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

Zhengzhou Huitong Pipeline Equipment Co.,Ltd.

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

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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

IS

BS

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
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

      
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