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Chemical composition of 12MnNiVR-SR in stock, mechanical properties of 12MnNiVR-SR

2018-10-31View Original

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I. 12MnNiVR-SR is a quenched and tempered high-strength steel plate designated for use in pressure vessels under standard GB19189; SR denotes steel plates that require post-weld heat treatment. II. Chemical composition of 12MnNiVR-SR (for cutting): CSiMnPSNiCrMoVCeqPcmPsR ≤0.15, 0.15-0.40, 1.20-1.60; ≤0.015, ≤0.008, 0.15-0.40, ≤0.30, ≤0.30; 0.02-0.06, ≤0.43, ≤0.24

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