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Manufacture process and delivery conditions
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Steel grades and specification
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BP440 440 2-12 850-1800 2000-12000
BP500 500 2-12 950-1800 2000-12000
BP600 600 2-12 950-1800 2000-12000
BP550 600 2-12 950-1800 2000-12000
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Chemical composition, wt%
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0.32 0.5 1.5 0.020 0.015 0.015 1.0 0.5 0.005 0.52
0.35 1.0 1.85 0.020 0.015 0.015 1.0 0.5 0.005 0.55
0.50 0.5 1.70 0.020 0.015 0.015 1.2 0.8 0.005 0.62
0.50 1.0 1.85 0.020 0.015 0.015 1.2 0.8 0.005 0.67
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