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ASTM A193 B7 A320 L7 A194 2H Nickel Alloy Fasteners Bolt Nut Washer

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ASTM A193 B7 A320 L7 A194 2H Nickel Alloy Fasteners Bolt Nut Washer

Brand Name : HT

Model Number : M6-M100

Certification : PED SGS ISO TUV

Place of Origin : China

MOQ : 1PC

Price : Negotiable

Payment Terms : L/C, D/A, D/P, T/T, Western Union, MoneyGram

Supply Ability : 100000000sets per month

Delivery Time : 1~30days

Packaging Details : Plywood case,pallet,etc.

Bolt Type : Stud Bolt Hex Boltt Threaded Rod U-Bolt Hex Socket Screw

Nut Type : Hex Nut Hex Heavy Nut

Waher Type : Plain Flat Spring Washer

Bolt Standard : DIN931 933 912 976 3570/ASME B18.2.1

Nut Standard : DIN934 ASME B18.2.2

Washer Standard : DIN125 127/ASME B18.22.1

DIN Size : M6-M100

ASME Size : 1/4''~5''

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ASTM A193 Grade B7 Fasteners Mechanical Properties

1. ASTM A193 Grade B7 Fasteners Specification

FASTENERS -SCREWS, BOLTS AND NUTS FOR TOUGHEST USE

Material

Size

Length

Specification

Manufacturer

ASTM A193 Grade B7 Fasteners

M 02 to M 160

3 mmto200 mm

ASTM

GKW

Unbrako

Kundan

APL

Sundaram Precision

Infasco

EBY Fastener Etc.

Key Words: Subcategories:ASTM A93 B7 Bolts, A193 B7 Bolts,Grade B7 Bolts,A193 Grade B7,SA 193 B7 bolts,B7 Studs,B7 Studs Material,B7 Threaded Rod,B7 Threaded Bar etc

2. ASTM A193 Grade B7 Fasteners Useful Information

A193 Grade B7 Class Bolts are manufactured from AISI 4140/4142 low Carbon Alloy Steel Grades followed by quencing & tempering. We manufacture these Bolts with great precision & Quality. These grade bolts are also denoted as Grade 7 Bolts,B7 Bolts etc. We Also offer B7 Studs/B7 threaded bars/B7 Threaded rods.TorqBolt Stocks & Supply these Bolt Fasteners in various sizes & Coatings.

ASTM A193 Grade B7 Fasteners Mechanical Properties

3. 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

4. ASTM A193 Grade B7 Fasteners Chemical Composition

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
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	0.75 – 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%

Standard / Material grade	C	Mn	P	S	Si	Cr	Mo	Al	V
ASTM A193 B7 (Cr- Mo AISI 4140,4142,4145 )	0.37-0.49	0.65-1.10	0.035 Max	0.04 Max	0.15-0.35	0.75-1.20	0.15-0.25	–	–
ASTM A1193 B7M (Cr- Mo AISI 4140,4142,4145 )	0.37-0.49	0.65-1.10	0.035 Max	0.04 Max	0.15-0.35	0.75-1.20	0.15-0.25	–	–
ASTM A193 B16 (Cr- Mo -V )	0.36-0.47	0.45-0.70	0.035 Max	0.04 Max	0.15-0.35	0.80-1.15	0.50-0.65	0.015Max	0.25-0.35
ASTM A193 B5 (5% Cr AISI 501)	0.10 max	1.00 max	0.040 max	0.030 Max	1.00 Max	0.40 -6.00	0.40 -0.65	–	–
ASTM A320-L7 (Cr- Mo AISI 4140,4142,4145 )	0.38-0.48	0.75-1.00	0.035 Max	0.04 Max	0.15-0.35	0.80-1.10	0.15-0.25	–	–
ASTM A 320 L7M	0.38-0.48	0.75-1.00	0.035 Max	0.04 Max	0.15-0.35	0.80-1.10	0.15-0.25	–	–
ASTM A194 Gr.2H	0.40 Min	1.00 Max	0.040 Max	0.050 Max	0.40 Max	–	–	–	–
ASTM A194 Gr.2HM	0.40 Min	1.00 Max	0.040 Max	0.050 Max	0.40 Max	–	–	–	–
ASTM A194 Gr.4	0.40-0.50	0.70-0.90	0.035 Max	0.04 Max	0.15 – 0.35	0.20 – 0.30	–	–	–

5. Recommended Nuts, Bolts & Washer

Bolt Grade	Nuts	Washers
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

ASTM A193 B7 A320 L7 A194 2H Nickel Alloy Fasteners Bolt Nut Washer

Product Tags:

alloy steel fasteners

threaded rod fasteners

ASTM A193 B7 A320 L7 A194 2H Nickel Alloy Fasteners Bolt Nut Washer Images

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