Mining Rock Hexagonal Hole Steel Bar /Hex Steel Hollow Rods

Rock drill B22 Tapered Drill Rods
Mining rock hexagonal hole steel bar
55SiMnMo Hex steel for Quarrying Rock Blast Hole Integral Drill Rod
Steel round bar
1. Quality performance and field of application for products
Hex steel for Quarrying Rock Blast Hole Integral Drill Rod
and rock drill rod is required to have high anti-impact, abrasion resistance capacity; the products are mainly used for steel for charge rock drill head and rock drill rod.
2. Main grade of drill rod :
30CrNi4Mo 40CrMnMo FF-710 K24729 55SiMnMo 35SiMnMoV18-25Cr2Ni4WA 25CrMnSiNi2MoA
3. Processing route:
EAF + LF + VD + concastng steel billets + hot rolled+cold drawn HEX steel bar+Center hole
4. Chemical composition and mechanical properties:
CSIMNP/SCRNiMO55SiMnMo0.53-0.571.13-1.370.63-.870.035
(MAX)0.43-0.4718CrMnNi2MoA0.15-0.200.20-0.350.7-1.000.025
(MAX)1.65-2.000.45-0.650.60-0.8025CrMnSiNi2MoA0.20-0.251.30-1.701.20-1.500.025
(max)0.20-0.401.65-2.000.35-0.455.Hex steel bar size:15mm-100mmSteel round bar diameter:20mm-300mm
6..Avaliable length:200mm-5000mm
7.Delivery time:7days for read stock,30days for nre
8.Usage:Quarrying Rock Blast Hole Integral Drill Rod
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