Carbon Steel High Tensile ASTM A193 B7 Stub Bolt with A194 2h Heavy Hex Nut

• Customization: Available
• Material: Chrome-Moly Alloy
• Type: Hexagon Head
• Model NO.: M146
• Connection: Hinged Bolts
• Head Style: Hexagonal
• Standard: DIN, ANSI
• Finish: Pfte Coated
• Certificate: ISO, Ce
• Color: Blue, Black, Zinic White, Yellow Zinc
• Transport Package: in Sea Worthy Export Packing
• Specification: 1/2" to 4"
• Trademark: Kingmetal
• Origin: China
• Production Capacity: 10000 Tons Per Month

Product Description

Carbon Steel High tensile ASTM A193 B7 Stub bolt with A194 2H Heavy hex nut
 

Standard:	ASTM, DIN
Size:	1/2"-4", M5-M64
Material:	Alloy Steel
Grade:	ASTM A193 Gr.B7, B7M,B8, B16
Length:	<=6m
Finish:	Plain, ZincPlated(Clear/Blue/Yellow/Black), H.D.G.
Packing:	bulk in cartons (25kg Max.)+wood Pallet or according to customer special demand
Application:	Structural Steel; Metal Building; Oil&Gas; Tower&Pole; Wind Energy; Mechanical Machine; Automobile
Test Equipment:	Caliper, Go&No-go gauge, Tensile test machine, Hardness tester, Salt spraying tester, H.D.G. thickness tester, 3D detector, Projector, Magnetic flaw detector
Supply Ability:	1000 tons per month
Payment	T/T, L/C etc
Market:	South&north America/Europe/East&South east Asia/ Australia and etc.

ASTM A193 Stud Bolts: Chemical Composition

Physical Element	ASTM A193 grade B7	ASTM A193 grade B8	ASTM A193 grade B8M
Carbon	0.38 - 0.48%	0.08% max	0.08% max
Manganese	0.75 - 1.00%	2.00% max	2.00% max
Phosphorus, max	0.035%	0.045%	0.045%
Sulfur, max	0.040%	0.030%	0.030%
Silicon	0.15 - 0.35%	1.00% max	1.00% max
Chromium	0.80 - 1.10%	18.0 - 20.0%	16.0 - 18.0%
Nickel	absent	8.0 - 11.0%	10.0 - 14.0%
Molybdenum	0.15 - 0.25%	absent	2.00 - 3.00%

ASTM A193 Stud Bolts: Mechanical Properties

ASTM A193	Size	Min Tensile Strength (KSI)	Min Yield Strength (KSI)	Min Elongation (%)	RA % min	Max HBW	Max HRC
ASTM A193 grade B7	Up to 2-1/2	125	105	16	50	321	35
	2-5/8 - 4	115	95	16	50
	4-1/8 - 7	100	75	18	50
ASTM A193 grade B8 Class 1	All	75	30	30	50	223	35
ASTM A193 grade B8M Class 1	All	75	30	30	50	223	96
ASTM A193 grade B8 Class 2	Up to 3/4	125	100	12	35	321	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
ASTM A193 grade B8M Class 2	Up to 3/4	110	95	15	45	321	35
	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