440B440B440B440B440B440B440B440B440B440B440B440B440B440B440B440B440B440B440B440B440B440B440B440B440B440B440B440B440B440B440B440B1、规格：圆棒（直径Ф4.5—Ф550mm），板材（2.0—260mm）2、提供：原厂材质证明书。3、供应数量：规格齐全，库存大量现货。4、运输方式：******货运或送货***。5、用途：用于各种精密零部件、冲头、模具镶件、轴类、齿轮、机械设备、五金等行业。6、价格：电议。7、品质检验：出货前经过无损伤探伤、硬度测试等检验方能出仓销售。)