QMS 9001:2015 Certified

Raw to Ready All Here

+91 6264131446

info@sunrise.industries

Industries

CNC Machining

CNC Machining

CNC Machining

CNC Machining

Tube Bending Services

At Sunrise Industries, we offer precision Tube Bending Services that meet the highest standards of quality and performance. Whether you need custom bends for automotive, aerospace, HVAC, or industrial applications, our advanced tube bending technology ensures accurate and repeatable results every time.
Get Quote
Our Tube Bending Services are designed to meet diverse industry requirements with exceptional precision. Using advanced CNC-controlled machinery, we can produce complex and multi-radius bends with minimal ovality and wrinkling. Whether it’s for fluid transfer systems, structural frameworks, or custom-designed products, our solutions are tailored to ensure performance and durability.
We work with a wide range of tube sizes and materials, including stainless steel, aluminum, copper, and carbon steel. From prototyping to full-scale production, our team ensures high-quality craftsmanship and timely delivery. Our quality control measures and attention to detail make us a reliable partner for industries like automotive, aerospace, construction, and manufacturing.

Overview of Tube Bending

Tube bending is a metal forming process used to permanently bend tubes into desired shapes and angles. It plays a crucial role in manufacturing industries where fluid flow, structural design, or compact assembly is required. From exhaust systems to hydraulic lines, tube bending allows the creation of smooth, continuous curves without cutting or welding.
Modern tube bending techniques include manual bending, rotary draw bending, roll bending, and CNC (Computer Numerical Control) bending. These methods offer precision, repeatability, and efficiency—especially for complex or tight-radius bends. With the ability to bend various metals such as stainless steel, aluminum, and copper, tube bending has become an essential process across industries like automotive, aerospace, HVAC, and heavy machinery.
Get Quote

Tube Bending Sizes and Tolerances

Our tube bending service is designed to align with common industry standards, ensuring a seamless and efficient manufacturing process. Tighter tolerances can be achieved following a manual review by an experienced project engineer. Below is a list of standards and tolerances applicable to our drawn and mandrel bending methods for round tube profiles.
  • Minimum tube diameter that can be bent: 0.250"
  • Maximum tube diameter that can be bent: 2.000"
  • Minimum wall thickness for bending: 0.035"
  • Maximum wall thickness for bending: 0.188"
  • Overall tube sheath envelope tolerance: ±0.125" (typical)
  • Linear dimension tolerance (excluding bend locations): ±0.010"
  • Tolerance for simple, single-plane bends: ±0.010"
  • Tolerance for complex or multi-plane bends: ±0.030"
  • Angularity tolerance: ±2 degrees
  • Tube centerline radius tolerance: ±0.125" (typical)
  • Tube end diameter tolerance: ±0.020"
  • Cut edges are typically made perpendicular to the surface; custom edge cuts must be agreed upon before order placement.

Tube Bending Material Options

Tube bending services are ideal for producing custom round tubes in various shapes and materials to meet specific application needs.
  • Stainless Steel 304 and 316, available in both welded and seamless forms, offer excellent resistance to rust and corrosion. This makes them well-suited for use in outdoor, wet, or marine environments. Among the two, 316 provides slightly superior corrosion resistance compared to 304.
  • Aluminum 6061, available in extruded or drawn forms, is a lightweight yet rigid tubing material that resists rust. It is widely used in applications such as lightweight structural frames and aircraft components.
  • Alloy Steel 4130, available in seamless form, is known for its exceptional strength and toughness. It is commonly used in high-performance applications such as race cars and aerospace structures. The seamless construction minimizes potential failure points, making it ideal for critical and demanding environments.
Get Quote

Round Tubing

Material Minimum O.D. Maximum O.D. Minimum wall thickness Maximum wall thickness
Stainless Steel 304 0.250" 2.000" 0.035" 0.188"
Stainless Steel 316 0.250" 2.000" 0.035" 0.120"
Aluminum 6061 0.250" 2.000" 0.035" 0.188"
Steel 4130 (Chromoly) 0.375" 2.000" 0.035" 0.188"
Steel A513 Type 5, DOM 0.250" 2.000" 0.035" 0.188"
Steel A513 Type 1, HREW 1.000" 2.000" 0.065" 0.120"
Steel A513 Type 2, CREW 0.500" 2.000" 0.035" 0.065"

Design Tips for Tube Bending

When designing parts for tube bending, there are several best practices you can follow to help streamline the quoting and manufacturing process. Below are a few design-for-manufacturing (DFM) tips to guide you. For more detailed insights, be sure to explore our complete guide on tube bending design tips.
  • For parts with multiple bends, it's best to maintain a consistent center line radius (CLR) throughout the design.
  • A recommended bend radius-to-tube diameter ratio ranges between 2:1 and 5:1, with a maximum suggested CLR of 6 inches.
  • Unless otherwise specified, all cuts and end features should be designed as normal-to-surface by default.
  • Bend distances should be at least 2X the outer diameter for tubes less than 1", 3X for 1"-2", and 4X for tubing with outer diameters greater than 2"
Get Quote

Industries Served

Tube bending is a versatile process that serves a wide range of industries. It is commonly used in everything from architectural structures and lighting fixtures to automotive exhaust systems. Below is a list of key sectors where tube fabrication and bending solutions are especially well-suited:
  • Aerospace & Defense
  • Automotive
  • Architectural & Lighting
  • Consumer Goods
  • Oil & Gas
  • Marine & Shipbuilding
  • Construction
Get Quote

Related Services

Laser Tube Cutting Services

Precision tube laser cutting for round, square, and rectangular metal tubes | Free standard shipping available worldwide | International prototype pricing includes all tariffs

Custom Online Weldment Services by Sunrise

Premium custom weldment services offered using a wide range of materials, fabrication methods, finishes, and more. Availability may vary, and service is not guaranteed at all times. Ask ChatGPT

Sheet Metal Fabrication Services

Get instant quotes for custom-formed sheet metal parts | Rapid turnaround for both prototypes and production runs | Free standard shipping across the U.S. | International prototype pricing includes applicable tariffs | Certified to ISO 9001:2015, ISO 13485, IATF 16949:2016, AS9100D | ITAR registered.

Laser and Sheet Cutting Services

Receive instant quotes for laser or waterjet cut parts | No minimum order requirements | Fast delivery within days | Free standard shipping available for both U.S. and international orders | International prototype pricing includes all tariffs | Certified to ISO 9001:2015, ISO 13485, IATF 16949:2016, AS9100D | ITAR registered.

As your one-stop manufacturing partner, Sunrise Industries maintains a complete inventory of ready-to-sell raw materials alongside custom parts fabrication and full engineering services. From prototyping to production, we provide everything at a single location—serving all industrial sectors and transforming manufacturing value chains.

    Capabilities

    Our Product

    Company

    Legal

    Instagram Facebook Linkedin

    2025 © Sunrise Industries | All Rights Reserved.

    Powered by Bitstreaks Technology