Jiangsu New Heyi Machinery have rich experience of 4140 chrome plated bar with nearly 20 years, have already passed ISO9001:2008 international quality system,We have decades of experiences and technology, beyond the capability of supplying hard chrome plated steel rods in various materials, we also can provide machined rods according to Customer's spec. and drawing which applicable to various plastic, rubber injection molding machine, hydraulic machine, diverse machine tool etc.Induction hardness of 4140 can be HRC55-60 and induction depth will be 1.5-2.5mm. We export India, Indonesia, Austria, Canada, Australia,USA, Russia, Iran, Thailand, Malaysia, Bulgaria and so on. Material: 4140（42CrMo4） Chemical composition(%): MaterialC%Mn%Si%S%P%V%Cr% 42CrMo40.38-0.450.60-0.900.15-0.400.030.03 0.90-1.20 Condition: QUENCHED AND TEMPERED, INDUCTION HARDENED Mechanical properties: TENSILE STRENGTH≥980 MPa YIELD STRENGTH≥850 MPa ELONGATION≥14% IMPACT>47 J INDUCTION HARDENED HARDNESS: HRC55-60 INDUCTION DEPTH: 1.2-2.5MM Supply Condition: Ground and chrome plated Chrome thickness: 20 to 30 micron Surface roughness: Ra≤0.2 micron and Rt≤2 micro Od tolerance: ISO f7 on the diameter Ovality: Half of the tolerance ISO f7 Surface hardness: 850-1150HV (vickers 100g) Cohesion: No craks,breaking or detaching after thermic shock(warming up at 300 celsius degrees and cooling in water) Porosity: Test according to ISO 1456/1458 and result yaluation according to ISO 4540 rating 8-10 Corrosion Resistance:  Test in natural salt spray according to ASTM B 117-96hours Results evaluation according to ISO 4540 RATING 7-10 FAQ： 1) Where is your factory located? A:Our factory address is : No.1 Lutong Road, Yangshan Industrial Park, Wuxi, Jiangsu 214156, China. 2) How can i get to your factory? A:we can pick you up in Wuxi railway station or shanghai Airport. 3) If i will need to stay in your place for few days, is that possible to book the hotel for me? A:It’s always my pleasure, hotel booking service is available. 4) What is your minimum order quantity, can you send me samples? A:Our minimum quantity is 1 ton. 5) Can the products be customized as our need A:Surely our products can be customized as your need. 6) May i know which payment will be accepted by your company? A:So far 100%T/T before shipment, and 30% deposit paid by T/T, balance payment before shioment. 7) How can i trust your company? A:With 18-years-professional design, we can provide you suitable suggestion and lowest price. 8) Q: why choose us? A: NEW HEYI have rich experience of Cylinder chrome rod with 18 years, have already passed ISO9001:2008 international quality system,we export India, Indonesia, Austria, Canada, Australia,USA, Russia, Iran, Thailand, Malaysia, Bulgaria and so on.We are one of High-tech Enterprises, AAA Contract and Trustworthy Enterprises, AAA Technology Consulting Firm. and obtained the certificate of ISO9001. If you are willing to buy 4140 chrome plated bar from one of the best Cylinder chrome rod manufacturers and suppliers in China, with useful Cylinder chrome rod for sales, Welcome to buy the quality 4140 chrome plated bar at low price from NEW HEYI. Induction Hardened Rod price website:http://www.xhychromerod.com/piston-rod/induction-hardened-rod/