ASTM A633 HSLA Steel Capillary Grade E

ASTM A633 HSLA Steel Capillary Grade E, Thickness < 100 mm (4 in.) Product Information -:- For detailed product information, please contact sales. -: ASTM A633 HSLA Steel Capillary Grade E, Thickness < 100 mm (4 in.) Synonyms -:- For detailed product information, please contact sales. -:

ASTM A633 HSLA Steel Grade E, Thickness < 100 mm (4 in.) Product Information -:- For detailed product information, please contact sales. -: ### **Product Introduction: ASTM A633 Grade E HSLA Steel (Thickness < 100 mm)** **ASTM A633 Grade E** is a specialized normalized high-strength low-alloy structural steel plate designed for applications requiring exceptional toughness at extremely low temperatures. As the premium toughness grade within the ASTM A633 specification, Grade E provides outstanding impact properties while maintaining high strength levels, making it particularly suitable for critical structures operating in arctic conditions and other severe low-temperature environments for thicknesses up to 100 mm (4 inches). --- #### **1. Key International Standards** * **Primary Standard:** **ASTM A633/A633M** - Standard Specification for Normalized High-Strength Low-Alloy Structural Steel Plates * **Related International Standards:** * **EN 10025-4:** S355NL (Similar toughness level, normalized) * **ISO 4950:** GR 3 Type 4 (Extra high toughness grade) * **JIS G3126:** S355NL (Low temperature service application) * **GB/T 1591:** Q355E (Chinese equivalent for extreme low temperature service) * **CSA G40.21:** 355WT (Canadian extra-tough structural steel) --- #### **2. Chemical Composition (Heat Analysis, %)** | Element | Composition Range | Notes | |---------|-------------------|-------| | **Carbon (C)** | 0.20 max | Strictly controlled for optimal toughness | | **Manganese (Mn)** | 0.90-1.35 | Balanced for toughness and strength | | **Phosphorus (P)** | 0.035 max | Extra-low phosphorus for enhanced toughness | | **Sulfur (S)** | 0.04 max | Reduced sulfur for improved transverse properties | | **Silicon (Si)** | 0.15-0.50 | Deoxidizer and strength contributor | | **Copper (Cu)** | 0.20 min | Atmospheric corrosion resistance | | **Columbium (Cb)** | 0.005-0.05 | Fine grain practice for toughness | | **Vanadium (V)** | 0.01-0.10 | Controlled precipitation strengthening | *Note: Grade E features tighter control on impurities (P, S) and optimized microalloying to achieve exceptional low-temperature toughness while maintaining good strength levels.* --- #### **3. Mechanical Properties (Thickness < 100 mm)** **Tensile Properties:** | Property | Requirement | Typical Value | |----------|--------------|---------------| | **Yield Strength** | 50 ksi min (345 MPa) | 52-62 ksi (360-430 MPa) | | **Tensile Strength** | 70 ksi min (485 MPa) | 72-82 ksi (495-565 MPa) | | **Elongation** | 21% min in 2" | 22-27% | | **Reduction of Area** | 45% min | 48-58% | **Impact Toughness (Charpy V-Notch):** | Test Temperature | Minimum Requirement | Typical Value | |------------------|---------------------|---------------| | **-100°F (-75°C)** | 15 ft-lb (20 J) min | 25-45 ft-lb | | **-120°F (-85°C)** | - | 15-30 ft-lb | --- #### **4. Physical Properties** * **Density:** 0.284 lb/in³ (7,850 kg/m³) * **Modulus of Elasticity:** 29,000 ksi (200 GPa) * **Poisson's Ratio:** 0.29 * **Thermal Expansion:** 6.5×10⁻⁶/°F (11.7×10⁻⁶/°C) * **Thermal Conductivity:** 41.5 W/m·K at 212°F (100°C) * **Specific Heat:** 450 J/kg·K * **Ductile-Brittle Transition:** Below -120°F (-85°C) --- #### **5. Product Applications** **Extreme Low-Temperature Applications:** * Arctic offshore drilling platforms and structures * LNG (Liquefied Natural Gas) storage tank components * Polar research facility structures * Cryogenic processing plant structures * Arctic bridge and infrastructure projects **Critical Structural Components:** * Offshore platform node sections and critical connections * Ship and icebreaker hull components for arctic service * Critical mining equipment in cold climates * Power transmission towers in arctic regions * Special military equipment for cold environments --- #### **6. Key Advantages** * **Exceptional Low-Temperature Toughness:** Superior impact resistance down to -100°F (-75°C) and below * **Excellent Weldability:** Favorable carbon equivalent for reliable welding * **Consistent Properties:** Normalized condition ensures uniform microstructure * **Atmospheric Corrosion Resistance:** Copper content provides enhanced durability * **Proven Performance:** Established track record in critical low-temperature applications * **Cost-Effective Solution:** Provides quenched and tempered steel toughness at lower cost --- #### **7. Fabrication Guidelines** **Welding Requirements:** * Preheating: 200-300°F (95-150°C) depending on thickness * Low hydrogen processes mandatory * Typical processes: SMAW (E9018), FCAW (E91T1-K3), SAW * Post-weld heat treatment optional based on application requirements **Normalizing Practice:** * Temperature: 1650-1700°F (900-925°C) * Soaking time: Appropriate for section thickness * Controlled cooling to achieve fine grain structure **Forming & Machining:** * Excellent cold forming characteristics * Good machinability with standard tooling * Hot forming temperature: 1550-1700°F (845-925°C) --- **Technical Note:** Grade E achieves its exceptional toughness through strict chemistry control, particularly low phosphorus and sulfur levels, combined with normalizing heat treatment that produces a fine-grained microstructure capable of arresting crack propagation at extremely low temperatures. **Disclaimer:** This technical overview provides general information. For specific applications of ASTM A633 Grade E, always consult the latest ASTM standard and manufacturer's certification data. Welding procedures must be properly qualified, and special attention should be given to maintaining toughness in the heat-affected zone for critical low-temperature applications. -:- For detailed product information, please contact sales. -: ASTM A633 HSLA Steel Grade E, Thickness < 100 mm (4 in.) Specification Dimensions Size： Diameter 20-1000 mm Length <4504 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 A633 HSLA Steel Grade E, Thickness < 100 mm (4 in.) Properties -:- For detailed product information, please contact sales. -:

Applications of ASTM A633 HSLA Steel Capillary Grade E, Thickness < 100 mm (4 in.) -:- For detailed product information, please contact sales. -: Chemical Identifiers ASTM A633 HSLA Steel Capillary Grade E, Thickness < 100 mm (4 in.) -:- For detailed product information, please contact sales. -:

Packing of ASTM A633 HSLA Steel Capillary Grade E, Thickness < 100 mm (4 in.) -:- 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 Capillary 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 975 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