ASTM A194 with for heavy hex nut b18 M8 M20
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- Supplier: Ningbo Chenglong Special Steel Co. Ltd.Ningbo Ltd.
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Product Overview
Description
ASTM A194 with for heavy hex nut b18 M8-M20
Product Description
1, scope,
this standard specifies the size and technical requirements of the us-made heavy hexagonal nut.
this standard applies to the valve products for export.
2, size
Size shown in the figure and table 1 below
nominal diameter d inch | S | D | H |
Bearing surface face runout (F1R)Max | kg/1000pieces | ||||
Max | Mix | Max | Mix | Max | Mix | proof stress <1050MPa | proof stress ≥1050MPa |
| |
1/4 | 12.70 | 12.40 | 14.65 | 14.13 | 6.35 | 5.54 | 0.43 | 0.27 | 5.26 |
5/16 | 14.27 | 13.87 | 16.51 | 15.80 | 7.97 | 7.12 | 0.50 | 0.30 | 7.8 |
3/8 | 17.47 | 17.00 | 20.16 | 19.39 | 9.57 | 8.67 | 0.53 | 0.35 | 14.24 |
7/16 | 19.05 | 18.50 | 22.99 | 21.09 | 11.20 | 10.24 | 0.55 | 0.38 | 18.87 |
1/2 | 22.22 | 21.59 | 25.65 | 24.62 | 12.80 | 11.79 | 0.58 | 0.40 | 29.67 |
9/16 | 23.82 | 23.09 | 27.50 | 26.34 | 14.42 | 13.57 | 0.60 | 0.43 | 36.97 |
5/8 | 26.97 | 26.19 | 31.16 | 29.85 | 16.02 | 14.91 | 0.63 | 0.45 | 53.78 |
3/4 | 31.75 | 30.79 | 36.65 | 35.11 | 19.25 | 18.04 | 0.68 | 0.50 | 87.54 |
7/8 | 36.52 | 35.41 | 42.16 | 40.37 | 22.47 | 21.16 | 0.73 | 0.55 | 134.12 |
1 | 41.27 | 40.01 | 47.65 | 45.62 | 25.70 | 24.29 | 0.78 | 0.60 | 192.78 |
1-1/8 | 46.02 | 44.61 | 53.16 | 50.86 | 28.93 | 27.41 | 0.83 | 0.68 | 268.53 |
1-1/4 | 50.80 | 49.23 | 58.64 | 56.11 | 31.77 | 30.15 | 0.88 | 0.76 | 356.53 |
1-3/8 | 55.57 | 53.83 | 64.16 | 61.37 | 35.00 | 33.28 | 0.96 | 0.83 | 462.67 |
1-1/2 | 60.32 | 58.42 | 69.64 | 66.60 | 38.22 | 36.40 | 1.04 | 0.91 | 594.22 |
1-5/8 | 65.07 | 63.02 | 75.15 | 71.84 | 41.45 | 39.53 | 1.11 | 0.96 | 734.83 |
1-3/4 | 68.85 | 67.62 | 80.64 | 77.09 | 44.67 | 42.65 | 1.21 | 1.04 | 925.34 |
1-7/8 | 74.62 | 72.24 | 86.15 | 82.35 | 47.90 | 45.78 | 1.29 | 1.11 | 1093.18 |
2 | 79.37 | 76.84 | 91.64 | 87.61 | 51.13 | 48.90 | 1.39 | 1.19 | 1356.26 |
3, technical requirements
Technical conditions according to ASTM A194 / A194M - 94 - b in the relevant provisions.
4, mark
Tag example: 3/8 diameter, coarse thread, 16 teeth per inch, 2 b, without surface treatment of american-made hexagonal heavy steel nut tag:
Nut 3/8-16 UNC 2 b Q/AKDF14-2000
Diameter of 5/8 of a fine thread 24 teeth per inch black finish on the surface of the 2 b
American-made hexagonal heavy steel nut tag:
Nut is 3/8-24 UNF 2 b Q/AKDF14-2000
5, nominal diameter and coarse thread, and a fine thread corresponding relations are shown in table 2
nominal diameter d inch
|
Coarse thread UNC
TPI
|
fin thread UNF
TPI
|
nominal diameter d inch
|
Coarse thread UNC
TPI
|
fin thread UNF
TPI
|
1/4 | 20 | 28 | 7/8 | 9 | 14 |
5/16 | 18 | 24 | 1 | 8 | 12 |
3/8 | 16 | 24 | 1-1/8 | 8UN | 12 |
7/16 | 14 | 20 | 1-1/4 | 8UN | 12 |
1/2 | 13 | 20 | 1-3/8 | 8UN | 12 |
9/16 | 12 | 18 | 1-1/2 | 8UN | 12 |
5/8 | 11 | 18 | 1-5/8~2 | 8UN | ------ |
3/4 | 10 | 16 | ------ |
FAQ
Why choose our product
· Our thread bars include nut bolt all in compliance with ANSI,DIN,BS,JIS,IFI and other international standars
· Very good quality ensurance,100% test before
· Best delivery time and packing:Optomize production process,and wide stock of steel material with every size,make the best delivery speed
· Competitive price while high quality level
Company Introduction
Established in 1992,Ningbo Chenglong Special Steel Co.,Ltd.is located in one of China’s coastal cities,Ningbo City,covering an area of 59,000 square meters.The superior location provides us with very conveninent transportation and good environment.die steel,and alloy tool steel,more than forty
varieties and one rhousand specifications.We keep thirtyforty thousand tons of special steel in storage allyear.
Our company is developing international markets while developing the markets in China.We have good cooperative relationships with more than 20 foreign importers in different countries and regions now.We sell more than one hundred and fifty thousand tons of special steel each year,because of high quality and on time service.
Our company has introduced automatic horizontal saw machines,turning machines,straighteners and other advanced equipment.Our professional heat treatment department can provide the best services to our customers,including QT, Annealling,Normalizing etc.
We also have established quality surveillance test center in order to make sure our products can reach the domestic and international quality standards.
Our Service
We also have established quality surveillance test center in order to make sure our products can reach the domestic and international quality standards.
We insist on the principles of"honest,high quallity service and reputation first","customer is our God",in order to serve our valued customers with convenient,top speed and the best services.
Providing high quality and favorable prices,we are sincerely looking foward to establishing mutually beneficial and long-term relationships with importers form all over the world.Please feel free to contact us for further information!
We look forward to cooperating with you!!
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