Hello, welcome to the website of Shandong Jianning Metals Co., Ltd.!


Factory:J&J metal industries

Houtun industrial zone, Dongchang east R.d, Liaocheng 

Factory: Shandong huali Hydraulic Machinery Co.,Ltd

Tianshun R.d,Yangshan industrial zone, Huishan District, Wuxi

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Address:  No.9 Wanhe industrial park, lushan Road, Development Zone, Liaocheng, Shandong

Tel:0086-635-8571299 0086-13258983775


Hello, welcome to the website of Shandong Jianning Metals Co., Ltd.!

热门关键词:液压岩心钻机、XYC-200、XYD-200、XYX-3、工程钻机  等

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Chrome Rod/Bar

Affiliate classification

Material:CK45 S45C ST52 SAE1045 SAE10V45 42CrMo4

OD Tolerance: f7                            
Chrome Thickness: 20µm(min)                            
Application: Hydraulic cylinder, Engineering machinery, Metallurgical machinery, 
Plastic machinery, Hoisting machinery, Road construction machinery, Textile machinery    

Chemical Composition:  
Material C% Mn% Si% S% P% V% Cr%
CK45 0.42-0.5 0.5-0.8 0.04 0.035 0.035    
ST52 0.22 1.6 0.55 0.035 0.04    
SAE10V45 0.40-0.48 0.80-1.40 0.15-0.35 0.15 0.035 0.15 0.25
42CrMo4 0.38-0.45 0.60-0.90 0.15-0.40 0.03 0.03   0.90-1.20
40Cr 0.37-0.45 0.50-0.80 0.17-0.37       0.80-1.1
Mechanical Property:      
Material T.S(N/mm²) Y.S(N/mm²) EL%(min) Charpy Condition
Ck45 610 355 15 >41J Hard chrome rod
Ck45 800 630 20 >41J Q+T
St52 500 355 22   Hard chrome rod
42CrMo4 980 850 14 >47J Q+T
40Cr 1000 800 10   Q+T
Micro Alloy Steel:          
   SAE10V45  OD(MM) T.S                    MPA  Y.S                       MPA A% Z% KU2(J) HBW
40-100 750-900 520(min) 19 40 39 230-290
100-140 750-900 520(min) 17 35 39 230-290
Chrome Rod Delivery Condition:
Hard chrome plated
Induction hardened
Quenched & Tempered
Induction hardened with Q&T
Corrosion resistance 
Min 120 hours NSS Rating 9 Test acc. To ISO 9227 and ISO 10289 for the evaluation of the results.
Induction Hardness 50-55HRC
Induction Layer 1.7-2.5mm

1. Q: Are you trading company or Manufacturer?                        
   A: Of course, we are manufacturer. We are in the field of Seamless steel tube for more than 20 years.                        
2. Q: What is your delivery time?                        
    A: As normally, it is 25~60 days after you confirm the order. If your order is urgent, 
        we would like to try our best to meet your requests."                        
3. Q: What is your main payment term?                        
    A: They are T/T and L/C. Like 30% advance payment via T/T, balance pay after receiving  copy BL; 100% irrevocable L/C at sight. If you have any other requests, we can talk to it again.   4.Q: What is your main market?                        
   A: Southeast Asia, southern Asia, Europe, etc.                        
5. Q: Why we choose you as our supplier?                        
   A: All of our clients have reorders from us. Give us one order, you can feel our price, quality, and service. Then, you will know us.

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