ASTM A320 Nut

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ASME SA320 Grade L7 T Nut, Grade B8M Acorn Nut, Grade A320 Nyloc Nut, ASTM A320 B8 Hex Head Nut, ASME SA320 Grade Eye Nut, A320 Grade Wing Nut.

Shree Ashapura steel is the largest manufacturer of ASTM A320 Hex nut. We are a team of professionals with decades of industrial grades experience and are always ready to serve the client’s needs. We produce nuts as per client specifications and thier dimensional asects. We are known for the quality that we do in the oversea market. Various nuts are manufactured in our factory, giving the buyer a perfect basket of all types of nuts and related units. We are famous for our timely delivery and safest packaging such that client keeps working on their respective project with keen interest followed by a smooth process. You can get in touch with us regarding any query.

About ASTM A320 Nut

Shree Ashapura Steel Centre Manufacturer supplier of SS , High nickel and Duplex / Super duplex Fasteners, for enquiry contact on email:

Specification Of ASTM A320 Nut

DimensionsASME B18.2.1, B18.3
Melt OriginSoutd America/East Europe/Japan/Korea/
Product OriginMade in India
Threads ConfigurationASME B1.1 2A/3A Inch Unified Threads and B1.13M 6h Metric Coarse Threads
CertificationDual Certified As per ASTM & ASME Codes
Additional CertificationsPED 97/23/EC Certified, Merkblatt AD 2000 W2 Certified
Mandatory RequirementsFree from Mercury & Radioactive Contamination
Additional RequirementsNACE MR0103 / MR0175 / ISO 15156 Compliance

Chemical Composition ASTM A320 Nut

ElementL7 (AISI 4140)L43 (AISI 4340)B8 (AISI 304)B8M (AISI 316)
Carbon0.37 – 0.49%0.38 – 0.43%0.08% max0.08% max
Manganese0.65 – 1.10%0.75 – 1.00%2.00% max2.00% max
Phosphorus (max)0.04%0.04%0.05%0.05%
Sulfur (max)0.04%0.04%0.03%0.03%
Silicon0.15 – 0.35%0.15 – 0.35%1.00% max1.00% max
Chromium0.75 – 1.20%0.70 – 0.90%18.0 – 20.0%16.0 – 18.0%
Nickel 1.65 – 2.00%8.0 – 11.0%10.0 – 14.0%
Molybdenum0.15 – 0.25%0.20 – 0.30% 2.00 – 3.00%

Mechanical Properties ASTM A320 Nut

GradeSizeTensile, ksi minYield, ksi minCharpy Impact Elong, % minRA, %, min
L7up to 21/2125105-150° F1650
L43sup a 4125105-150° F1650
B8 Class 1all7530N/A3050
B8M Class 1all7530N/A3050
B8 Class 2Up to 3/4125100N/A1235
 7/8 – 111580N/A1535
 11/8 – 11/410565N/A2035
 13/8 – 11/210050N/A2845
B8M Class 2Up to 3/411095N/A1545
 7/8 – 110080N/A2045
 11/8 – 11/49565N/A2545
 13/8 – 11/29050N/A  

Dimensions Of ASTM A320 Nut

Stainless Steel Nuts Dimensions :


Basic Major
Diameter of
Width Across Flats,
Width Across
Thickness Heavy
Hex Nuts,
Thickness Heavy
Hex Jam Nuts,
Maximum Runout of
Bearing Surface to
Axis, FIM
Heavy HEX NUTSHeavy Hex
Jam Nuts
Specified Proof load
Min.MaxUp to
150,000 psi
150,000 psi
and Greater
All Strength
5/80.62501 1/161.0311.0621.1751.22739/640.5870.63123/640.3370.3810.0250.0180.025
3/40.75001 1/41.2121.2501.3821.44347/640.7100.75827/640.3980.4460.0270.0200.027
7/80.87501 7/161.3941.4381.5891.66055/640.8330.88531/640.4580.5100.0290.0220.029
11.00001 5/81.5751.6251.7961.87663/640.9561.01235/640.5190.5750.0310.0240.031
1 1/81.12501 13/161.7561.8122.0022.0931 7/641.0791.13939/640.5790.6390.0330.0270.033
1 1/41.250021.9382.0002.2092.3091 7/321.1871.25123/320.6870.7510.0350.0300.035
1 3/81.37502 3/162.1192.1882.4162.5261 11/321.3101.37825/320.7470.8150.0380.0330.038
1 1/21.50002 3/82.3002.3752.6222.7421 15/321.4331.50527/320.8080.8800.0410.0360.041
1 5/81.62502 9/162.4812.5622.8282.9591 19/321.5561.63229/320.8680.9440.0440.0380.044
1 3/41.75002 3/42.6622.7503.0353.1751 23/321.6791.75931/320.9291.0090.0480.0410.048
1 7/81.87502 15/162.8442.9383.2423.3921 27/321.8021.8861 1/320.9891.0730.0510.0440.051
22.00003 1/83.0253.1253.4493.6081 31/321.9252.0131 3/321.0501.1380.0550.0470.055
2 1/42.25003 1/23.3883.5003.8624.0412 13/642.1552.2511 13/641.1551.2510.0610.0520.061
2 1/22.50003 7/83.7503.8754.2754.4742 29/642.4012.5051 29/641.4011.5050.0680.0580.068
2 3/42.75004 1/44.1124.2504.6884.9072 45/642.6472.7591 37/641.5221.6340.0740.0640.074
33.00004 5/84.4754.6255.1025.3402 61/642.8933.0131 45/641.6431.7630.0810.0700.081
3 1/43.250054.8385.0005.5155.7743 3/163.1243.2521 13/161.7481.8760.0870.0750.087
3 1/23.50005 3/85.2005.3755.9286.2073 7/163.3703.5061 15/161.8702.0060.0940.0810.094
3 3/43.75005 3/45.5625.7506.3416.6403 11/163.6163.7602 1/161.9902.1340.1000.0870.100
44.00006 1/85.9256.1256.7557.0733 15/163.8624.0142 3/162.1122.2640.1070.0930.107

Different Types Of ASTM A320 Nut

Different Types Of Bolts

Application of ASTM A320 Nut

Testing of ASTM A320 Nut

Packing of ASTM A320 Nut

Destination Of ASTM A320 Nut

Grade A320 Nyloc Nut Supplier in Chennai, Grade A320 Eye Nut Supplier in Hyderabad, ASTM A320 L7M Hex Head Nut Manufacturer in Ahmedabad, L7M Grade Hex Nut Exporter in Pimpri-Chinchwad, ASME SA320 Grade L7 Heavy Hex Nut Stockist in Coimbatore, L7 Grade Sqaure Nut Exporter in Bangalore, Grade L7 Acorn Nut Manufacturer in Jamnagar, ASME SA320 Grade L7 T Nut Stockist in Pune.

Grade A320 Eye Nut Supplier in Malaysia, Grade A320 Nyloc Nut Supplier in Qatar, Grade B8 Hex Nut Manufacturer in Nigeria, ASTM A320 B8 Square Nut Manufacturer in UAE, ASME SA320 Grade B8 T Nut Stockist in Indonesia, ASME SA320 Grade B8 Acorn Nut Stockist in Dubai, B8 Grade Acorn Nut Exporter in Argentina, ASME SA320 Grade B8 T Nut Stockist in South Africa, Grade A320 Wing Nut Supplier in Brazil, B8 Grade Wing Nut Exporter in Saudi Arabia, Grade B8 Acorn Nut Manufacturer in Singapore, B8 Grade Hex Head Nut Exporter in Tanzania.

Grade A320 T Nut Grade Chart, B8M Grade Square Nut at Factory Price, ASTM A320 B8M Nyloc Nut Price List, Grade B8M Acorn Nut Price Per Kg, ASME SA320 Grade B8M Eye Nut at Factory Price, ASME SA320 Grade B8M Wing Nut Weight Chart, Grade A320 Eye Nut Weight Calculator, ASME SA320 Grade B8M Hex Head Nut Catalogue, ASTM A320 B8M Wing Nut Specification, B8M Grade Hex Nut Price List in India.