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We can provide you the special steels as 1.M390 powder steel corresponding to M390 Austria; 2.10Cr15MoVCo,Corresponding to JAPAN JIS VG10 3.9Cr18MoV,Corresponding to EN X90CrMoV18 4.DAMASCUS Three-ply composite steel 5.DAMASCUS steels without steel core 6.Swedish Powder Steel. What we can do for you? 1.We can provide you the products as above in good quality, better service and support; 2.We can produce the special steel as your technical request, and provide you the suitable solution. 3.ODM/OEM available Please kindly contact us for more information by leaving your contact info. Welcome to Wuhan, China!

M42 Steel Grade Equivalent Chart Standard ASTM A600-92a EN ISO 4957-1999 JIS G4403: 2006 ISO 4957-1999 Grades M42(t11342) HS 2-9-1-8 SKH59 HS 2-9-1-8 Delivery condition:In annealing (269HB), or after heat treatment (65.5-68.5HRC). Quality control 100% UT (Ultrasonic Testing), UT Standard is SEP 1921-84 C/c. M42 Steel Chemical Composition Stand C (%) Mn(%) P(%) S (%) Si (%) Cr (%) V(%) W(%) Mo(%) Co(%) ASTM A600-92a 1.05-1.15 0.15-0.40 0.03 0.03 0.15-0.65 3.50-4.25 0.95-1.35 1.15-1.85 9.00-10.00 7.75-8.75 EN ISO 4957-1999 1.05-1.15 0.40 0.030 0.030 0.70 3.50-4.50 0.90-1.30 1.20-1.90 9.00-10.00 7.50-8.50 JIS G4403: 2006 1.05-1.15 0.40 0.030 0.030 0.70 3.50-4.50 0.90-1.30 1.20-1.90 9.00-10.00 7.50-8.50 ISO 4957-1999 1.05-1.15 0.40 0.030 0.030 0.70 3.50-4.50 0.90-1.30 1.20-1.90 9.00-10.00 7.50-8.50 M42 Steel Physical Properties Physical properties Metric Imperial Density 7.81 g/cm 1.3247 Steel Mechanical Properties Mechanical properties Metric Imperial Hardness, Rockwell C(oil quenched from 1204 C, 5 minutes) 64.3 64.3 Hardness, Rockwell C(oil quenched from 1177 C, 5 minutes) 65.5 65.5

Features and Advantages of Grinding Steel Bar Concentrating on wear-resistant grinding material for 30 years, Shandong Huamin Steel Ball Joint-Stock Co., Ltd is one of the largest grinding rod manufacture in China. We manufacture the product with the length of 2m to 7m and the diameter of 40mm to 140mm. The data is just for reference. The product can also be customized. After years of research and development, we finally develop the new-type steel grinding rod successfully. The newly developed product is characterized by low wear, unique chemical composition, high hardness of 45HRC to 55HRC, and strong toughness. Meanwhile, via the quenching and high temperature tempering treatment, the internal stress is removed. The product has good straightness, and won't break, bend and come out with two tapering ends. The economic benefit is much in evidence. a. The blanking of the steel grindng bar is implemented via the sawing machine. The dimensional tolerance would adide by the requirements of the order. After the implementation of blanking, the two ends of the raw material are polished into the R arc via the polishing machine. b. The surface of the product for the rod mill cannot have the crack, overburning and fissure visible to the naked eyes. c. The nonstraightness of the product is less than 0.2%. The diameter tolerance ranges from +0mm to -1.5mm. The length tolerance is fro +0mm-25mm. The fracture should be less than 3%.

What is AISI 4140 Steel AISI 4140 alloy steel round bar sheet plate belongs to medium hardenability steel.AISI 4140 steel has high fatigue strength and low notch sensitivity. Low-temperature impact toughness is also very high, no obvious temper brittleness. AISI 4140 steel round bar is mainly used after quenching and tempering state. it is used to manufacture high-strength parts under impact loads and the fittings with large cross-sections and other stressed members. Such as the horizontal eccentric shaft of the horizontal forging machine, the crankshaft of the forging press, and etc. Its equivalent grade is JIS SCM440 and DIN 1.7225. The properties and composition of 4140 steel round bar sheet plate as below. We have been specializing in the production of 4140 alloy steel for decades, providing 4140/1.7225/SCM440 alloy round bar, square and flat steel, etc. We have our own cutting and processing facilities, rich production experience, and the specifications can be customized according to your needs Requires tailoring and customization. Over the years, we have been focusing on special steel dealers and suppliers with high-quality booths. As a professional AISI 4140 steel supplier, you are welcome to inquire at any time. specialized in Special Steel for almost 20 years. We can supply mold steel, high speed steel, alloy steel, free cutting steel and etc