Tensile Bolts

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Product Description

Related Keywords for ASTM A193 Grade B16 Bolts : ASTM A193 Grade B16,Grade 16 bolts,Grade B16 bolts,B16 Bolt Material,B16 Studs,Astm b16,B16 Steel bolts,grade b16 etc

B16	A heat-treated chromium-molybdenum-vanadium steel for high-pressure, high-temperature service.

Mechanical

Properties
Bolt -Grade Identification Markings

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
B8 Class 1	All	75	30	30	50
B8M Class 1	All	75	30	30	50
B8 Class 2	Up to 3/4	125	100	12	35
	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
	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
B16	Up to 2-1/2	125	105	18	50
	2-5/8 - 4	110	95	17	45
	4-1/8 - 7	100	85	16	45

Material Chemical Composition

Element	B7 (AISI 4140)	B8 (AISI 304)	B8M (AISI 316)	B16 (AISI 4140)
Carbon	0.37 - 0.49%	0.08% max	0.08% max	0.37 - 0.49%
Manganese	0.65 - 1.10%	2.00% max	2.00% max	0.65 - 1.10%
Phosphorus, max	0.035%	0.045%	0.045%	0.035%
Sulfur, max	0.040%	0.030%	0.030%	0.040%
Silicon	0.15 - 0.35%	1.00% max	1.00% max	0.15 - 0.35%
Chromium	0.75 - 1.20%	18.0 - 20.0%	16.0 - 18.0%	0.75 - 1.20%
Nickel		8.0 - 11.0%	10.0 - 14.0%
Molybdenum	0.15 - 0.25%		2.00 - 3.00%	0.15 - 0.25%