SAE 100R1AT is a single steel-wire-braid hydraulic hose type intended for hydraulic systems that need a flexible connection for conveying fluid under pressure. Its common construction consists of an oil-resistant inner tube, one layer of steel-wire-braid reinforcement, and a protective rubber cover. The correct hose depends on its diameter, working pressure, fluid, temperature, routing, and end connections—not on the hose designation alone. In this guide, we explain what to check before specifying or sourcing SAE 100R1AT hose.
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This guide is for equipment manufacturers, maintenance teams, distributors, and procurement professionals sourcing hydraulic hose for industrial or mobile equipment. It is especially useful when a project specification names SAE 100R1AT but does not yet define all operating conditions. We recommend treating the designation as a starting point for technical review rather than as a complete purchasing specification. That approach helps buyers compare products and avoid choosing by nominal size alone.
SAE 100R1AT is commonly used to describe a one-wire-braid hydraulic hose type within the SAE J517 hose family. The “R1” designation refers to the hose type, while “AT” is used in product descriptions for a textile-impression cover style. Exact construction details and requirements should be checked against the applicable standard edition and the manufacturer’s product documentation. Buyers should confirm the marking and specification with their supplier if a contract or machine specification requires a particular standard revision.
The inner tube is generally made from synthetic rubber selected for compatibility with hydraulic fluids. A high-tensile steel-wire braid provides reinforcement, while an outer rubber cover protects the reinforcement from the surrounding environment. The materials and compounds can vary by manufacturer, so the generic hose designation should not be taken as proof of compatibility with every fluid or service condition. For special fluids or demanding environments, request written confirmation for the exact hose model.
A hose specification should include more than its type and nominal inside diameter. We advise buyers to compare the technical data for the exact size and construction being quoted, because key values can differ across sizes and product ranges. Common nominal inside diameters include 6.3 mm (1/4 in), 9.5 mm (3/8 in), and 12.7 mm (1/2 in); these examples identify size options, not a complete range or a pressure rating. Confirm dimensions and tolerances on the supplier’s current datasheet.
| Specification | What to confirm | Why it matters |
|---|---|---|
| Inside diameter | Nominal size and dimensional tolerance | Affects flow capacity and connection fit. |
| Working pressure | Rated pressure for the selected size and hose model | Must suit system operating conditions. |
| Temperature range | Permitted range for the hose and conveyed fluid | Heat and cold can affect hose serviceability. |
| Bend radius | Minimum radius for the selected size | Helps prevent installation with an overly tight bend. |
| Fluid compatibility | Compatibility of the tube and fluid under intended conditions | Materials must be suitable for the actual fluid. |
| Fittings and assembly | End type, size, crimping requirements, and assembly guidance | Hose and fittings must function as a compatible assembly. |
Do not substitute burst pressure for working pressure when assessing a system. Burst pressure is not the normal operating limit, and a hose’s rated working pressure may depend on its size and construction. We recommend comparing the manufacturer’s stated working pressure with the equipment requirement and reviewing any applicable system safety factors with a qualified engineer. If the system experiences pressure surges, include those conditions in the technical discussion with the hose supplier.
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SAE 100R1AT hose may be considered for hydraulic lines in machinery and equipment where the specified hose type, size, pressure rating, fluid compatibility, and environment are suitable. Potential applications include hydraulic circuits on industrial equipment, mobile machinery, and general hydraulic installations. Suitability must be established for the specific application; a general category name does not confirm that a particular hose is appropriate for every machine. Use the equipment manufacturer’s requirements and the hose datasheet as the basis for selection.
Start by recording the operating fluid, normal and peak pressure conditions, fluid temperature, ambient exposure, and required inside diameter. Next, map the hose route and identify movement, vibration, abrasion exposure, and available space around fittings. Compare the proposed installation with the supplier’s bend-radius and routing guidance, and avoid twisting or forcing the hose into position. Finally, verify that the fittings and assembly process are suitable for the selected hose model.
Hose pricing can depend on diameter, construction, order quantity, required fittings, packaging, and the destination market. Minimum order quantities and lead times are supplier- and order-specific, so we do not recommend relying on an assumed standard figure. For an accurate quotation, provide the required hose size, total length or quantity, application details, fitting information, and target delivery location. If the application has a deadline, state the required delivery date and ask the supplier to confirm availability and production timing in writing.
Before placing an order, ask the supplier for a current datasheet, product identification details, and confirmation of the quoted size and ratings. Check whether the quotation clearly states the hose construction, applicable specification, quantity, fittings if required, packaging, and delivery terms. For a technical application, share the operating conditions rather than asking only for a price, so the supplier can assess whether the proposed product matches your requirements. Keep the supplier’s written confirmation with the purchasing and maintenance records.
At Hengshui Xinchi Hose Manufacturing Co., Ltd., we supply rubber hose products and can discuss SAE 100R1AT requirements with B2B buyers. To help us review an inquiry, send the requested size, quantity, operating fluid, pressure and temperature conditions, application, fitting details, and destination. We can then respond based on the information provided and clarify which product details need confirmation before an order is finalized. Availability, customization, minimum order quantities, and lead times should be confirmed for each inquiry.
SAE 100R1AT is a single-wire-braid hydraulic hose type, but the designation alone is not enough to select a safe, suitable product. Confirm the exact size, working pressure, temperature limits, fluid compatibility, bend radius, and fitting requirements using the supplier’s documentation for the specific hose model. Then compare those details with the equipment specification and actual installation conditions. For your next step, prepare the application data and send it with your quantity and delivery requirements to Hengshui Xinchi Hose Manufacturing Co., Ltd. for a product and quotation discussion.
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