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Zirconium Bolts
ASTM B493 Zr 702 Screws/ Nuts and Zirconium 704 Fasteners manufacturer in India
Zirconium Bolts
ASTM B493 Zirconium 702 Bolts
Zirconium 702 Screws
ASME SB 493 Uns R60702 Stud Bolts and Threaded Rod Suppliers in both Metric and Imperial ( BSF, BSW,UNC, BA & UNF) thread forms
Zirconium Studs is a very strong, malleable, ductile, lustrous silver-gray metal. It has similar chemical and physical properties to those of titanium. Zirconium Bolts is extremely resistant to heat and corrosion. It is light in weight compared to steel and its hardness is similar to copper. Zirconium Screws does not dissolve in acids and alkalis. It is used with alloys such as zircaloy, which is used in nuclear applications since it does not readily absorb neutrons. It is also used in percussion caps, catalytic converters and furnace bricks.
ASTM B493 Zr 702 Fasteners is mainly used as a refractory and opacifier, although small amounts are used as an alloying agent for its strong resistance to corrosion.UNS R60702 Nuts/Studs forms a variety of inorganic and organometallic compounds such as zirconium dioxide and zirconocene dichloride, respectively. Astm B493 Zirconium 702 Fasteners is hard and brittle at lesser purities. It is highly resistant to corrosion by acids, alkalis, salt water and other factory. Uns R60702 Nuts melting point is 1855 °C and the boiling point is 4371 °C. It has a high affinity for oxygen that results in the formation of a protective oxide layer in air at room temperature.
Zirconium Socket Cap Screws particularly useful to industry is their resistance to hydrochloric acid where they exhibit a corrosion rate of less than 5mpy at all concentrations and temperatures in excess of the boiling point. Zirconium Threaded Rod is often used when strong acids and severe corrosion are used or expected. The most used Zirconium threaded rods are known as Zirconium 702 and they are famous for their superior corrosion resistance in some of the harshest environments.
| Standard | ASTM B493 / ASME SB493 |
|---|---|
| Size | M 02 to M 33 |
| Length | 3 mm to 200 mm |
| Threads: | METRIC, BSW, BSF, UNC, UNF or as required |
| Standard: | DIN, ISO, JIS, GB, IS, BS, ASTM, ANSI – American National Standards Institute
DIN: DIN 931, DIN 933, DIN 934, DIN 970 UTS – Unified Thread Standard : UNC, UNF, UNEF, UNS, NPT, NPTF ISO – International Organization for Standardization : ISO 4032, ISO 4033, JIS standards |
| SCOPE OF MANUFACTURE |
|
| Dia | M6 to M64 (1/4" - 2.5") |
| Length | 12 MM - 500 MM (Upto 20 Inch) |
| IS | 1363, 1364 |
| DIN | 931, 933 |
| ISO | ISO 3506 |
| Form of: | Hex, Square, Round, Threading as per Gauge Etc. |
| Head drive: | Phillips, Slotted, Phillips/Slot, Six-Lobe, etc |
| Test Certificate: | Manufacturer Test Certificate as per EN 10204 / 3.1 |
| Finishing: | Zinc (yellow, white, blue, black), black oxide, , Geometry, Dacroment, anodizing, nickel plated, plated zinc-nickel, Passivated, Self-Colour, Hot Dip Galvanised (HDG), Bright Zinc Plated (BZP), Sherardized, Mechanically Applied coating and some special one like DACROMET |
| Production process | M2-M24: Cold Froging, hot forging M24-M100, , machining and CNC for Customized connecting element |
| Origin and service-region: | European, Origin of Western European. However projects with eastern origin are possible on request. |
| Top Manufacturers | SPAX® Screws, GKW, Unbrako, Kundan, APL, Sundaram Precision, Infasco, EBY Fasteners Etc. |
| Types | Nuts, Bolts, Screws, Socket Screw, Sockets, Studs, Screw, Nut, Spring Washers, Hex Set Screw, Socket Hexagon Head Screw, Cap Screw, Wing Screw, Pan Head Screw, Machine Screw, Socket Head Cap Screw, Allen Cap screw, Wing Screw, Washers, Studs, Anchors, Hex Nut,Marine Anchors, Hexagon Nut, Hex Coupling Nut, Hex Domed Cap Nuts, Square Nut, Stud Bolts, Hex Head Bolts, Anchor Bolt, U- Bolts, J Bolts, T-Head Bolts, Mushroom Head Square Neck Bolts, Eye Bolt, Foundation Bolts, Structural Bolts |
| Physical Properties | Metric | English | Comments |
| Density | 6.53 g/cc | 0.236 lb/in³ |
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| Mechanical Properties | |||
| Hardness, Brinell | 145 | 145 | Converted from Vickers for 3000 kg load/10 mm ball. Annealed sample |
| Hardness, Rockwell A | 49 | 49 | Converted from Vickers. annealed sample |
| Hardness, Rockwell B | 78 | 78 | Converted from Vickers. Annealed sample |
| Hardness, Vickers | 150 | 150 | annealed sample |
| Tensile Strength, Ultimate | 330 MPa | 47900 psi | Annealed |
| Tensile Strength, Yield | 230 MPa | 33400 psi | Annealed |
| Elongation at Break | 32 % | 32 % | Annealed |
| Modulus of Elasticity | 94.5 GPa | 13700 ksi | |
| Poisson’s Ratio | 0.34 | 0.34 | |
| Shear Modulus | 35.3 GPa | 5120 ksi | Calculated |
| Electrical Properties | |||
| Electrical Resistivity | 4e-005 ohm-cm | 4e-005 ohm-cm | |
| Magnetic Susceptibility | 1.34e-006 | 1.34e-006 | cgs/g |
| Critical Magnetic Field Strength, Oersted | 47 | 47 | |
| Critical Superconducting Temperature | 0.61 K | 0.61 K | ±0.15; 0.65, 0.95 K for omega Zr. |
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| Thermal Properties | |||
| Heat of Fusion | 251 J/g | 108 BTU/lb | |
| CTE, linear 20°C | 5.8 µm/m-°C | 3.22 µin/in-°F | over the range 20-100ºC |
| CTE, linear 250°C | 6.3 µm/m-°C | 3.5 µin/in-°F | |
| CTE, linear 500°C | 6.9 µm/m-°C | 3.83 µin/in-°F | |
| Heat Capacity | 0.285 J/g-°C | 0.0681 BTU/lb-°F | |
| Thermal Conductivity | 16.7 W/m-K | 116 BTU-in/hr-ft²-°F | |
| Melting Point | 1852 °C | 3370 °F | |
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Zirconium Bolts Dimensions
NOMINAL SIZE (D) |
BODY DIAMETER |
HEAD THICKNESS |
ACROSS THE FLATS |
ACROSS BOLTS CORNERS |
||||
|---|---|---|---|---|---|---|---|---|
D (MAX) |
D (MIN) |
H (MAX) |
H (MIN) |
F (MAX) |
F (MIN) |
C (MAX) |
C (MIN) |
|
m10 |
10.00 |
9.78 |
6.63 |
6.17 |
17.00 |
15.73 |
18.48 |
17.77 |
m12 |
12.00 |
11.73 |
7.76 |
4.24 |
19.00 |
17.73 |
20.78 |
20.03 |
m14 |
14.00 |
13.73 |
9.09 |
8.51 |
22.00 |
20.67 |
24.25 |
23.35 |
m16 |
16.00 |
15.73 |
10.32 |
9.68 |
24.00 |
23.67 |
27.71 |
26.75 |
m20 |
20.00 |
19.67 |
12.88 |
12.12 |
30.00 |
29.16 |
34.64 |
32.95 |
m24 |
24.00 |
23.67 |
15.44 |
14.56 |
36.00 |
35.00 |
41.57 |
39.55 |
m30 |
30.00 |
29.67 |
19.48 |
17.92 |
46.00 |
45.00 |
53.12 |
50.85 |
m36 |
36.00 |
35.61 |
23.38 |
21.63 |
55.00 |
53.80 |
63.51 |
60.79 |
m42 |
42.00 |
41.38 |
26.97 |
25.03 |
65.00 |
62.90 |
75.06 |
71.71 |
m48 |
48.00 |
47.38 |
31.07 |
28.93 |
75.00 |
72.60 |
86.60 |
82.76 |
m56 |
56.00 |
55.26 |
36.2 |
33.80 |
85.00 |
82.20 |
98.15 |
93.71 |
m64 |
64.00 |
63.26 |
41.32 |
38.68 |
95.00 |
91.80 |
109.70 |
104.65 |
m72 |
72.00 |
71.26 |
46.45 |
43.55 |
105.00 |
101.40 |
121.24 |
115.60 |
m80 |
80.00 |
79.26 |
51.58 |
48.42 |
115.00 |
111.00 |
132.72 |
126.54 |
m90 |
90.00 |
89.13 |
57.74 |
54.26 |
130.00 |
125.50 |
150.11 |
143.07 |
m100 |
90.00 |
99.13 |
63.9 |
60.10 |
145.00 |
140.00 |
167.43 |
159.60 |
Torque Chart Of Zirconium Studs
| Torque Specifications | |||||||
|---|---|---|---|---|---|---|---|
Stainless Steel Bolt Size, Inches or # |
Threads, Per Inch |
Standard Dry Torque in Inch-Pounds |
|||||
304 Stainless Steel |
316 Stainless Steel |
||||||
| #2 | 56 | 2.5 | 2.6 | ||||
| 64 | 3.0 | 3.2 | |||||
| #3 | 48 | 3.9 | 4.0 | ||||
| 56 | 4.4 | 4.6 | |||||
| #4 | 40 | 5.2 | 5.5 | ||||
| 48 | 6.6 | 6.9 | |||||
| #5 | 40 | 7.7 | 8.1 | ||||
| 44 | 9.4 | 9.8 | |||||
| #6 | 32 | 9.6 | 10.1 | ||||
| 40 | 12.1 | 12.7 | |||||
| #8 | 32 | 19.8 | 20.7 | ||||
| 36 | 22.0 | 23.0 | |||||
| #10 | 24 | 22.8 | 23.8 | ||||
| 32 | 31.7 | 33.1 | |||||
Bolt Size, Inches or # |
Threads, Per Inch |
Standard Dry Torque in Inch-Pounds |
|||||
304 Stainless Steel |
316 Stainless Steel |
||||||
| 1/4 | 20 | 75.2 | 78.8 | ||||
| 28 | 94.0 | 99.0 | |||||
| 5/16 | 18 | 132 | 138 | ||||
| 24 | 142 | 147 | |||||
| 3/8 | 16 | 236 | 247 | ||||
| 24 | 259 | 271 | |||||
| 7/16 | 14 | 376 | 393 | ||||
| 20 | 400 | 418 | |||||
| 1/2 | 13 | 517 | 542 | ||||
| 20 | 541 | 565 | |||||
Bolt Size, Inches or # |
Threads, Per Inch |
Standard Dry Torque in Inch-Pounds |
|||||
304 Stainless Steel |
316 Stainless Steel |
||||||
| 9/16 | 12 | 682 | 713 | ||||
| 18 | 752 | 787 | |||||
| 5/8 | 11 | 1110 | 1160 | ||||
| 18 | 1244 | 1301 | |||||
| 3/4 | 10 | 1530 | 1582 | ||||
| 16 | 1490 | 1558 | |||||
| 7/8 | 9 | 2328 | 2430 | ||||
| 14 | 2318 | 2420 | |||||
| 1 | 8 | 3440 | 3595 | ||||
| 14 | 3110 | 3250 | |||||
Bolt Size, Inches or # |
Threads, Per Inch |
Standard Dry Torque in Foot-Pounds |
|||||
304 Stainless Steel |
316 Stainless Steel |
||||||
| 1 1/8 | 7 | 413 | 432 | ||||
| 12 | 390 | 408 | |||||
| 1 1/4 | 7 | 523 | 546 | ||||
| 12 | 480 | 504 | |||||
| 1 1/2 | 6 | 888 | 930 | ||||
| 12 | 703 | 732 | |||||
Astm B493 Zirconium 702 Heavy Hex Bolt Dimensions
| Stainless Steel Bolt Size | A | B | C | D | E, Radius of Fillet | F, Thread Length | G, Transitional, Thread Length | Runout of, Bearing Surface, FIM | ||
|---|---|---|---|---|---|---|---|---|---|---|
| max | min | min | max | min | max | |||||
| 1/2" | 0.515 | 0.482 | 7/8 | 0.969 | 5/16 | 0.031 | 0.009 | 1.00 | 0.19 | 0.016 |
| 5/8" | 0.642 | 0.605 | 1-1/16 | 1.175 | 25/64 | 0.062 | 0.021 | 1.25 | 0.22 | 0.019 |
| 3/4" | 0.768 | 0.729 | 1-1/4 | 1.383 | 15/32 | 0.062 | 0.021 | 1.38 | 0.25 | 0.022 |
| 7/8" | 0.895 | 0.852 | 1-7/16 | 1.589 | 35/64 | 0.062 | 0.031 | 1.50 | 0.28 | 0.025 |
| 1" | 1.022 | 0.976 | 1-5/8 | 1.796 | 39/64 | 0.093 | 0.062 | 1.75 | 0.31 | 0.028 |
| 1-1/8" | 1.149 | 1.098 | 1-13/16 | 2.002 | 11/16 | 0.093 | 0.062 | 2.00 | 0.34 | 0.032 |
| 1-1/4" | 1.277 | 1.223 | 2 | 2.209 | 25/32 | 0.093 | 0.062 | 2.00 | 0.38 | 0.035 |
| 1-3/8" | 1.404 | 1.345 | 2-3/16 | 2.416 | 27/32 | 0.093 | 0.062 | 2.25 | 0.44 | 0.038 |
| 1-1/2" | 1.531 | 1.470 | 2-3/8 | 2.622 | 15/16 | 0.093 | 0.062 | 2.25 | 0.44 | 0.041 |
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