Alloy Steel Stud Bolts

Alloy Steel Stud Bolts & Low Alloy Steel Stud Bolts Manufacturer & Suppliers in Mumbai India

ASTM A193 Alloy Steel Stud Bolt Set, Alloy Steel Stud Bolts Distributors & Low Alloy Steel Stud Bolts Stockist Dealers India

Torque Data For Use With Alloy Steel Stud Bolts | Stud Bolts Dimensions | Stud Bolts Specifications

Description:

Stud Bolts are are fully threaded headless bolts used on Pipeline flanges for joining the pipelines. The main advantage of Stud Bolts over the Hex Bolts is that, it can be tightened from both the ends by holding one end with nut.

The other type of Stud Bolt is the Engineering Stud which is also known as both end threaded bolt with unthreaded portion in the centre.

Type: Full threads, Partial Threads, and customized as per requirements.

Size: Nom Dia: ¼" to 4" [6-100 mm] *Tailor made if required. Length: As Per Standard or Upto any Length

Specification: ASTM / ASME / BS / DIN / BS EN ISO

Specification	Material	Nominal Size (In.)	Mechanical Properties
			Minimum Tempering Temperature °F	Elongation in 4D, min, %	Yield Strength, min, 0.2 % offset, ksi	Tensile Strength, min, ksi	Reduction of Area, min, %	Hardness, max	Finish Treatment
ASTM A193 Grade B7	AISI 4140, 4142, 4105	1/2 to 2-1/2	1100	16	105	125	50	321HB or 35HRC	Black Oxide Zinc Plated Nickel Plated Phosphated HDG Dacromet Cadmium Plated PTFE(Teflon)
		2-1/2 to 4			95	115
ASTM A193 Grade B7M	AISI 4140, 4142, 4105	1/2 to 4	1150	18	80	100		235HB or 99HRB
ASTM A193 Grade B16	CrMoVa Alloy Steel	1/2 to 2-1/2	1200	18	105	125	50	321HB or 35HRC
		2-1/2 to 4		17	95	110	45
Specification	Material	Nominal Size (In.)	Minimum Tempering  Temperature °F	Proof Load Stress (ksi)	Hardness Rockwell		Nut Type
					Min	Max
ASTM A194 Grade 2H	Medium Carbon Steel, Quenched and Tempered	1/2 to 4	850	175	C24	C35	Heavy hex nut Hex thin nut Hex nut
ASTM A194 Grade 2HM	Medium Carbon Steel, Quenched and Tempered	1/2 to 4	1150	150	159	235
ASTM A194 Grade 4	Medium Carbon Alloy Steel, Quenched and Tempered	1/2 to 4	1100	175	C24	C35
ASTM A194 Grade 7	Medium Carbon Alloy Steel, Quenched and Tempered	1/2 to 4	1100	175	C24	C35
ASTM A194 Grade 7M	Medium Carbon Alloy Steel, Quenched and Tempered	1/2 to 4	1150	150	159	235

Torque Data For Use With Alloy Steel Stud Bolts

Torque, is the measurement of the turning or twisting force applied to an object. This desired result is to hold two parts together with a tension or clamping force that is greater than any external force that could possibly separate them. The part then remains under constant stress and is immune to fatigue. The torque required to produce a certain stress in bolting is dependent upon a number of conditions, some of which are:

 Diameter of bolt
 Type and number of threads on bolt.
 Material on bolt.
 Condition of nut bearing surfaces.
 Lubrication of bolt threads and nut bearing surfaces.

The tables below reflect the results of many tests to determine the relation between torque and bolt stress. Values are based on steel bolting well lubricated with a heavy graphite and oil mixture. It was found that a non-lubricated bolt has an efficiency of about 50% of a well lubricated bolt and also that different lubricants produce results varying between the limits of 50% - 100% of the tabulated stress figures.

Data for Use With Alloy Steel Stud Bolts Load in Pounds on Stud Bolts when Torque Loads are Applied

Data for Use With Machine Bolts and Cold Rolled Steel Stud Bolts Load in Pounds on Bolts and Stud Bolts When Torque Loads are Applied.

Torque Conversion Chart English to Metric

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