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34Cr4強(qiáng)度及韌性較高的中碳合金調(diào)質(zhì)鋼，用于制造齒輪、軸、滾子、螺栓以及其他重要調(diào)質(zhì)件等======================================================

34Cr4圓鋼規(guī)格：直徑2mm 3mm 4mm5mm6mm7mm8mm9mm10mm11mm12mm13mm14mm15mm16mm17mm18mm19mm20mm21mm22mm24mm25mm26mm28mm30mm32mm35mm38mm40mm42mm45mm50mm55mmm60mm……規(guī)格齊全，更多規(guī)格請咨詢。 ======================================================