Standard:
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ASTM B337, ASTM B338, ASTM B861, AMS, MIL, DIN, BS, JIS, GB/T, ISO, etc.
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Grade:
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GR1, GR2, GR3, GR4, GR5, GR7, GR9, GR11, GR12, GR16, GR17,GR23, etc.
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Inspection:
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Chemical composition, Visual Inspection, Annealing, Dimensional inspect, Hydrostatic, Eddy Current, Reverse-Flat, Elongation, Tensile, Yield, Flattening, Flaring,
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