ASTM Standard Nuts are built of high-quality materials and are thus suitable for a wide range of industrial applications. The increased, high-pressure performance of ASTM A193 B8M Nuts bolts and nuts makes them perfect for use in process sectors such as chemicals and petroleum, where they are widely employed in pressure vessels.
We strive to provide the highest quality ASTM A193 B8 Nuts. Furthermore, the essential norms, laws, and guidelines are taken into account in order to make high-quality fasteners. Also, the necessary laws and regulations are taken into account so that they meet the needs of the clients as well as the application.
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ISO 9001 : 2015
Specification :-
Dimensions |
ASME B18.2.1, B18.3 |
|---|---|
Melt Origin |
South America/East Europe/JapanKorea/ |
Product Origin |
Made in India |
Threads Configuration |
ASME B1.1 2A/3A Inch Unified Threads and B1.13M 6h Metric Coarse Threads |
Certification |
Dual Certified As per ASTM & ASME Codes |
Additional Certifications |
PED 97/23/EC Certified, Merkblatt AD 2000 W2 Certified |
Mandatory Requirements |
Free from Mercury & Radioactive Contamination |
Additional Requirements |
NACE MR0103 / MR0175 / ISO 15156 Compliance |
Equivalent Grades
| STANDARD | WERKSTOFF NR. | UNS | JIS | BS | GOST | AFNOR | EN |
| B8 (AISI 304) | 1.4301 | S30400 | SUS 304 | 304S31 | 08Х18Н10 | Z7CN18‐09 | X5CrNi18-10 |
| B8M (AISI 316) | 1.4401 / 1.4436 | S31600 | SUS 316 | 316S31 / 316S33 | - | Z7CND17‐11‐02 | X5CrNiMo17-12-2 / X3CrNiMo17-13-3 |
| B8 CL2(AISI 304) | 1.4301 | S30400 | SUS 304 | 304S31 | 08Х18Н10 | Z7CN18‐09 | X5CrNi18-10 |
| B8C(AISI 347) | 1.4550 | S34700 | SUS 347 | - | - | - | X6CrNiNb18-10 |
| B6(AISI 410) | 1.4006 | S41000 | SUS 410 | 410S21 | - | - | X12Cr13 |
| B6X(AISI 410) | 1.4006 | S41000 | SUS 410 | 410S21 | - | - | X12Cr13 |
| B8T(AISI 321) | 1.4541 | S32100 | SUS 321 | - | - | - | X6CrNiTi18-10 |
| B8MLCuN(AISI 304) | 1.4301 | S30400 | SUS 304 | 304S31 | 08Х18Н10 | Z7CN18‐09 | X5CrNi18-10 |
| Grade 8 (AISI 304) | 1.4301 | S30400 | SUS 304 | 304S31 | 08Х18Н10 | Z7CN18‐09 | X5CrNi18-10 |
| Grade 8M (AISI 316) | 1.4401 / 1.4436 | S31600 | SUS 316 | 316S31 / 316S33 | - | Z7CND17‐11‐02 | X5CrNiMo17-12-2 / X3CrNiMo17-13-3 |
| Grade 8C(AISI 347) | 1.4550 | S34700 | SUS 347 | - | - | - | X6CrNiNb18-10 |
| Grade 6(AISI 410) | 1.4006 | S41000 | SUS 410 | 410S21 | - | - | X12Cr13 |
| Grade 6X(AISI 410) | 1.4006 | S41000 | SUS 410 | 410S21 | - | - | X12Cr13 |
| Grade 8T(AISI 321) | 1.4541 | S32100 | SUS 321 | - | - | - | X6CrNiTi18-10 |
| Grade 8MLCuN(AISI 304N) | 2.4856 | N06304n | - | 3076 | - | - | - |
| 1.4980 | 1.4980 | S66286 | - | - | - | - | - |
Chemical Composition
| Grade | C | Mn | Si | P | S | Cr | Mo | Ni | N |
| B8 (AISI 304) | 0.08 max | 2.00 max | 1.00 max | 0.045 max | 0.030 max | 18.00 - 20.00 | - | 8.00 - 11.00 | - |
| B8M (AISI 316) | 0.08 max | 2.00 max | 1.00 max | 0.045 max | 0.030 max | 16.0 – 18.0 | 2.00 – 3.0 | 10.0 – 14.0 | - |
| B8 CL2 (AISI 316) | 0.08 max | 2.00 max | 1.00 max | 0.045 max | 0.030 max | 16.0 – 18.0 | 2.00 – 3.0 | 10.0 – 14.0 | - |
| B8C (AISI 347) | 0.08 max | 2.00 max | 1.00 max | 0.045 max | 0.030 max | 17.00 - 19.00 | - | 12.00 - 13.00 | - |
| B6 (AISI 410) | 0.08 - 0.15 | 1.00 max | 1.00 max | 0.040 max | 0.030 max | 11.5 - 13.5 | - | - | - |
| B6X (AISI 410) | 0.08 - 0.15 | 1.00 max | 1.00 max | 0.040 max | 0.030 max | 11.5 - 13.5 | - | - | - |
| B8T (AISI 321) | 0.10 min | 1.00 max | 1.00 max | 0.040 max | 0.030 max | 4.00-6.00 | 0.40-0.65 | - | - |
| B8MLCuN (AISI 304) | 0.02 max | 1.00 max | 0.80 max | 0.030 max | 0.010 max | 19.50 - 20.50 | 6.00 - 6.50 | 17.50 - 18.50 | - |
| Grade 8 (AISI 304) | 0.080 max | 2.00 max | 1.00 max | 0.045 max | 0.030 max | 18.0-20.0 | - | 8.0-11.0 | - |
| Grade 8M (AISI 316) | 0.080 max | 2.00 max | 1.00 max | 0.045 max | 0.030 max | 16.0-18.0 | 2.00-3.00 | 10.0-14.0 | - |
| Grade 8C (AISI 347) | 0.08 max | 2.00 max | 1.00 max | 0.045 max | 0.030 max | 17.00 - 19.00 | - | 12.00 - 13.00 | - |
| Grade 6 (AISI 410) | 0.08 - 0.15 | 1.00 max | 1.00 max | 0.040 max | 0.030 max | 11.5 - 13.5 | - | - | - |
| Grade 6X (AISI 410) | 0.08 - 0.15 | 1.00 max | 1.00 max | 0.040 max | 0.030 max | 11.5 - 13.5 | - | - | - |
| Grade 8T (AISI 321) | 0.10 min | 1.00 max | 1.00 max | 0.040 max | 0.030 max | 4.00-6.00 | 0.40-0.65 | - | - |
| Grade 8MLCuN (AISI 304) | 0.02 max | 1.00 max | 0.80 max | 0.030 max | 0.010 max | 19.50 - 20.50 | 6.00 - 6.50 | 17.50 - 18.50 | 0.18 - 0.22 |
| 1.4980 | 0.08 max | 2.00 max | 1.00 max | 0.040 max | 0.030 max | 13.5-16.0 | 1.00-1.50 | 24.0-27.0 | - |
Mechanical Properties
| Bolt Grade | Diameter, in. | Tensile Strength, ksi | Yield Strength ksi | Elongation, % | Reduction, % | Hardness |
|---|---|---|---|---|---|---|
| B6 | up to 4, inclusive | 110 | 85 | 15 | 50 | Not Defined |
| B8, B8M | All Diameters | 75 | 30 | 30 | 50 | 223 HBW or 96 HRB |
| B8MLCuNA | All Sizes | 75 | 30 | 30 | 50 | 192 HBW or 90 HRB |
| B8CL 2, B8T, | 3/4 and under | 125 | 100 | 12 | 35 | 321 HBW or 35 HRC |
| Over 3/4 to 1, inclusive | 115 | 80 | 20 | 45 | 321 HBW or 35 HRC | |
| Over 1 to 1 1/4, inclusive | 105 | 65 | 25 | 45 | 321 HBW or 35 HRC | |
| Over 1 1/4 to 1 1/2, inclusive | 100 | 50 | 30 | 45 | 321 HBW or 35 HRC | B8C Class 1A | All Sizes | 75 | 30 | 30 | 50 | 223 HBW or 96 HRBC |
|
B8C Class 2B |
3/4 and under | 125 | 100 | 12 | 35 |
321 HBW or 35 HRC |
| over 3/4 to 1, inclusive | 115 | 80 | 15 | 35 | ||
| over 1 to 1-1⁄4, inclusive | 105 | 65 | 20 | 35 | ||
| over 1-1⁄4 to 11⁄2, inclusive | 100 | 50 | 28 | 45 |
Applications & Operations
We at DC Engineering make sure that our every product is made of high quality raw material. We thoroughly test each and every product before dispatching it to our customers. DC Engineering is one of the most trusted manufacturers and suppliers of fasteners and bolts which are applicable in various industries.
- Gas Processing Industries
- Petrochemical Industries
- Power Generation Industries
- Food Processing Industries
- Chemical Industries
- Oil & Gas Industries
- Fertilizers Industries
- Sugar Industries
Experimentation & Testing
DC Engineering is known for its accurate and perfect dimensions. We at DC engineering thoroughly test all our products before shipping them to the customers. We carry out destructive as well as non-destructive tests on all our products.
- Impact Analysis
- Eddy Current Examining
- Power Generation Industries
- Hydrostatic Analysis
- Prompt Test
- Positive Material Recognition
- Large-Scale Test
- Pitting Protection Test
Packaging & Dispatching
DC Engineering uses the most safest and the most effective ways of packaging for all types of deliveries. We pack our goods in various ways such as:
- Wooden Boxes
- Wooden Crates
- Wooden Pallets
- Carton Boxes
- Shrink-Wrapped
- Bubble Wrap Packing Material
- Laminated & Metallized Films
- Wooden or Plastic Crates
Cities We Export
Srinagar, Tamil Nadu, West Bengal, Vijayawada, Maharashtra, Rajkot, Karnataka, Akola, Amravati, Kanpur, Aurangabad, Andhra Pradesh, Saharanpur, Vasai, Varanasi, Faridabad, Bhadreswar, Jhansi, Nashik, Solapur, Surat, Nagpur, Raipur, Haryana, Buxar, Bhavnagar, Pune, Punjab, Banswara, Uttar Pradesh, Tadepalligudem, Manipur,Delhi, Dhanbad, Guntur, Gujarat, Ludhiana, Kalyani, Nagapattinam, Benin, Vadodara, Kerala, Patna, Ulhasnagar, Chhattisgarh, Mizoram, Chennai, Kurnool, Datia, Mangalore, Ambala, Kota, Miryalaguda, Orissa, Mumbai, Nagda, Bikaner, Ballia, Allahabad, Suryapet, Jaipur, Haora, Durgapur, Udgir, Jodhpur, Amritsar, Kalyan, Bangalore, Puducherry, Agra, Kolkata, Tirunelveli, Gujarat, India, Lucknow, Meerut, Dehradun, Bihar, Ujjain, Jharkhand, Ahmedabad, Coimbatore, Sadar, Jamnagar, Hyderabad, Chandigarh, Ranchi, Jamalpur, Ambattur, Jabalpur, Waghala, Nagaur, Gulbarga
Countries We Export
Iran, Ecuador, Mexico, Afghanistan, Bulgaria, Denmark, Kenya, Singapore, Portugal, Venezuela, Sri Lanka, Chile, Gabon, Colombia, Belgium, Peru, Belarus, Yemen, Thailand,France, Italy, Mexico, Greece, Kuwait, Romania, Iraq, Netherlands, Sweden, Switzerland, Lithuania, Lebanon, Poland, Philippines, United Kingdom, Norway, Angola, Kazakhstan, Taiwan, Nigeria, Poland, China, Nigeria, Spain, Mongolia, New Zealand, United States, Hungary, Libya, Serbia, Ukraine, Finland, South Africa, Iran, Vietnam, Israel, Czech Republic, Slovakia, Hong Kong, Azerbaijan, Qatar, Japan, Oman, Malaysia, Pakistan, Algeria, Bangladesh, Jordan, Indonesia, Russia, United Arab Emirates, Brazil, Estonia, Turkey, Austria, Croatia, Ghana, Bahrain, Korea, Canada, Bolivia, Costa Rica, Trinidad & Tobago, Tunisia, Chile, Morocco, Bhutan, Argentina, Egypt