JIS A5525 Steel Pipe

JIS A5525

JIS A5525 is a Japanese industry standard for the quality of building materials. This standard steel pipe requires sufficient strength, stability and reliability in building structures. Pandapipe offers you high quality and high performance JIS A5525 standard carbon steel pipes. And support three-party testing, so that customers can get high-quality products.

JIS A5525 Steel Pipe Specifications

JIS A5525 standard steel tubing has a comprehensive specification. Can meet your various needs. Pandapipe’s production procedures adhere to strict quality standards. Different grades of steel are available and each grade is designed to meet different structural needs. In addition, we can also provide you with surface processing services, various pipe end types and so on.

Standard	JIS A5525
Dimension	318.5mm-2000mm
Wall Thickness	3.2mm-25.4mm
Length	3m-18m
Producing Method	Welding
Steel Grade	SKK400 SKK490
Usage	Specifies the welded steel pipe piles, used in the foundation of structures such as civil engineering works and architecture.
Chemical Component		C	Si	Mn	P	S
	SKK400	≤0.25	—	—	≤0.04	≤0.04
	SKK490	≤0.18	≤0.55	≤1.65	≤0.035	≤0.035
Mechanical properties	–	Tensile strength	Yield strength	Elongation,%	–	–
	SKK400	≥400 Mpa	≥235 Mpa	≥18
	SKK490	≥490 Mpa	≥315 Mpa	≥18

JIS A5525 Standard Steel Grades

JIS A5525 SKK400

JIS A5525 SKK400 steel pipe has a minimum tensile strength is 400 MPa.

JIS A5525 SKK490

JIS A5525 SKK490 steel pipe has a minimum tensile strength is 490 MPa

JIS A5525 Dimension Table

Pandapipe offers JIS A5525 steel pipes in a comprehensive range of sizes. The size table includes a variety of diameters, wall thicknesses and lengths, giving you the flexibility to choose the size that best suits your project and can meet different structural and load requirements. Carefully designed each size to ensure the performance and stability of the pipe.

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 & Mechanical Requirements of JIS A5525

Chemical Requirements of JIS A5525

Carbon steel pipes manufactured by Pandapipe strictly comply with the chemical composition requirements set out in JIS A5525 standard. Strictly control the content and proportion of each chemical element in the production process. To improve the mechanical properties and welding performance of the product. Ensure that steel pipe piles provide a reliable and durable solution for your basic needs.

Chemical Composition Unit:%
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 Requirements of JIS A5525

JIS A5525 steel pipes manufactured by Pandapipe meet the mechanical properties requirements of the standard. Through precise manufacturing processes and strict quality control measures, these pipes have excellent tensile strength, yield strength and elongation, and can withstand heavy loads and high stresses.

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

JIS A5525 Production Tolerance

The outer diameter tolerance of JIS A5525 dimensional tolerance applies to the measured pipe circumference. The wall thickness tolerance of steel pipe is also required and regulated. Through strict dimensional tolerance control, calibrating parameters to ensure the quality of the pipe.

Shape and dimensional tolerances of single pipe
Division			Tolerance	Definition of symbol
Outsidediameter(D)	Pipe end		±0.5%	Tolerance on outside diameter applies to the measured circumference of the pipe. Conversion between outside diameter (D)and pipe cireumference (i) is given bythe follawing: Where， D: outside diameter (mm): l:circumference (mm ) π:3.1416
Wallthickess(t)	Wall thickness under 16 mm	Outaide diameter under 500 mm	+ Not specified – 0.6mm	–
		Outside diameter 500 mm or over to and exel.800 mm	+ Not specified – 0.7mm
		Outside diameter 800 mm or over up to and incl.2 000 mm	+ Not specified – 0.8mm
	Wall thickness16 mm or over	Outside diameter under 800 mm	+ Not specified – 0.8mm
	Wall thickness16 mm or over	Outaide diameter 800 mm or over up to and incl.2 000 mm	+ Not specified – 1mm

Application of JIS A5525

- - Bridge structures: JIS A5525 standard carbon steel pipes are widely used in bridge structures as main beams and structural supports in large bridge construction projects.
  - Building structure: JIS A5525 is commonly used for supporting structures and frames of buildings. It can withstand heavy loads and large pressures.
  - Pipeline systems: mainly used for long-distance transportation of oil and gas pipeline systems, as well as water supply and drainage systems.

JIS A5525 Steel Pipe

JIS A5525