Spherical ASTM A414 Grade A Pressure Vessel Steel Powder

ASTM A414 Grade A Pressure Vessel Steel Spherical Powder, Composition Spec Product Information -:- For detailed product information, please contact sales. -: ASTM A414 Grade A Pressure Vessel Steel Spherical Powder, Composition Spec Synonyms -:- For detailed product information, please contact sales. -: -:- For detailed product information, please contact sales. -: Spherical ASTM A414 Grade A Pressure Vessel Steel Powder characteristics -:- For detailed product information, please contact sales. -: Spherical ASTM A414 Grade A Pressure Vessel Steel Powder Particle Size -:- For detailed product information, please contact sales. -: -:- -:- 0-15μm ,5-25μm, 15-45μm, 15-53μm,20-63um, 45-75μm, 45-105μm, 45-150μm ,75-150μm. (Various granularities can be customized according to customer requirements) -:- For detailed product information, please contact sales. -:

Spherical ASTM A414 Grade A Pressure Vessel Steel Powder Applicable processes -:- For detailed product information, please contact sales. -: Laser/electron beam additive manufacturing (SLM/EBM, 3D printing) Direct laser deposition (DLD) Used in thermal spray (TSA) Powder hot isostatic pressing (HIP) Metal injection molding (MIM) Powder metallurgy (PM) Laser cladding (LC), etc. -:- For detailed product information, please contact sales. -: Spherical ASTM A414 Grade A Pressure Vessel Steel Powder Chemical Composition -:- For detailed product information, please contact sales. -: -:- For detailed product information, please contact sales. -: ASTM A414 Grade A Pressure Vessel Steel, Composition Spec Product Information -:- For detailed product information, please contact sales. -: ### **Product Name:** ASTM A414 Grade A Pressure Vessel Steel (Composition Specified) **Classification:** Carbon Steel Sheet for Pressure Vessels (Light Gauge) --- ### **1. Overview** ASTM A414 Grade A (with composition specified) is a standard specification for **carbon steel sheets** intended for fusion-welded pressure vessels. It is part of the **ASTM A414** family, which differs significantly from plate specifications like A285 or A516. A414 is designed specifically for **lighter gauge materials** (typically under 0.229 inches / 5.8 mm), commonly used in the fabrication of shells, heads, and other components of shop-fabricated, firebox, and other types of cylindrical pressure vessels. The **"Composition Specified"** designation (as opposed to "Physical Specified") means the material is ordered and produced to meet defined chemical composition limits, with mechanical properties reported for information but not as a mandatory requirement for acceptance. This offers flexibility to manufacturers in optimizing production. ### **2. Chemical Composition (Weight %, Heat Analysis)** Per ASTM A414/A414M. Chemistry is the primary control criterion for this grade. | Element | Minimum (%) | Maximum (%) | Notes | |---------|------------|------------|-------| | **Carbon (C)** | - | 0.18 | Low carbon for excellent formability and weldability, critical for thin sheets. | | **Manganese (Mn)** | 0.45 | 0.70 | Controlled range to ensure adequate strength and ductility without compromising formability. Lower max than typical plate grades. | | **Phosphorus (P)** | - | 0.035 | Standard impurity control. | | **Sulfur (S)** | - | 0.040 | Standard impurity control. | | **Silicon (Si)** | 0.10 | 0.30 | Ensures the steel is killed (deoxidized) for a uniform, sound structure suitable for severe forming. | | **Copper (Cu)** *when specified* | 0.20 | - | Optional element for enhanced atmospheric corrosion resistance. | **Key Point:** For "Composition Specified" Grade A, the **chemical composition must conform to the above limits**. Tensile and yield strength are determined by the manufacturer's process and are reported for information but **are not used as a basis for rejection**. This is the opposite of "Physical Specified" grades where mechanical properties are mandatory. ### **3. Physical & Mechanical Properties** *Properties are typical for commercially produced material meeting the composition spec, supplied in the hot-rolled or cold-rolled condition.* **Reported Mechanical Properties (Typical, for information):** * **Tensile Strength (Rm):** 45,000 - 60,000 psi (310 - 415 MPa) [Reported Value] * **Yield Strength (Re, 0.2% offset):** 25,000 - 35,000 psi (170 - 240 MPa) [Reported Value] * **Elongation (A, min in 2 in.):** 25% min (Typical requirement for similar forming steels) **Impact Properties:** * **Not Required:** ASTM A414 does **not** require Charpy V-notch impact testing. Therefore, it is **not intended for low-temperature service** where risk of brittle fracture exists. Use is generally restricted to temperatures above 32°F (0°C). **Physical Properties (Typical):** * **Density:** 0.284 lb/in³ (7.85 g/cm³) * **Modulus of Elasticity:** 29 x 10⁶ psi (200 GPa) ### **4. Key Characteristics** * **Optimized for Light Gauge & Forming:** Specifically engineered for thin sheets that undergo severe forming operations (e.g., pressing into heads, rolling into shells). * **Composition-Driven Quality:** Consistency is ensured through tight chemical control, which directly influences formability and weldability. * **Excellent Weldability:** Very low carbon equivalent ensures ease of welding with all standard processes. * **Cost-Effective for Thin Sections:** Provides a pressure vessel quality material at an economical cost for applications where thick plates are not required. * **Flexibility for Manufacturers:** The "Composition Specified" option allows steel mills to optimize rolling parameters to achieve the best combination of surface quality and formability while meeting the chemical specs. ### **5. Product Applications** ASTM A414 Grade A (Comp Spec) is used in the fabrication of pressure vessels where wall thickness is relatively low: * **Shop-Fabricated Pressure Vessels:** Air receivers, small storage tanks, hydraulic reservoirs. * **Firetube Boiler Shells:** The cylindrical shells of packaged firetube boilers. * **Vessel Heads:** Dished, hemispherical, or flanged-and-dished heads formed from sheet. * **Heat Exchanger Shells & Channels:** For lighter-duty service. * **Compressed Air Tanks:** Standard industrial receivers. * **Ductwork & Breechings:** For pressurized systems. ### **6. International Standards & Specifications** | Region | Standard & Designation | Scope / Notes | |--------|----------------------|---------------| | **USA / ASTM** | **ASTM A414/A414M** | Standard Specification for **Carbon Steel Sheet** for Pressure Vessels. Defines Grades A, B, C, D, E, F, G. | | **USA / ASME** | **ASME SA-414** | Identical to ASTM A414 when adopted into the ASME Boiler and Pressure Vessel Code. | | **European Union (EU)** | **EN 10028-2 / EN 10029** | Direct sheet equivalents are less common. For similar applications, **P235TR1/TR2** (EN 10028-1) or **P245GH** (EN 10028-2) in sheet form might be specified, though these are typically normalized and have mechanical property requirements. | | **Japan** | **JIS G3116 SPV 235** | Steel plates and sheets for pressure vessels for intermediate and moderate temperature service, with similar strength levels. | **Important Distinction:** A414 is for **sheets** (typically from coils). For **plates** of similar strength but with mandatory mechanical properties, see **ASTM A285**. ### **7. Available Forms & Processing** * **Standard Forms:** Supplied as **sheets** or **strip**, in cut lengths or coils. * **Condition:** Typically supplied as **hot-rolled** or **cold-rolled**. May be supplied with a commercial bright (smooth) finish suitable for painting. * **Fabrication:** * **Forming:** **Excellent formability** is its primary attribute. Suitable for deep drawing, bending, and spinning. * **Welding:** Excellent weldability using SMAW, GMAW, GTAW. Pre-heat is rarely needed for thin gauges. * **Shearing & Punching:** Performs well with standard cutting operations. ### **8. Selection Guidance** **Choose ASTM A414 Grade A (Comp Spec) when:** * Fabricating vessels from **thin sheet material** (generally < 0.25 in./6mm). * The component requires **severe cold forming** (e.g., head pressing). * The application is for **low to moderate pressure, ambient temperature service**. * You prioritize **formability and cost** over guaranteed tensile strength levels. **Do NOT select this grade if:** * The design requires **mandatory minimum yield/tensile strength** (choose "Physical Specified" or another spec like A516). * The vessel will operate at **low temperatures** (choose an impact-tested grade like A516). * The wall thickness requires **plate material** (choose A285 or A516). --- **Disclaimer:** This datasheet is for informational purposes. **ASTM A414 Grade A is not intended for low-temperature or high-pressure critical service.** When ordering "Composition Specified" material, mechanical properties are not guaranteed. For pressure vessel construction, compliance with the applicable design code (e.g., ASME Section VIII) is mandatory, which may impose additional material requirements. Always consult the latest **ASTM A414/A414M** specification and involve a qualified materials engineer for critical applications. -:- For detailed product information, please contact sales. -: ASTM A414 Grade A Pressure Vessel Steel, Composition Spec Specification Dimensions Size： Diameter 20-1000 mm Length <7389 mm Size:We can customized as required Standard： Per your request or drawing We can customized as required Properties（Theoretical） Chemical Composition -:- For detailed product information, please contact sales. -: ASTM A414 Grade A Pressure Vessel Steel, Composition Spec Properties -:- For detailed product information, please contact sales. -:

Spherical ASTM A414 Grade A Pressure Vessel Steel Powder Particle Size Description -:- For detailed product information, please contact sales. -: Applications of Spherical ASTM A414 Grade A Pressure Vessel Steel Powder -:- For detailed product information, please contact sales. -: -:- For detailed product information, please contact sales. -: Applications of ASTM A414 Grade A Pressure Vessel Steel Spherical Powder, Composition Spec -:- For detailed product information, please contact sales. -: Chemical Identifiers ASTM A414 Grade A Pressure Vessel Steel Spherical Powder, Composition Spec -:- For detailed product information, please contact sales. -:

Packing of ASTM A414 Grade A Pressure Vessel Steel Spherical Powder, Composition Spec -:- For detailed product information, please contact sales. -: Standard Packing: -:- For detailed product information, please contact sales. -: Typical bulk packaging includes palletized plastic 5 gallon/25 kg. pails, fiber and Steel Spherical Powder 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 3860 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