Introducing our SAE J525 Welded Hydraulic Tubing, thoughtfully designed to meet the demanding requirements of hydraulic systems across various industries. Our tubing stands out for its exceptional quality, versatility, and reliability in critical applications. Let’s explore the key features and applications that make SAE J525 the preferred choice.

As a leading supplier and stockist of J525 Welded Hydraulic Tubing in India, we take pride in delivering high-quality products with comparable specifications. Our tubes feature a carefully balanced chemical composition, including manganese, phosphorus, and sulfur, ensuring enhanced yield strength and hardness for long-lasting durability.

At SA179 Tube, we prioritize customer satisfaction by offering full customization options for SAE J525 Steel Tubing. Clients can tailor parameters such as outer diameter, wall thickness, and surface finishes to meet their specific requirements.

Key Features:

1. Low-Carbon Steel Construction: SAE J525 Hydraulic Tube is constructed from low-carbon steel, ensuring a balance of strength and flexibility. This makes it ideal for applications requiring precise bending and flaring.
2. Annealed for Enhanced Properties: The tubing undergoes annealing processes that enhance its properties, making it well-suited for bending, flaring, forming, and brazing. This results in tubing that meets high-quality standards.
3. Versatile Applications: SAE J525 finds applications in a wide range of industries, including Heavy Equipment, Agriculture, Off-Road Vehicles, Automotive, Steering and Transmission components, Process and Utility, and various hydraulic systems.
4. Manufacturing Excellence: Our high-pressure tubing undergoes a meticulous manufacturing process involving cold-drawn reductions, intermediate anneals, and a dead-soft anneal after final sizing. This process ensures consistency and high quality, making the tubing easy to bend and flare.

Similar to J524, SAE J525 shares identical chemical and mechanical properties, making them both suitable for hydraulic applications. The key distinction lies in the manufacturing process, as J525 starts as flat stock. When flaring is a requirement, J524 Seamless is often preferred, although both offer high quality and comparable specifications.

SAE J525 Hydraulic Tubing is the go-to choice for pressure lines in applications demanding superior tubing qualities. Its versatility makes it a reliable solution for Heavy Equipment, Agriculture, Automotive, and various hydraulic systems where precision and durability are paramount.

Choose precision and reliability for your hydraulic applications with SAE J525 Hydraulic Tube from SA179 Tube. Our commitment to quality, customization, and adherence to industry standards makes us your trusted partner for hydraulic solutions.

J525 Hydraulic Tube Specification

Dimensions	ASTM
Specialized Supplier in	Large Diameter Size
Seamless Tube	4 to 219mm W. T.: 0.5 to 20mm
Size	15″NB TO 150″NB IN
Schedule	SCH5, SCH10, SCH40, STD, SCH80, SCH160
Testing Provided By Supplier	H2 SERVICE, NACE TM0177, NACE TM0284, SSC TEST, NACE MR0175, HIC TEST, IBR, etc.
Available Type By Supplier	Seamless / ERW / Welded / Fabricated / LSAW
Form	Round, Hydraulic Etc
End	Plain End, Beveled End, Treaded
Length	Single Random, Double Random & Cut Length.

SAE J525 Hydraulic Tubes Chemical Composition

Carbon	0.06-0.18
Manganese	0.30-0.6
Phosphorus	0.04max
Sulfur	0.05

SAE J525 Hydraulic Tubes Mechanical Property

Yield Strength, min	170 MPa
Ultimate Strength, min	310 MPa
Elongation in 50 mm, min	35%
Hardness (Rockwell B), max	65

SAE J525 Hydraulic Tubes Welded Tubing Tolerance

Nominal Tubing OD	Tube Tolerance, OD±mm/ID±mm
Up to 9.50	0.05
Over 9.50 to 15.88 inclusive	0.06
Over 15.88 to 50.80 inclusive	0.08
Over 50.80 to 63.50 inclusive	0.10
Over 63.50 to 76.20 inclusive	0.13
Over 76.20 to 100.00 inclusive	0.15

SAE J525 Hydraulic Tubes Pressure Rating

Nominal Tube O.D. inch mm		Nominal Tube Wall Thickness
		0.028	0.035	0.049	0.065	0.083	0.093	0.109	0.12	0.134	0.148	0.156	0.188
		0.71mm	0.89mm	1.24mm	1.65mm	2.11mm	2.41mm	2.77mm	3.05mm	3.40mm	3.76mm	3.96mm	4.78mm
Reference Working Pressures at 4:1 Design Factor(psi/Mpa)
0.125	6650	8450
3.18	46	58.5
0.188	4250	5450
4.77	29.5	37.5
0.25	3100	3950	5750	7800
6.35	21.5	27	39.5	54
0.312	2450	3100	4500	6150
7.92	16.8	21.5	31	42.5
0.375	2000	2550	3650	5000	6550	7600
9.53	13.8	17.6	25	34.5	45	52.5
0.5	1850	2700	3650	4800	5550	6450	7200
12.7	12.8	18.6	25	33	38.5	44.5	49.5
0.625	1500	2100	2850	3750	4350	5050	5600
15.88	10.4	14.5	19.6	26	30	35	38.5
0.75	1200	1750	2350	3050	3550	4150	4600
19.05	8.3	12	16.2	21	24.5	28.5	31.5
0.875	1050	1500	2000	2600	3000	3500	3900
22.23	7.2	10.4	13.8	18	20.5	24	27
1	900	1300	1750	2250	2600	3000	3350	3800	4200
25.4	6.2	9	12	15.5	18	20.5	23	26	29
1.125	1150	1550	2000	2300	2650	2950	3300	3700
28.58	7.9	10.6	13.8	15.8	18.2	20.5	23	25.5
1.25	1000	1350	1750	2050	2350	2650	2950	3300	3500	4300
31.75	6.9	9.3	12	14.2	16.2	18.2	20.5	23	24	29.5
1.5	1150	1450	1700	1950	2150	2450	2700	2850	3500
38.1	7.9	10	11.8	13.5	14.8	16.8	18.6	19.6	24
1.75	950	1250	1450	1650	1850	2050	2300	2400	2950
44.45	6.6	8.6	10	11.4	12.8	14.2	15.8	16.6	20.5
2	850	1100	1250	1450	1600	1800	2000	2100	2550
50.8	5.9	7.6	8.6	10	11	12.4	13.8	14.5

Features

• EN10204 3.1.B
• PED certified
• OD x ID
• Uniform Lengths
• Dual Certified
• End capped
• Bright finish
• .313”-4.25” outside diameter
• .035”-.25” wall thickness
• The tubing shall conform to the following requirements:

Tensile Strength	45,000 psi minimum
Yield	25,000 minimum
Elongation in 2 inch	35 percent* minimum
Rockwell Hardness	B65 maximum

* For tubes with OD of 3/8 inch and/or wall thickness of 0.035, a minimum elongation of 30 percent is permitted. FLATTENING TEST — A section at least three inches in length shall be taken from every 1500 feet or less of finished tubing and shall be flattened between parallel plates to three times the wall thickness of the tube. The weld shall be placed at a point of 90 degrees from the direction of applied force. Any cracking or flaws revealed by this test shall be cause for rejection. Superficial ruptures resulting from minor surface imperfections shall not be cause for rejection. REVERSE FLATTENING TEST — A section at least four inches in length shall be taken from every 1500 feet or less of finished tubing and split longitudinally 90 degrees on each side of the weld and the sample opened and flattened. There shall be no evidence of cracks or lack of penetration or overlaps resulting from flash removal in the weld.

SAE J525 Hydraulic Tubes Welded Hydraulic Tubing

EXPANSION TEST — A suitable specimen shall be taken from each 1500 feet or less of tubing and subjected to an expansion over a plug. The outside diameter must be expanded 25 percent throughout a length equal to the outside diameter of the tubing or one inch, whichever is greater. There shall be no evidence of cracking in this test.

PRESSURE OR ELECtrICAL TEST — Tubing supplied under this specification shall have been hydrostatically tested at a fibre stress of 20,000 psi or at an actual pressure of 5,000 psi, whichever is less, based on the applicable minimum wall, or tested by use of a nondestructive electrical test approved by purchaser.

SAE J525 Hydraulic Tubes Dimensions

When tubing is specified by outside diameter and inside diameter, the tolerances shown in the table shall apply.

Nominal Outside Diameter, Inches	OD inches	ID inches
3/8	±0.002	±0.005
Over 3/8 to 5/8 inclusive	±0.0025	±0.0025
Over 5/8 to 2 inclusive	±0.003	±0.003
Over 2 to 2-1/2 inclusive	±0.004	±0.004

When tubing is specified by the outside diameter (or the inside diameter) and the nominal wall thickness, the tolerances for the specified diameter shall apply and the wall thickness shall not vary more than plus or minus 10 percent.

Countries We Supply to

Oman, Iran, Finland, Jordan, Ecuador, Tibet, Nigeria, Malaysia, Italy, Hong Kong, United Kingdom, Venezuela, Algeria, Namibia, Croatia, Poland, Gabon, Iran, Norway, Azerbaijan, Iraq, Mexico, Egypt, Argentina, Pakistan, Lithuania, Bhutan, Costa Rica, China, Colombia, Peru, Thailand, Ukraine, Singapore, Japan, South Korea, New Zealand, Morocco, Kenya, Belarus, Brazil, Turkey, Kazakhstan, Hungary, Germany, United States, Vietnam, Sri Lanka, Ireland, Czech Republic, India, Gambia, United Arab Emirates, Lebanon, Mongolia, Portugal, Nigeria, Bahrain, Kuwait, Yemen, Romania, Indonesia, Chile, Nepal, Ghana, Saudi Arabia, France, Taiwan, Qatar, Denmark, Austria, Afghanistan, Spain, Mexico, Belgium, Puerto Rico, Slovakia, Serbia, South Africa, Chile, Bangladesh, Libya, Greece, Russia, Switzerland, Trinidad & Tobago,Tunisia, Bulgaria, Estonia, Canada, Bolivia, Sweden, Poland, Australia, Philippines, Angola, Israel, Zimbabwe, Macau, Netherlands.

Countries We Export To

Kuwait, Bolivia, Peru, Pakistan, Brazil, Bhutan, Nepal, Canada, Kazakhstan, Trinidad & Tobago,Tunisia, Israel, Lithuania, Argentina, Belarus, Yemen, Ghana, Switzerland, Belgium, Nigeria, Gambia, Spain, Sri Lanka, Vietnam, Oman, Finland, Egypt, Mexico, Mongolia, Sweden, Norway, Morocco, Saudi Arabia, Gabon, Algeria, South Africa, Germany, Bulgaria, Iran, South Korea, Qatar, Estonia, Costa Rica, Azerbaijan, Iran, Hong Kong, United States, Greece, Russia, Iraq, Kenya, Malaysia, Taiwan, Bahrain, Netherlands, Angola, Zimbabwe, Lebanon, Tibet, Colombia, Italy, New Zealand, Philippines, Namibia, Poland, Chile, France, Romania, Serbia, Indonesia, Australia, Turkey, India, Ecuador, Slovakia, Hungary, Chile, Bangladesh, Denmark, Singapore, Czech Republic, Ireland, United Kingdom, Venezuela, Libya, Mexico, Japan, Austria, Afghanistan, Ukraine, Puerto Rico, Croatia, United Arab Emirates, Poland, Macau, Portugal, Nigeria, Thailand, China, Jordan.