Alloy Steel Gr. B7 ASTM A193 Stud Bolts, ASTM A193 Bolts, ASTM A193 Grade B7 Square Bolts, ASTM SA193 Hex Bolts, ASTM A193 Screws Exporter in Worldwide.
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Production, Supply, Stock Range of ASTM A193 B7
Thread Diameters : Up to 2-1/2
Threads Configuration : ASME B1.1 2A/3A – 2B/3B Inch Unified Threads and B1.13M 6h-6G Metric Coarse Threads
Certification : Dual Certified As per ASTM & ASME Codes
Standard Specification for Alloy-Steel and Stainless Steel Bolting Materials for High-Temperature Service
The specification for ASTM A193 covers alloy and stainless steel bolting for pressure vessels, valves, flanges, and fittings for high temperature or high pressure service, or other special purpose applications. The ASTM A193 specification covers bars, bolts, screws, studs, stud bolts, and wire. The material may be further processed by centerless grinding or by cold drawing. Below are some of the ASTM A193 grades used commonly by Metallica Metals Indias.
ASTM A193 B7 Bolts
|ASTM A193 B7||Alloy steel, AISI 4140/4142 quenched and tempered|
ASTM A193 B7 Characteristics
|Grade||Description||Diameter||Tensile Strength, min.||Yield Strength, min.||Hardness, max.||Marking|
|ASTM A193 B7||Chromium-Molybdenum||2 1/2” and under||125||105||321 HB or 35 HRC||B7|
|over 2 1/2” to 4”||115||95||321 HB or 35 HRC|
|over 4” to 7”||100||75||321 HB or 35 HRC|
ASTM A193 B7 Chemical Properties
|Element||B7 (AISI 4140)|
|Carbon||0.37 - 0.49%|
|Manganese||0.65 - 1.10%|
|Silicon||0.15 - 0.35%|
|Chromium||0.75 - 1.20%|
|Molybdenum||0.15 - 0.25%|
ASTM A193 B7 Mechanical Properties
|Grade||Size||Tensile ksi, min||Yield, ksi, min||Elong, %, min||RA % min|
|B7||Up to 2-1/2||125||105||16||50|
|2-5/8 - 4||115||95||16||50|
|4-1/8 - 7||100||75||18||50|
ASTM A193 B7 Bolts Manufacturer, SA193 Bolts Supplier in India, Qatar, Kuwait, Oman , Saudi Arabia, UAE- ASME, DIN, AS, BS
Metallica Metals India is a leading manufacturer and exporter of astm a193 bolts in India. Our inventory includes astm sa193 stud bolts in many grades including Alloy Steel AISI 4140/4135/4142 bolts are readily available in all standard sizes and schedules.