Esparragos ASTM A320 L7 / L7m Stud Bolt

Product Details
Customization: Available
Material: High Strength Steel
Type: Round Head
Gold Member Since 2020

Suppliers with verified business licenses

Audited Supplier Audited Supplier

Audited by an independent third-party inspection agency

Years of Export Experience
The export experience of the supplier is more than 10 years
Management Certification
The supplier has quality management system certification, including:
ISO9001:2015 certificate
ISO45001:2018 certificate
ISO14001
Quality Assurance
The supplier provides quality assurance
Fast Delivery
The supplier can deliver the goods within 15 days
to see all verified strength labels (30)
Find Similar Products

Basic Info.

Model NO.
ASTM A320 L7 / L7M
Connection
Common Bolt
Head Style
Round
Standard
ANSI
Grade
ASTM A320 L7
Application
Chemical Industry
Finish
Hot Galvanizing
Steel Grade
ASTM A320 L7
Transport Package
Playwood Box, Wooden Case
Specification
ESPARRAGOS ASTM A320 L7 / L7M
Trademark
C&N
Origin
China
Production Capacity
100tons/Month

Product Description


We offer high quality ASTM A320 L7 Bolts from 3/8" to 2" Diameter in multiple lengths and either standard thread length or custom thread length


A320 Grades
 

L7 Alloy steel
AISI 4140/4142 Quenched and tempered
L43 Alloy steelAISI 4340 Quenched and tempered
B8 Class 1 Stainless steelAISI 304, carbide solution treated
B8M Class 1 Stainless steelAISI 316, carbide solution treated
B8 Class 2 Stainless steelAISI 304, carbide solution treated, strain hardened
B8M Class 2 Stainless steelAISI 316, carbide solution treated, strain hardened

A320 Mechanical Properties
 

Grade
DiameterTensile, ksi, minYield, ksi, minCharpy Impact 20-ft-lbf @ tempElong, %, minRA, %, min
L7Up to 21?2125105-150° F1650
L43Up to 4125105-150° F1650
B8 Class 1All7530N/A3050
B8M Class 1All7530N/A3050
B8 Class 2Up to 3?4125100N/A1235
7?8 - 111580N/A1535
11?8 - 11?410565N/A2035
13?8 - 11?210050N/A2845
B8M Class 2Up to 3?411095N/A1545
7?8 - 110080N/A2045
11?8 - 11?49565N/A2545
13?8 - 11?29050N/A3045

A320 Chemical Properties
 

Element
L7 (AISI 4140)L43 (AISI 4340)B8 (AISI 304)B8M (AISI 316)
Carbon0.37 - 0.49%0.38 - 0.43%0.08% max0.08% max
Manganese0.65 - 1.10%0.75 - 1.00%2.00% max2.00% max
Phosphorus, max0.035%0.035%0.045%0.045%
Sulfur, max0.040%0.040%0.030%0.030%
Silicon0.15 - 0.35%0.15 - 0.35%1.00% max1.00% max
Chromium0.75 - 1.20%0.70 - 0.90%18.0 - 20.0%16.0 - 18.0%
Nickel
1.65 - 2.00%8.0 - 11.0%10.0 - 14.0%
Molybdenum0.15 - 0.25%0.20 - 0.30%
2.00 - 3.00%

Send your message to this supplier

*From:
*To:
*Message:

Enter between 20 to 4,000 characters.

This is not what you are looking for? Post a Sourcing Request Now
Contact Supplier