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Henan bebon international co.,ltd offers API 5L X120steel plate/pipes as large diameter pipes: 1. API 5L X120mechanical properties: Tensile Strength σb(MPa) :915-1145 Yield Strength σ0.2(MPa): 830-1050 Permissible yield point ratio: ≤ 0.99 3.API 5L X120steel plate/pipes is one mainly of Steel for large diameter...