

Class Symbol	Tensile StrengthN/mm2	Yield Point or Proof StressN/mm2	Elongation %	Tensile Strength of weldN/mm2	Flattening Resistance Distance Between Flat Plates(H) (D)is Outside Diameter of Pipe
SKK400	400 min.	235 min.	18 min.	400 min.	2/3 D
SKK490	490 min.	315 min.	18 min.	490 min.	7/8 D
NOTE: 1 N/mm2 – 1 MPa