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.

ASTM NUTS

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.


Largest Inventory


Customer Support


On Time Deliveries


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