SAE 100R1AT is a hydraulic hose specification for a hose reinforced with one high-tensile steel-wire braid. It is commonly selected for hydraulic lines carrying compatible petroleum-based fluids, but the correct choice depends on bore size, working pressure, temperature, routing, and end connections. We recommend confirming the exact pressure and dimensional values against the supplier’s datasheet for the selected size rather than assuming one rating applies to every hose. This guide explains the construction, applications, selection process, and purchasing checks B2B buyers can use to assess SAE 100R1AT hydraulic hoses.
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This guide is for equipment manufacturers, hose assemblers, distributors, maintenance teams, and procurement professionals evaluating hydraulic hose for machinery or replacement programs. It is useful when comparing hose specifications, preparing an RFQ, or checking whether a proposed hose construction suits a particular hydraulic circuit. We focus on practical selection and sourcing considerations rather than treating a general specification as a substitute for a product datasheet. Final suitability should be confirmed against the equipment manufacturer’s requirements and the hose supplier’s documented ratings.
SAE 100R1AT describes a hose construction with an oil-resistant synthetic-rubber tube, one layer of braided steel-wire reinforcement, and a protective outer cover. The tube carries the hydraulic fluid, the reinforcement helps the hose withstand internal pressure, and the cover protects the assembly from external conditions such as abrasion and weather exposure. The “one-wire” designation refers to one braided reinforcement layer; it does not by itself define the working pressure for every hose size. Pressure capability depends on the selected bore and the manufacturer’s design and published product data.
Many SAE 100R1AT products are offered with a stated operating temperature range of approximately -40°C to +100°C, but this range is not universal across all manufacturers, fluids, or service conditions. Temperature limits may differ for particular media, including water-based fluids, and the fluid supplier’s compatibility guidance should also be considered. Check the hose datasheet for the allowable temperature range and any restrictions on the fluid type. Where conditions approach a stated limit, confirm suitability with the supplier before specifying the hose.
A product designation is only the starting point for specification review. Buyers should compare the actual dimensions and performance values for the size they intend to purchase, because pressure ratings and dimensions can vary by manufacturer. Request a current datasheet that identifies the applicable standard or construction, size, working pressure, burst pressure, minimum bend radius, and temperature range. Confirm whether the figures apply to the hose alone or to a complete hose assembly with fittings.
| Specification | What to verify | Why it matters |
|---|---|---|
| Inside diameter and dash size | Nominal size and actual dimensions in the supplier’s datasheet | Supports required flow and connection compatibility |
| Working pressure | Rating for the selected bore and the complete operating circuit | Helps ensure the hose is appropriate for system pressure and pressure variation |
| Temperature | Limits for both the hose and the conveyed fluid | Heat or cold can affect hose performance and service life |
| Bend radius | Minimum radius stated for the selected hose size | Helps avoid kinking or excessive stress during installation |
| Tube and cover compatibility | Fluid, environment, abrasion, and exposure conditions | Helps match materials to the actual service environment |
| End connections | Fitting type, thread, orientation, and assembly requirements | Prevents mismatch at installation and supports a complete RFQ |
SAE dash sizing is a useful communication tool, but it should not replace a dimensional check. As a reference, -04 corresponds to a nominal 1/4-inch inside diameter, -06 to 3/8 inch, and -08 to 1/2 inch. These are nominal bore references, not guarantees of the finished hose’s exact inside or outside diameter. Include the required size and dimensional tolerances in procurement documents where fit is critical.
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SAE 100R1AT hoses are commonly considered for hydraulic lines on industrial equipment, mobile machinery, agricultural equipment, and other systems where a single steel-wire braid construction is specified. Typical uses may include pressure lines and hydraulic connections, subject to the actual pressure, fluid, temperature, and installation conditions. The application label alone does not establish suitability: a hose appropriate for one circuit may be unsuitable for another circuit on the same machine. Verify the duty requirements for each hose location.
Start with the equipment documentation and identify the circuit’s normal and peak pressure, fluid type, temperature range, and required flow. Then confirm that the selected bore meets the system’s dimensional and flow requirements without exceeding the hose’s published limits. Review routing for tight bends, movement, vibration, external abrasion, and possible contact with hot surfaces. If the application includes unusual exposure or pressure pulses, provide those details to the supplier for review.
Pricing for SAE 100R1AT hose depends on factors such as size, construction details, order quantity, packaging, and whether the request is for bulk hose or assembled products. Minimum order quantities and lead times may also depend on the selected specification, production schedule, and delivery destination. We do not recommend relying on a generic price or delivery estimate without a defined product configuration. For a comparable quotation, send suppliers the required size, quantity, length, fittings if applicable, destination, and any documentation or inspection needs.
Before placing an order, ask the supplier to provide a product datasheet covering dimensions, working pressure, temperature range, bend radius, and material or construction description. Check that the quoted item matches the specification and application details you submitted, and clarify how product identification and batch traceability are handled. If you need samples, pre-shipment inspection, packaging details, or specific documents, include those requests in the RFQ and agree on them before order confirmation. Compare suppliers on specification clarity and communication as well as price.
At Hengshui Xinchi Hose Manufacturing Co., Ltd., we work with B2B buyers evaluating hydraulic rubber hoses, including SAE 100R1AT requirements. Share your target size, operating conditions, required quantity, and whether you need bulk hose or hose assemblies so we can review the request against the product information available for the proposed configuration. We can also clarify quotation details such as packaging, delivery requirements, and requested product documentation. Specific availability, specifications, and order terms should be confirmed for each inquiry.
SAE 100R1AT is a one-steel-wire-braid hydraulic hose construction that can suit applications where its documented pressure, temperature, fluid compatibility, and installation limits meet the circuit requirements. The most reliable selection process is to define the duty, verify the size-specific datasheet, check routing and fittings, and document the complete purchase specification. For your next step, prepare an RFQ with the hose size, operating conditions, quantity, and assembly details, then ask the supplier to confirm the proposed product against those requirements. Contact Hengshui Xinchi Hose Manufacturing Co., Ltd. with these details to discuss your sourcing inquiry.
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