Din 1624 Standard Pdf May 2026

The DIN 1624 standard may be a historical document, but its legacy lives on in every precision-stamped metal component around us. Whether you need a DIN 1624 standard PDF for legacy support, material traceability, or academic research, your best path is to purchase a digital copy from Beuth Verlag or use the standard's technical data to switch to a modern equivalent like EN 10139.

Remember: Always prioritize current safety and quality standards for new designs. But when an old drawing mentions DIN 1624, understanding this document will save you time, money, and compliance headaches.

Last updated: 2025. Due to potential updates in European harmonized standards, always check with your local standards body (DIN, CEN, ISO) for the most current material specifications.

The DIN 1624 standard primarily refers to two distinct industrial categories: technical delivery conditions for cold-rolled steel strip and specifications for 4-prong tee nuts used in furniture and wood construction. 1. DIN 1624: Steel Flat Products (Historical/Technical)

This version of the standard covers cold-reduced, mild, unalloyed steel strip. Note that this standard has been largely superseded by DIN EN 10139 in modern engineering.

Scope: Applies to flat products (strip, bars, or plates cut from it) with widths up to 650 mm and thicknesses up to 6 mm.

Intended Use: For mechanical treatment and surface refining (not for quench hardening or tempering). Key Steel Grades: St 2, St 3, St 4, RRSt 3, and USt 3. Core Properties:

Mechanical: Focuses on elasticity, plasticity (permanent deformation without damage), and impact toughness.

Chemical: Regulates levels of Carbon (hardness), Silicon (strength), and Manganese (firmness). 2. DIN 1624: 4-Prong Tee Nuts (Hardware Specification)

In the fasteners industry, DIN 1624 defines the dimensions and technical requirements for "Tee Nuts with Prongs," which are driven into wood to create a threaded connection.

Application: Furniture manufacturing and wood structures (chipboard, plywood, lumber).

Standard Materials: Carbon steel (often Zinc Plated) or Stainless Steel (Grade A2 or A4). Common Dimensions (Metric): Thread Size Outer Diameter ( Total Height ( Prong Height ( M4 M5 M6 M8 M10 Detailed specifications can be found at Fuller Fasteners. 3. Content of the PDF Document

If you are looking for a full PDF, the standard typically includes these sections: Scope: Product types and dimensions.

Definitions: Clarification of "strip" and cold reduction processes.

Materials: Chemical composition and permissible steel grades.

Requirements: Tensile strength, yield point, and surface finish.

Testing: Inspection units, sampling methods, and test procedures. Delivery: Marking, oiling, and packaging standards. Go to product viewer dialog for this item.

4-Pronged Tee Nut DIN 1624 Carbon Steel & Stainless Steel T Nuts

Title: The Ultimate Guide to DIN 1624: Steel Flat Wire Properties, Applications, and the PDF Question

Introduction

In the world of precision engineering, the smallest components often carry the biggest responsibilities. When it comes to flat steel wire used for springs, clips, and formed parts, one German standard has stood the test of time: DIN 1624.

If you have been searching for a "DIN 1624 standard PDF," you are likely either specifying material for a high-stress component or trying to decode an old drawing. This post will explain what DIN 1624 covers, its chemical and mechanical requirements, its current status (active or superseded), and—most importantly—where to legally find the official standard.

What is DIN 1624?

DIN 1624 is a German industry standard titled "Steel Flat Wire; Tolerances on Height and Width; Shape and Mass." It specifically defines the technical delivery conditions for uncoated, cold-rolled flat steel wire intended for cold forming, primarily for the manufacture of springs and formed components.

Unlike general flat steel, DIN 1624 focuses on tight tolerances on the cross-section (height and width), edge condition (rounded or square), and specific mechanical properties required for reliable bending and spring performance.

Key Technical Specifications of DIN 1624

If you are working with this standard, you need to know these critical parameters:

Mechanical Requirements (Example for C67S per old DIN 1624)

Is DIN 1624 Still Valid? Important Status Update

This is the most critical part of your research. DIN 1624 was withdrawn (superseded) in 1997.

Why? Germany harmonized many of its steel standards with European (EN) and International (ISO) standards. DIN 1624 was replaced by several newer standards. You should check the current counterparts: din 1624 standard pdf

Note: If you find a "DIN 1624 PDF" online from a non-standard source (like a document sharing site), it is very likely the historical, withdrawn version. It can be useful for legacy part reproduction, but you should not use it for new product design without checking EN 10132-3.

Where to Find the Official DIN 1624 Standard PDF

You will not find a legally free, full-text version of DIN 1624 (or its EN replacements) on public websites. Standards are copyrighted intellectual property.

Warning: Avoid random PDF sites offering "free DIN 1624 download." These often contain outdated scans, incorrect tolerances, or malware. They are not valid for certified production.

Practical Applications: Where is DIN 1624 Steel Used?

Even though the standard is withdrawn, products made to its principles are everywhere:

Conclusion: Should You Use DIN 1624 or EN 10132?

Final Pro Tip: Always ask your steel supplier for a certificate of compliance showing the EN standard (e.g., EN 10132-3) and the equivalent legacy grade (e.g., "formerly C67S per DIN 1624"). This ensures traceability and material integrity.

Disclaimer: This post is for informational purposes. Always consult with a qualified materials engineer and obtain the official standard for legal and manufacturing compliance.

The DIN 1624 standard specifies requirements for mild unalloyed steel strip that is cold rolled. This steel is typically used for applications requiring good forming properties, such as drawing or bending, and is often supplied in coils or cut lengths. Key details regarding the standard: Mild unalloyed steel strip (cold rolled). Application:

General engineering, automotive parts, and deep-drawing components. Key Properties:

Defined chemical composition, mechanical properties (yield strength, tensile strength), and surface finish quality. To obtain the DIN 1624 standard PDF

, it is necessary to purchase it through authorized standards bodies, as these are copyrighted documents. You can find it at official sources such as: DIN Media (Beuth Verlag) : The official publisher for DIN standards. IHS Markit (S&P Global) ANSI Webstore

Note: Searching for free PDFs often leads to outdated documents or illegal copies. Always use official sources to ensure compliance with the current standard revision.

The DIN 1624 standard primarily specifies the technical delivery conditions for cold-rolled mild unalloyed steel strip. However, in modern industrial usage, this designation is most commonly associated with 4-prong tee nuts used in woodworking.

It is important to note that the original steel strip standard (DIN 1624:1987) has been largely superseded by DIN EN 10139 . 1. Steel Strip Specification (DIN 1624:1987)

This standard covers cold-reduced flat steel products (strip and cut lengths) made from mild unalloyed steels .

Dimensions: Applies to products with widths up to 650 mm and thicknesses up to 6 mm .

Material Grades: Includes grades like St 2, RRSt 3, and St 4 .

Characteristics: These steels are designed for cold forming and surface refinement but are not suitable for quench hardening or tempering .

Dimensional Deviations: Refers to DIN 1544 for specific tolerances and limit deviations . 2. Tee Nut Specifications (Common Commercial Usage)

In the hardware and fastener industry, "DIN 1624" refers to 4-Prong Tee Nuts (also called wood insert nuts) . Design

A flat flange with four integrated prongs that grip into wood or composite materials to prevent the nut from spinning . Materials

Typically manufactured from Carbon Steel (zinc-plated for corrosion resistance) or Stainless Steel (A2 grade) . Common Sizes

Ranges from M4 to M12 for standard furniture applications . Application

Widely used in furniture production (chipboard, plywood, solid wood) to create a flush, threaded connection . 3. Comparison of Common Dimensions (Tee Nuts) According to data from Fuller Fasteners and Dinmark:

Thread Pitch (P): 0.7 mm for M4, 0.8 mm for M5, 1.0 mm for M6, etc. .

Total Height (H): Typically ranges from 6 mm to 15 mm depending on thread size .

Flange Diameter (dc): Varies by size, e.g., ~15 mm for standard medium sizes . 4. Selection and Purchase Tips Din 1624 | PDF - Scribd

Understanding DIN 1624: The Standard for Cold Reduced Mild Unalloyed Steel Strip

DIN 1624 is a retired German quality standard developed by the Deutsches Institut für Normung (DIN) that specifies technical delivery conditions for cold reduced mild unalloyed steel strip The DIN 1624 standard may be a historical

. It primarily covers steel strips in widths not exceeding 650 mm. Scope and Technical Specifications

The standard outlines the requirements for steel grades intended for forming and surface refinement. Key technical highlights include: Steel Grades : A prominent grade mentioned under this standard is

, which represents a deep-drawing quality steel suitable for producing thin sheets in strips up to 3 mm thick. Surface Types

: DIN 1624 categorizes surface finishes into several grades, such as: : Darkly annealed. : Glossy annealed. : Surface without fissures and pores. : Glossy overglazed. Dimensions

: Dimensional tolerances and limits for products under this standard are typically governed by Mechanical Properties : It details properties like tensile strength ( cap R sub m ) and elongation ( ), often comparing grades like (skin passed) and (annealed). Gonvarri Precision Tubes Modern Status: Replacement by EN 10139

It is important for engineers and procurement specialists to note that DIN 1624 has been withdrawn

. While it was once the go-to German standard, it has been superseded by European standards to unify technical specifications across the EU. The primary modern equivalent is DIN EN 10139 Applications and Characteristics

Cold rolled strips conforming to this standard are favored for applications requiring close dimensional tolerances and specific surface finishes. Chesterfield Steel DIN 1624 - 1977-07

DIN 1624 Standard: A Comprehensive Overview

The DIN 1624 standard is a widely recognized specification in the industry, outlining the requirements for the manufacture and testing of certain types of steel products. In this article, we will provide an in-depth look at the DIN 1624 standard, its significance, and what it entails.

What is DIN 1624?

DIN 1624 is a German standard (Deutsches Institut für Normung) that specifies the technical delivery conditions for hot-rolled flat products made of non-alloy and alloy steels. The standard covers a range of steel products, including plates, sheets, and wide flats, with thicknesses up to 150 mm.

Scope of the Standard

The DIN 1624 standard applies to hot-rolled flat products made from non-alloy and alloy steels, which are used in a variety of applications, including:

Key Aspects of DIN 1624

The standard covers several key aspects, including:

Benefits of DIN 1624 Compliance

Compliance with the DIN 1624 standard offers several benefits, including:

Obtaining DIN 1624 Standard PDF

To access the DIN 1624 standard PDF, you can:

Conclusion

The DIN 1624 standard is a critical specification in the industry, ensuring that hot-rolled flat products made of non-alloy and alloy steels meet specific requirements for quality, reliability, and performance. Compliance with the standard offers several benefits, including improved quality, increased safety, and enhanced interchangeability. By understanding the standard and its requirements, manufacturers and users can ensure that steel products meet the necessary standards for various applications.

The DIN 1624 standard primarily covers the technical delivery conditions for cold reduced mild unalloyed steel strip with widths up to 650 mm and thicknesses up to 6 mm. 🛠️ Key Technical Specifications

The standard defines materials used for mechanical treatment and surface refining, such as electroplating, but not for quench hardening or tempering. Materials: Mild unalloyed steels (e.g., St 2, St 3, St 4). Dimensions: Widths ≤ 650 mm; Thicknesses ≤ 6 mm.

Surface Finishes: Options include bright (RPG), matt (m), or intended for electroplating (UG).

Mechanical Properties: Specifies tensile strength ranges, such as 290–450 N/mm² for St 2 K32. 🔩 Common Industry Application: Tee Nuts

While the core standard focuses on steel strip, the designation DIN 1624 is most commonly searched for in relation to 4-prong Tee Nuts (also called impact nuts or wood insert nuts) manufactured from this steel.

Design: Features a flange with 3 or 4 prongs that embed into soft materials like wood to prevent rotation. Common Sizes: Available in metric threads from M3 to M20.

Usage: Ideal for furniture, toys, and office equipment where a flush-mounted internal thread is needed. 📄 How to Access the PDF

The full-text DIN 1624 standard is a copyrighted document and is often withdrawn or replaced by newer EN ISO standards in professional contexts. Go to product viewer dialog for this item.

M3 M4 M5 M6 M8 M10 Carbon Steel Impact Nuts Captive T-Nuts 4 Claws, DIN 1624 | Galvanized | Flat | Metric | China The DIN 1624 standard primarily refers to two

The DIN 1624 standard is a widely referenced specification in the manufacturing industry, primarily covering two distinct areas: cold-rolled unalloyed steel strip and furniture "T-nuts" (driving nuts). While the standard for steel strip has been technically superseded by European norms, it remains a vital reference for legacy technical data and component manufacturing. Overview of DIN 1624

In the German standardization system, DIN 1624 historically defined the technical delivery conditions for cold-reduced mild unalloyed steel strip with widths up to 650 mm and thicknesses up to 6 mm. However, in modern fastener catalogs, "DIN 1624" is most commonly used to describe four-prong T-nuts, which are essential hardware in the furniture and woodworking industries. Technical Specifications for DIN 1624 T-Nuts

T-nuts produced according to this standard are designed to provide a threaded steel socket in wooden surfaces. The typical configuration includes a flat base with four sharp prongs that "bite" into the wood to prevent rotation during assembly. Specification Common Sizes M4, M5, M6, M8, M10, M12 Material Zinc-plated carbon steel or A2/A4 stainless steel Thread Type Standard Metric Field of Use Furniture assembly, cabinetry, and wooden structures Steel Strip Delivery Conditions (Legacy)

Before its partial withdrawal, the standard categorized mild steels into various grades (e.g., St 2, St 3, St 4) based on their mechanical properties and surface finishes:

Grades: Common grades like St 2 (1.0330) and St 4 (1.0338) are suitable for forming and surface refinement.

Surface Finishes: Options include bright (RPG), matt (m), and surfaces intended for electroplating (UG).

Equivalent Standard: For current projects requiring cold-rolled strip, DIN EN 10139 is the modern replacement. Where to Find the DIN 1624 Standard PDF

The official version of the standard is available through professional standards distributors: Din 1624 | PDF - Scribd

The DIN 1624 standard specifies the requirements for tee nuts with four prongs, a common type of fastener used primarily in woodworking and furniture manufacturing. These components allow a machine screw or bolt to be threaded into wood, providing a strong, permanent metal thread in a soft substrate. 1. Scope and Application

The DIN 1624 standard defines the dimensions, materials, and technical delivery conditions for pronged tee nuts. These nuts are designed to be hammered or pressed into a pre-drilled hole. The four prongs bite into the wood, preventing the nut from turning or falling out when the bolt is tightened.

Primary Use Cases: Flat-pack furniture, cabinetry, climbing wall holds, and speaker construction. Substrates: Softwood, hardwood, plywood, and particleboard. 2. Dimensional Specifications

The standard covers a range of sizes, typically from M3 to M10 (though some manufacturers extend this range). Key dimensions specified in the DIN 1624 include: Thread Diameter ( ): The internal metric thread size. Flange Diameter (

): The wide base that prevents the nut from being pulled through the wood. Sleeve Height ( ): The length of the threaded barrel. Sleeve Diameter (

): The outer diameter of the barrel, which dictates the drill bit size needed for installation. 3. Material and Finish

According to the standard, these fasteners are generally manufactured from materials that allow for the forming of the prongs without cracking.

Materials: Typically steel (carbon steel) or stainless steel (A2 or A4) for corrosion resistance. Surface Treatment: Common finishes include:

Zinc Plated (Galvanized): Provides standard corrosion protection (clear or yellow chromate).

Plain/Oiled: Uncoated steel for applications where finish is irrelevant or the part will be painted. 4. Technical Requirements

The DIN 1624 ensures that the hardware meets specific mechanical thresholds:

Thread Accuracy: Must comply with ISO metric thread standards (typically 6H tolerance).

Prong Integrity: The prongs must be sharp and rigid enough to penetrate wood fibers without bending prematurely.

Load Bearing: While the wood usually fails before the metal nut, the flange must be thick enough to resist "pull-through" forces under high torque. 5. Installation Process

The standard implicitly supports a three-step installation logic:

Drilling: A hole is drilled with a diameter slightly larger than the sleeve diameter (

Insertion: The tee nut is placed into the hole from the opposite side of the bolt entry.

Seating: The nut is driven in with a hammer or pulled into place using a bolt and washer, seating the prongs flush with the surface. Summary Table: Common DIN 1624 Dimensions (Approximate) Flange Ø ( Sleeve Height ( Drill Hole Ø M5 M6 M8 M10 To help you further, Compare DIN 1624 with ISO or ANSI equivalents? Get advice on drill bit sizes for specific wood types?

The "bright" aspect of the steel strip was crucial. The DIN 1624 standard PDF details three primary surface finishes:

The standard primarily covered mild steel strips made from unalloyed steels. The "cold-rolled" aspect is critical; this process involves passing the steel through rollers at room temperature, which increases the strength through work hardening and results in a superior surface finish compared to hot-rolled steel.

Engineering universities often maintain archives of historical standards.

If you are searching for a free DIN 1624 standard PDF, you will quickly notice that most links are dead, lead to commercial archives, or redirect to newer standards. This is because DIN 1624 was officially withdrawn in December 1991.

The reason for withdrawal is harmonization. In the early 1990s, Germany adopted a wave of European (EN) standards to replace national standards. The content of DIN 1624 was merged and superseded by DIN EN 10270-1 (Steel wire for mechanical springs – Part 1: Patented cold-drawn unalloyed spring steel wire).

Therefore, no active DIN standard legally authorizes the use of DIN 1624 for new product certifications. However, the standard remains relevant for: