316 Stainless Steel Rectangular Bar, Unpolished (Mill) Finish, Annealed, ASTM A276, 3/16″ Thickness, 1-1/2″ Width, 36″ Length, OnlineMetals

Description

Product Overview

The 316 stainless steel rectangular bar offered by OnlineMetals is engineered for durability and performance in the most demanding industrial settings. Crafted from premium 316 grade alloy, the bar features an unpolished mill finish that preserves the natural texture of the metal while providing excellent resistance to pitting, crevice corrosion, and stress‑corrosion cracking. Each bar is annealed to achieve a uniform grain structure, enhancing tensile strength and ductility. With precise dimensions of 3/16″ thickness, 1-1/2″ width, and 36″ length, the bar meets ASTM‑A240, ASTM‑A480, and ASTM‑A666 specifications, guaranteeing consistency across batches. The product is shipped in a compact package measuring 36 x 1.5 x 0.25 inches and weighing 2.8 pounds, making it easy to handle and store.

Usage

Designed for a broad spectrum of applications, this 316 stainless steel bar excels in environments where corrosion resistance and mechanical strength are paramount. It is a preferred material for marine hardware such as propeller shafts, pump casings, and deck fittings, where exposure to saltwater demands superior protection. In the aerospace sector, the bar is used for structural components, brackets, and fasteners that must endure cyclic stresses and temperature extremes. Food processing facilities rely on the hygienic properties of 316 stainless steel for conveyor rollers, cutting tools, and sanitary fittings, ensuring compliance with strict health regulations. Additionally, the bar serves well in oil and petroleum equipment, pulp and paper machinery, textile processing, and architectural elements that require a blend of aesthetic appeal and long‑term durability.

Why Choose Us

OnlineMetals distinguishes itself through a commitment to quality, transparency, and customer satisfaction. Every bar is sourced from reputable mills that adhere to rigorous quality control protocols, and each piece undergoes thorough inspection for dimensional accuracy, surface integrity, and material composition. Our inventory is continuously refreshed, ensuring that you receive the latest production runs with traceable mill certifications. We provide detailed product data sheets, including chemical analysis and mechanical property charts, so engineers can make informed decisions. Our responsive support team is available to answer technical queries, assist with custom cutting requests, and guide you through compliance documentation. With fast shipping, secure packaging, and a hassle‑free return policy, OnlineMetals delivers a seamless purchasing experience that supports both small‑scale projects and large‑volume industrial orders.

Key Features

• High‑strength annealed construction delivers reliable load‑bearing capacity.
• Unpolished mill finish provides natural corrosion resistance without additional coating.
• Meets ASTM‑A240, A480, and A666 standards for consistent quality across batches.
• Versatile dimensions fit a wide range of marine, aerospace, and food‑processing applications.
• Dedicated customer support and fast, secure shipping for peace of mind.

FAQ

What is the corrosion resistance rating of 316 stainless steel?

316 stainless steel offers superior resistance to chlorides and saline environments, making it ideal for marine and chemical processing applications where exposure to saltwater or aggressive chemicals is common.

Can the bar be cut to custom lengths?

Yes, OnlineMetals provides precision cutting services. You can request custom lengths or additional machining, and our team will work with you to meet exact specifications while maintaining material integrity.

Does the product comply with any industry certifications?

The bar conforms to ASTM‑A240, ASTM‑A480, and ASTM‑A666 specifications, ensuring it meets recognized standards for chemical composition, mechanical properties, and heat‑treatment processes.

Is the unpolished finish suitable for sanitary applications?

While the unpolished mill finish provides excellent corrosion resistance, it can be passivated or finished to a smoother surface if a higher level of cleanliness is required for strict sanitary environments.

What is the typical lead time for shipping?

Standard orders are processed and shipped within 1‑2 business days. Expedited shipping options are available for urgent projects, and tracking information is provided for all shipments.