1,We Manufacturing processes are primarily classified into four types:
1:Forging,
2:Casting,
3:Cutting,
4:Rolling.
2,We can manufacture in accordance with these standards.
Standards:
GB Series (Chinese Standards), JB Series (Machinery Standards), HG Series (Chemical Industry Standards), ASME B16.5 (American Standards), BS4504 (British Standards), DIN (German Standards), and JIS (Japanese Standards).
Internationally, there are two primary systems of pipe flange standards: the European system, represented by the German DIN standards (including those of the former Soviet Union), and the American system, represented by the US ANSI pipe flange standards. Other common standards include: the Chinese Ministry of Machinery Industry standards (JB series), the Ministry of Chemical Industry standards (HG series), the Chinese National Standard *GB/T 9112–9124-2010 Steel Pipe Flanges*, as well as US standards (ASME B16.5), British standards (BS4504), German standards (DIN), Japanese standards (JIS), and marine standards (CBM), among others.
The nominal pressure ratings for the PN series are designated by "PN" and comprise the following nine levels: PN2.5, PN6, PN10, PN16, PN25, PN40, PN63, PN100, and PN160.
The nominal pressure ratings for the Class series are designated by "Class" and comprise the following six levels: Class150, Class300, Class600, Class900, Class1500, and Class2500.
Flange Classification
1. **According to Chemical Industry Standards:** Flanges are classified as follows:
Plate Flat Welding Flange (PL), Necked Flat Welding Flange (SO), Necked Butt Welding Flange (WN), Integral Flange (IF), Socket Welding Flange (SW), Threaded Flange (Th), Butt Welding Ring Loose Flange (PJ/SE), Blind Flange (BL), Flat Welding Ring Loose Flange (PJ/PJ), and Lined Blind Flange (BL(s)).
2. **According to Petrochemical (SH) Industry Standards:** Flanges are classified as follows:
Threaded Flange (PL), Butt Welding Flange (WN), Flat Welding Flange (SO), Socket Welding Flange (SW), Loose Flange (LJ), and Blind Flange (no specific designation).
3. **According to Machinery (JB) Industry Standards:** Flanges are classified as follows:
Integral Flange, Butt Welding Flange, Plate Flat Welding Flange, Butt Welding Ring Plate Loose Flange, Flat Welding Ring Plate Loose Flange, Lap Joint Ring Plate Loose Flange, and Blind Flange.
4. **According to Connection Method/Type:** Flanges are classified as follows:
Plate Flat Welding Flange, Necked Flat Welding Flange, Necked Butt Welding Flange, Socket Welding Flange, Threaded Flange, Blind Flange, Necked Butt Welding Ring Loose Flange, Flat Welding Ring Loose Flange, Ring-Type Joint (RTJ) Flange and Blind Flange, Large-Diameter Plate Flange, Large-Diameter High-Neck Flange, Figure-8 Blind Plate, Butt Welding Ring Loose Flange, etc.
5. **According to the Component Being Connected:** Flanges can be classified into Vessel Flanges and Pipe Flanges.
6. **According to Structural Type:** Flanges include Integral Flanges, Threaded Flanges, Flat Welding Flanges, Butt Welding Flanges, Lap Joint (Loose/Swivel) Flanges, and Blind Flanges.
A flange—also referred to as a flange plate or rim—is a component used to connect shafts to one another, or, more commonly, to join the ends of pipes. Flanges are also utilized at the inlet and outlet ports of equipment to facilitate connections between two devices—for instance, the flange on a speed reducer. A "flange connection" or "flanged joint" refers to a detachable joint assembly comprising three interconnected elements—a flange, a gasket, and bolts—that together form a sealed structural unit. In the context of piping systems, a "pipe flange" specifically denotes a flange used for plumbing within the installation; when applied to equipment, it refers to the inlet or outlet flange of that specific device. Flanges feature a series of holes through which bolts are inserted to securely fasten the two flanges together, while a gasket placed between the flanges ensures a leak-proof seal. Flanges are broadly categorized into three types: threaded (screw-in) flanges, welded flanges, and clamp-type flanges. Flanges are invariably used in pairs; threaded flanges are suitable for low-pressure piping applications, whereas welded flanges are required for systems operating at pressures exceeding 4 kilograms per square centimeter. A sealing gasket is inserted between the two flange plates, which are then firmly secured using bolts. The thickness of a flange—as well as the specifications of the bolts used to fasten it—vary depending on the specific pressure rating required for the application. When connecting equipment such as water pumps or valves to piping systems, the corresponding connection points on these devices are often manufactured in the shape of a matching flange; this method of attachment is also referred to as a "flange connection." Generally, any connecting component that utilizes bolts to join and seal the perimeters of two flat surfaces—such as the joints in ventilation ducts—is termed a "flange"; such components may collectively be classified as "flange-type parts." However, since such a connection often constitutes merely a *portion* of a larger device—for instance, the interface between a flange and a water pump—it would be inappropriate to classify the entire water pump itself as a "flange-type part." Conversely, smaller components—such as valves—that feature such flanged interfaces may indeed be appropriately categorized as "flange-type parts."
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Niagara LaSalle 1215 Cold Finished Steel Flange Bar Product Information
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Niagara LaSalle 1215 Cold Finished Steel Flange Bar Synonyms
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Niagara LaSalle 1215 Cold Finished Steel Bar Product Information
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# **Product Introduction: Niagara LaSalle 1215 Cold Finished Steel Bar**
**Niagara LaSalle 1215** is a premium-grade **cold finished, low-carbon, free-machining steel bar** specifically engineered to provide the **best possible combination of machinability and uniformity in cold forming operations** within the non-leaded free-cutting steel family. Produced under Niagara LaSalle's stringent quality standards, this material represents a refined variant of the classic 1212 grade, with modified sulfur and phosphorus levels that optimize both chip control and multi-directional ductility.
As a balanced free-machining steel, 1215 is designed for applications requiring extensive machining *and* some degree of post-machining cold forming, such as knurling, swaging, or crimping, where the extreme brittleness of higher-sulfur grades like 1213 would be problematic. It offers a practical compromise, delivering excellent machining performance while retaining marginally better mechanical integrity.
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## **1. Chemical Composition (Per AISI/SAE 1215)**
The composition is carefully adjusted from the 1212 standard to enhance consistency and formability.
| Element | Carbon (C) | Manganese (Mn) | Phosphorus (P) | Sulfur (S) |
| :--- | :--- | :--- | :--- | :--- |
| **Content** | 0.09 max | 0.75 - 1.05 | **0.04 - 0.09** | **0.26 - 0.35** |
| *Key Difference vs. 1212* | Lower Max | Similar Range | **Lower: 0.04-0.09 vs. 0.07-0.12** | **Higher: 0.26-0.35 vs. 0.16-0.23** |
| *Key Difference vs. 1213* | Lower Max | Similar Range | **Lower: 0.04-0.09 vs. 0.07-0.12** | Similar High Range |
**Key Characteristics of the Composition:**
* **High Sulfur, Controlled Phosphorus:** This is the defining balance:
* **High Sulfur (0.26-0.35%):** Ensures excellent chip-breaking and good machinability via abundant MnS inclusions.
* **Moderated Phosphorus (0.04-0.09%):** Lower than 1212/1213. Phosphorus is a potent solid-solution strengthener that increases brittleness. Reducing it slightly improves ductility, particularly in the transverse direction, allowing for limited cold forming after machining.
* **Very Low Carbon:** Maximizes softness and machinability while minimizing hardening during cold work.
* **Optimized for Combined Operations:** The chemistry is tailored for parts that are first machined and then subjected to light forming, providing better resistance to cracking during secondary operations than 1212 or 1213.
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## **2. Physical & Mechanical Properties (Cold Drawn Condition)**
The properties reflect its role as a ductility-enhanced free-machining steel.
| Property | Typical Value - Cold Drawn | **Engineering Significance** |
| :--- | :--- | :--- |
| **Yield Strength (0.2% Offset)** | **60,000 - 70,000 psi (414 - 483 MPa)** | Similar to 1212; adequate for light-duty fastening and non-structural uses. |
| **Tensile Strength** | 70,000 - 85,000 psi (483 - 586 MPa) | |
| **Elongation (in 2")** | **12%** (Minimum, Longitudinal) | **Marginally better ductility than 1212/1213** due to lower phosphorus, offering slightly improved toughness. |
| **Reduction of Area** | 25% | |
| **Hardness** | **121 - 179 HB** (68 - 88 HRB) | Soft, ensuring low cutting forces and good tool life. |
| **Machinability** | **~95-100% of 1212** | **Excellent, near-benchmark machinability.** May produce slightly longer chips than 1213 but with less tool abrasion. |
| **Surface Finish (As-Drawn/Machined)** | **32 - 63 µin Ra (0.8 - 1.6 µm)** / Very Good | Provides very good machined surface quality. |
| **Dimensional Tolerance** | Meets **ASTM A108** precision tolerances. | Essential for precision components. |
| **Cold Formability** | **Fair (Best among 1212/1213/1215 series)** | Can withstand light knurling, rolling, or bending post-machining better than 1212 or 1213, due to lower phosphorus content. |
| **Chip Characteristics** | Short to medium, easily broken chips | Good chip control suitable for automated machining. |
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## **3. Product Applications**
Niagara LaSalle 1215 Cold Finished Bar is ideal for components that require **high-speed machining followed by a secondary cold-forming operation**, where using a standard free-machining steel might lead to cracking.
* **Complex Fasteners:** **Bolts, screws, and specialty fasteners** that are machined and then have heads formed, knurled, or crimped.
* **Fittings & Connectors:** **Hydraulic fittings, compression fittings, and plumbing connectors** that are machined and later flared or swaged.
* **Shafts & Pins:** **Small shafts, dowel pins, or rollers** that may be machined and then have grooves knurled or ends upset.
* **Electrical Components:** **Terminals and connectors** requiring machining and subsequent bending or forming.
* **General Screw Machine Parts:** Where the specific job has experienced cracking with 1212/1213 during secondary operations.
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## **4. International & Equivalent Standards**
AISI 1215 is a less common but specific grade. Its unique P/S balance makes finding direct chemical equivalents challenging.
| Standard System | Equivalent / Comparable Grade | **Notes & Key Distinctions** |
| :--- | :--- | :--- |
| **AISI / SAE** | **1215** (Cold Drawn) | The direct U.S. standard, defined by high S and moderated P. |
| **ASTM** | **A108** | Governing standard for the cold-finished condition. |
| **UNS** | G12150 | Unified Numbering System. |
| **DIN (EN)** | **No direct equivalent.** Closest is **1.0737 (11SMn30)**. | European grades do not typically replicate this specific P/S balance. 1.0737 has higher P (~0.09-0.13%), making it more like 1212. |
| **ISO** | ISO 683-9: Type 1.0737 | The closest ISO standard, though not identical. |
| **JIS** | **SUM22** | Japanese equivalent in application, but chemistry differs. |
| **GB (China)** | **Y15** | Chinese free-cutting steel, similar in application. |
| **Proprietary** | **Variants of 12L14** | For pure machinability without the need for secondary forming, leaded grades are often used. 1215 offers a non-leaded alternative with better formability. |
**Key Distinction:** **1215 is the specialist grade within the non-leaded 12xx series for applications involving machining plus forming.** It fills the niche between the highly machinable but brittle 1213 and the more formable but less machinable 1117.
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## **5. Key Advantages & Considerations**
**Advantages:**
* **Optimized for Machining + Forming:** Uniquely balances good machinability with the best cold formability in its series, reducing cracking in secondary operations.
* **Excellent Machinability:** Maintains very high machining speeds and good tool life, close to the industry benchmark.
* **Non-Leaded Composition:** Avoids the environmental, health, and plating challenges associated with leaded steels like 12L14.
* **Consistent Performance:** Niagara LaSalle's production ensures uniform behavior for reliable high-volume manufacturing.
**Considerations:**
* **Lower Mechanical Strength:** Still a free-machining steel with low strength and poor toughness compared to non-resulfurized grades.
* **Poor Weldability:** **Not weldable.** The high sulfur content prevents reliable welding.
* **Limited Ductility:** While "better" than 1212/1213, its ductility is still very low by engineering standards. Severe forming is not possible.
* **Corrosion Susceptibility:** Requires protective coatings. MnS inclusions can promote pitting.
* **Less Common Grade:** May not be as readily available as 1212 or 12L14 from all distributors.
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**Disclaimer:** The properties listed are typical for cold-drawn 1215. This material is a specialized machining steel with limited mechanical utility. For critical applications, always consult **official Niagara LaSalle material certifications and technical data sheets**. Its successful use depends on understanding the specific demands of both the machining and subsequent forming processes.
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Niagara LaSalle 1215 Cold Finished Steel Bar Specification
Dimensions
Size:
Diameter 20-1000 mm Length <5075 mm
Size:We can customized as required
Standard:
Per your request or drawing
We can customized as required
Properties(Theoretical)
Chemical Composition
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Niagara LaSalle 1215 Cold Finished Steel Bar Properties
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Applications of Niagara LaSalle 1215 Cold Finished Steel Flange Bar
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Chemical Identifiers Niagara LaSalle 1215 Cold Finished Steel Flange Bar
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Packing of Niagara LaSalle 1215 Cold Finished Steel Flange Bar
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Standard Packing:
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Typical bulk packaging includes palletized plastic 5 gallon/25 kg. pails, fiber and Steel Flange drums to 1 ton super sacks in full container (FCL) or truck load (T/L) quantities. Research and sample quantities and hygroscopic, oxidizing or other air sensitive materials may be packaged under argon or vacuum. Solutions are packaged in polypropylene, plastic or glass jars up to palletized 1546 gallon liquid totes Special package is available on request. E FORUs’ is carefully handled to minimize damage during storage and transportation and to preserve the quality of our products in their original condition