Strict limitations on Phosphorus (P) and Sulfur (S) content are enforced to ensure clean steel and reduce impurities. Heat Treatment (Quenched and Tempered)
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I can provide the exact chemical or mechanical breakdown for that specific variant. Share public link
The defining characteristic of GB/T 16270 is the process.
Steel is tested for yield strength, tensile strength, elongation, and impact energy. For example, must maintain specific impact toughness at Chinese Standard GB/T Common Steel Grades
: Create a summary of what the standard covers and analyze its implications for relevant industries, safety, quality control, etc.
Defines specific requirements for Yield Strength, Tensile Strength, Elongation, and Impact Toughness (often tested at various temperatures, e.g., 0°C, -20°C, or -40°C).
The standard focuses specifically on hot-rolled steel plates with high yield strength, typically utilized in heavy engineering applications where weight reduction and high load-bearing capacity are critical.
: Covers designations, dimensions, shape, weight, technical requirements, testing methods, and quality certification.
| GB/T 16270 | International Equivalent | Notes | | :--- | :--- | :--- | | | S460Q (EN 10025-6), A514 Grade B (ASTM) | Very close match. | | Q550 | S550Q (EN 10025-6) | Direct mechanical equivalence. | | Q690 | S690Q (EN 10025-6), ASTM A514 Grade Q | The most common interchangeable grade. | | Q960 | S960Q (EN 10025-6) | Niche applications; careful of CEV differences. |
The standard defines the manufacturing, testing, and delivery requirements for steel plates designed for high-load and low-temperature engineering applications. Code of China Scope & Application
To achieve extreme strength without sacrificing toughness, the chemical recipe must be exact. The PDF details maximum limits for carbon (C), silicon (Si), manganese (Mn), phosphorus (P), and sulfur (S). It also mandates specific ranges for micro-alloying elements like boron (B), chromium (Cr), nickel (Ni), and molybdenum (Mo), which enhance hardenability. 3. Mechanical Properties The standard sets strict thresholds for: The stress point at which the steel permanently deforms. Tensile Strength ( Rmcap R sub m
: Specifies chemical composition and smelting processes (typically oxygen converter or electro-smelting).
This public link is valid for 7 days and shares a thread, including any personal information you added. This link or copies made by others cannot be deleted. If you share with third parties, their policies apply. Can’t copy the link right now. Try again later.
Strict limitations on Phosphorus (P) and Sulfur (S) content are enforced to ensure clean steel and reduce impurities. Heat Treatment (Quenched and Tempered)
This public link is valid for 7 days and shares a thread, including any personal information you added. This link or copies made by others cannot be deleted. If you share with third parties, their policies apply. Can’t copy the link right now. Try again later.
I can provide the exact chemical or mechanical breakdown for that specific variant. Share public link
The defining characteristic of GB/T 16270 is the process. gb t 16270 pdf
Steel is tested for yield strength, tensile strength, elongation, and impact energy. For example, must maintain specific impact toughness at Chinese Standard GB/T Common Steel Grades
: Create a summary of what the standard covers and analyze its implications for relevant industries, safety, quality control, etc.
Defines specific requirements for Yield Strength, Tensile Strength, Elongation, and Impact Toughness (often tested at various temperatures, e.g., 0°C, -20°C, or -40°C). Strict limitations on Phosphorus (P) and Sulfur (S)
The standard focuses specifically on hot-rolled steel plates with high yield strength, typically utilized in heavy engineering applications where weight reduction and high load-bearing capacity are critical.
: Covers designations, dimensions, shape, weight, technical requirements, testing methods, and quality certification.
| GB/T 16270 | International Equivalent | Notes | | :--- | :--- | :--- | | | S460Q (EN 10025-6), A514 Grade B (ASTM) | Very close match. | | Q550 | S550Q (EN 10025-6) | Direct mechanical equivalence. | | Q690 | S690Q (EN 10025-6), ASTM A514 Grade Q | The most common interchangeable grade. | | Q960 | S960Q (EN 10025-6) | Niche applications; careful of CEV differences. | If you share with third parties, their policies apply
The standard defines the manufacturing, testing, and delivery requirements for steel plates designed for high-load and low-temperature engineering applications. Code of China Scope & Application
To achieve extreme strength without sacrificing toughness, the chemical recipe must be exact. The PDF details maximum limits for carbon (C), silicon (Si), manganese (Mn), phosphorus (P), and sulfur (S). It also mandates specific ranges for micro-alloying elements like boron (B), chromium (Cr), nickel (Ni), and molybdenum (Mo), which enhance hardenability. 3. Mechanical Properties The standard sets strict thresholds for: The stress point at which the steel permanently deforms. Tensile Strength ( Rmcap R sub m
: Specifies chemical composition and smelting processes (typically oxygen converter or electro-smelting).
This public link is valid for 7 days and shares a thread, including any personal information you added. This link or copies made by others cannot be deleted. If you share with third parties, their policies apply. Can’t copy the link right now. Try again later.