ASTM A193 Grade B8 Class 1 Bolts are used very commonly in petrochemical plants, Chemical Plants, fertilizer plants shipyards etc mostly for flange joints. B8 Class 1 bolts have high tensile strength and are governed by ASTM A193 Grade Standard.
ASTM A193 Grade B8 Class 1 Bolts are manufactured from AISI 304 Stainless Steel carbide solution treated with Strain Hardening. We manufacture these Bolts with great precision & Quality. Grade B8 Class 1 Bolts are also called B8 Stainless Steel bolts, B8 Bolts Class 1 Etc Unifit Metalloys Inc Stocks & Supply these Bolt Fasteners in various sizes & Coatings.
Unifit Metalloys Inc is a pioneer in ASTM A193 B8 Class 1 Bolts.
Related Keyphrase for ASTM A193 Grade B8 Class 1 Bolts : Grade 8 class 1 Bolts,Grade B8 bolts,Gr 8 Bolts,B8 Class 1,A193 B8 Bolts,B8 Studs,B8 Bolting etc.
|B7||Alloy steel, AISI 4140/4142 quenched and tempered|
|B8||Class 1 Stainless steel, AISI 304, carbide solution treated.|
|B8M||Class 1 Stainless steel, AISI 316, carbide solution treated.|
|B8||Class 2 Stainless steel, AISI 304, carbide solution treated, strain hardened|
|B8M||Class 2 Stainless steel, AISI 316, carbide solution treated, strain hardened|
|Grade||Size||Tensile ksi, min||Yield, ksi, min||Elong, %, min||RA % min||HBW||HRC|
|B7||Up to 2-1/2||125||105||16||50||321 max||35 max|
|2-5/8 – 4||115||95||16||50|
|4-1/8 – 7||100||75||18||50|
|B8 Class 1||All||75||30||30||50||223 max||35 max|
|B8M Class 1||All||75||30||30||50||223 max||96 max|
|B8 Class 2||Up to 3/4||125||100||12||35||321 max||35 max|
|7/8 – 1||115||80||15||35|
|1-1/8 – 1-1/4||105||65||20||35|
|1-3/8 – 1-1/2||100||50||28||45|
|B8M Class 2||Up to 3/4||110||95||15||45||321 max||35 max|
|7/8 – 1||100||80||20||45|
|1-1/8 – 1-1/4||95||65||25||45|
|1-3/8 – 1-1/2||90||50||30||45|
|Element||B7 (AISI 4140)||B8 (AISI 304)||B8M (AISI 316)|
|Carbon||0.37 – 0.49%||0.08% max||0.08% max|
|Manganese||0.65 – 1.10%||2.00% max||2.00% max|
|Silicon||0.15 – 0.35%||1.00% max||1.00% max|
|Chromium||0.75 – 1.20%||18.0 – 20.0%||16.0 – 18.0%|
|Nickel||8.0 – 11.0%||10.0 – 14.0%|
|Molybdenum||0.15 – 0.25%||2.00 – 3.00%|
|B7||A194 Grade 2H||F436|
|B8 Class 1||A194 Grade 8||SS304|
|B8M Class 1||A194 Grade 8M||SS316|
|B8 Class 2||A194 Grade 8||SS304|
|B8M Class 2||A194 Grade 8M||SS316|
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UMI are Supplier of A193 B8 Class 1 Bolts in India
We Manufacture and Supply our best quality A193 B8 Class 1 Bolts all over India Such as Mumbai, Pune, Indore, Nagpur, Noida, Jaipur, Rajkot, Haryana, Surat, Ludhiana, Baroda, Howrah, Ahmedabad, Primp-Chinchwad, Bhopal, Faridabad, Thiruvananthapuram, Bengaluru, Thane, Ranchi, Kolkata, Gurgaon, Coimbatore, Nashik, Ernakulam, Vadodara, Navi Mumbai, Kanpur, New Delhi, Chennai, Mumbai, Jamshedpur, Hyderabad, Visakhapatnam, Chandigarh, Secunderabad, Jammu & Kashmir, Wardha, West Bengal, Tamil Nadu, Punjab, Karnataka, Hazira, Varanasi, Raipur, Bihar, Madhya Prades, Uttar Pradesh, Sikkim, Telengana, Manipur, Kochi, Jabalpur, Bhubaneshwar, Guwahati, Mangalore, Mysore, Merut, Udaipur, Dehradun, Coimbatore