ASTM 5130/ GB 30Cr Steel Round Bar is a kind of Alloy Structural Steel round bar, and it is widely used in making the small shaft, balance lever, rocker, rod, bolts, nuts, gears, and various rollers.
LR Grade D shipbuilding steel plate is a kind of hot rolled general tensile strength steel. All the LR Grade D shipbuilding steel plate offered by KUNFENG Industry can be certificated by Lloyd’s Register of Shipping (LR).LR Grade D shipbuilding steel plat
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