Mining Rock Hexagonal Hole Steel Bar /Hex Steel Hollow Rods

Model NO.
B22 B19 drill rod
Taper
6, 7, 11, 12 Degree etc
Weight
3kg/Meter
Head Degree
4, 7, 11, 12 Customized
Trademark
Shandong
Transport Package
Bundle by Wire Rods
Specification
B22 B19
Origin
China
Our firm aims to operating faithfully, serving to all of our consumers , and working in new technology and new machine continually for Mining Rock Hexagonal Hole Steel Bar /Hex Steel Hollow Rods, The product will supply to all over the world, such as: Brazil , Greece , Cambodia , Our company has abundant strength and possesses a steady and perfect sales network system. We wish we could establish sound business relationships with all customers from at home and abroad on the basis of mutual benefits.
Shandong Dajin Metal Material Co., Ltd. Diamond / Audited Supplier
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:
 
  C SI MN P/S CR Ni MO
55SiMnMo 0.53-0.57 1.13-1.37 0.63-.87 0.035
(MAX)
     0.43-0.47
18CrMnNi2MoA 0.15-0.20 0.20-0.35 0.7-1.00 0.025
(MAX)
1.65-2.00  0.45-0.65 0.60-0.80
25CrMnSiNi2MoA 0.20-0.25 1.30-1.70 1.20-1.50 0.025
(max)
0.20-0.40 1.65-2.00 0.35-0.45

 

5.Hex steel  bar size:15mm-100mm

  Steel 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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