Dynamic Metals International
95 Valley Street Bristol, CT 06110 Toll Free 877-777-4364dio台词
小小雨点
MARAGING (C) 300
General: Maraging is a 18% nickel, cobalt strengthened steel (C-type), with excellent mechanical properties, workability and heat treatment characteristics.
Applications: Typical applications for maraging include missile and rocket motor cas, landing and takeoff gear, munitions, aerospace, extrusion tooling, die casting, high performance shafting, gears and fasteners.
Composition:
Si P S NI
C Mn
0.03 max 0.10 max 0.10 max 0.010 max 0.010 max 18.00-19.00
抛砖引玉的故事Ti Al Cr Cu
Mo
Co
max Fe Bal
max 0.50
8.50-9.50 4.60-5.20 0.50
-0.80 0.05-0.15 0.50
Material Melt Method: Maraging melt method is a VIM (Vacuum Induction Melt) + VAR (Vacuum Arc Remelt)
As Shipped Condition: Maraging is supplied in the annealed and descaled condition. The alloy is very tough, relatively soft (36 Rc Max.), therefore, readily machined and formed.
奋斗努力*Bar Tolerances: .250” - .499” .500” - .999” 1.000” – 3.625” 3.626” – 6.000” 6.001” – 8.000” 8.001” – 10.000”
-.000/+.005 -.000/+.010 -.000/+.031 -.000/+.047 -.000/+.063 -.000/+0.078
给孙悟空的一封信
Minimum Properties after Aging:
Hardness .................. 52 Rc Charpy V-notch ......... 12 ft/lbs. min Reduction of Area ....... 47% Elongation ................ 5.0% Yield Strength ............. 280 ksi Fracture Toughness .. (60)
Physical Properties:
Density………………………………… .289 lbs./cu. In
Average Coefficient of Thermal Expansion (70 – 900 F) ……………… 5.6 x 10 -6 in/in. F
Heat Treatment Aging Process: (Non Die Casting Applications)
Material is to be heat treated to 900 F +/- 10 holding at temperature for 6 hours then cooling at room
奴隶贴纸air temperature. During the aging treatment maraging shrinks uniformly and predictably on all dimensions .001 in/in
Heat Treatment Aging Process: (Die Casting Applications)
Following the rough machining of the die, anneal at 1500-1525 F for 1 hour per inch of thickness is recommended. After finish machining , an aging heat treatment of 980-1000 F for 6 hours is recommended.
Machining:
Maraging steel in the annealed condition is comparable to 4340. However, when maraging is aged, the type of cutting tool and speeds change. Rigid equipment, firm tool supports, sharp tools and abundant coolant are esntial.
Welding:
home键是哪个键
小吃作文Maraging is weld able without preheat, in both the annealed and aged condition. Only an aging heat treatment is needed to restore in the weld.
Standards:
AMS 6514 ASTM A 538 *Mil-S-46850D UNS K93120
*DMI product is not supplied to the dimensional tolerances of MIL-S-46850D.
*The information, data and specifications prented here are reprentative only, and are not guaranteed values. Material or products applications described are solely for illustrative purpos and should not be construed as express or implied warranties for fitness for the or other applications.
