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ASTM A202 Grade B is a chromium-manganese-silicon low-alloy steel tailored for high-pressure, medium-temperature pressure vessel applications.2026-04-30
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ASTM A202 Grade A is a critical chromium-manganese-silicon low-alloy steel plate specifically designed for welded pressure vessels and boilers operating at medium temperatures.2026-04-30
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ASTM A202 Pressure Vessel Steel Material and Grades:
Alloy System: **Chromium-Manganese-Silicon (Cr-Mn-Si)** Low-Alloy Heat-Resistant Steel2026-04-17 -
ASTM A204/A204M Grade B molybdenum alloy steel plates for pressure vessels feature superior chemical composition and mechanical properties compared to Grade A2026-04-10
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As a molybdenum-alloy steel plate for pressure vessels under the ASTM A204/A204M standard, A204 Gr.A is a low-alloy, high-strength material specifically designed for service conditions involving moderate temperatures (≤400°C) and moderate-to-high pressure2026-03-31
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ArcelorMittal and CSN seek steel price increases as much as 7.5% in Brazil
Bloomberg quoted a person with knowledge of the plan saying that “ArcelorMittal the world’s largest steel maker and rival Cia Siderurgica Nacional SA are seeking to boost prices for some steel products in Brazil by as much as 7.5%.”
The person said that “ArcelorMittal and CSN informed clients that prices in Brazil will rise 3.5% to 7.5% next week.” He added that “Declining to be named as the companies haven’t made an announcement. The increase reflects higher iron-ore and coal costs and an attempt by the companies to boost profit margins.”