logo
Home
about us
Company Profile
factory tour
quality control
products

Mechanical Fasteners

Hex Head Bolt

Double Ended Bolt

Round Head Bolt

Countersunk Head Bolt

Foundation Anchor Bolts

Self Tapping Metal Screws

Hexagon Lock Nut

Hex Flange Nut

Plain Washer

Spring Lock Washer

Bolt And Nut Assembly

Flange

Metal Self Drilling Screw

Spiral Wound Gasket

Steel Pipe Fitting

Pressure Vessel Dished Ends

Galvanized Seamless Steel Pipe

Forging And Casting

Compression Spring
events
contact us
quote
english
français
Deutsch
Italiano
Русский
Español
português
Nederlandse
ελληνικά
日本語
한국
العربية
हिन्दी
Türkçe
indonesia
tiếng Việt
ไทย
বাংলা
فارسی
polski
home
about us
products

Mechanical Fasteners

Hex Head Bolt

Double Ended Bolt

Round Head Bolt

Countersunk Head Bolt

Foundation Anchor Bolts

Self Tapping Metal Screws

Hexagon Lock Nut

Hex Flange Nut

Plain Washer

Spring Lock Washer

Bolt And Nut Assembly

Flange

Metal Self Drilling Screw

Spiral Wound Gasket

Steel Pipe Fitting

Pressure Vessel Dished Ends

Galvanized Seamless Steel Pipe

Forging And Casting

Compression Spring
events
contact us
quote
banner banner

News Details
Home > News >

Company news about A193 B7

Events
Contact Us
Fiona Hou
flrs@mechanical-fasteners.com
86-29-86613868
Contact Now

A193 B7

2022-06-28

Bolt material：A193 B7 

 

Alloy-steel and stainless steel bolting for high temperature or high pressure service and other special purpose applications

 

Chemical composition:

Chemical composition C Si Mn P S Cr Mo
Min 0.38 0.15 0.75 - - 0.8 0.15
Max 0.48 0.35 1 0.04 0.04 1.1 0.25

 

Mechanical properties:

d （mm) Heat treatment σb σs δ ψ HBW
Mpa Mpa % %
d≤M64 tempering℃ ≥860 ≥720 ≥16 ≥50 ≤321
≥593
M64＜d≤M100 tempering℃ ≥795 ≥655 ≥16 ≥50 ≤321
≥593
M100＜d≤M180 tempering℃ ≥690 ≥515 ≥18 ≥50 ≤321
≥593

 

Approximate comparison table:

China USA Japan
GB ASTM AISI JIS
42CrMo A193 B7 4140
4142
4145		 SNB7

 

banner
News Details
Home > News >

Company news about-A193 B7

Events

News

Cases

A193 B7

2022-06-28

Bolt material：A193 B7 

 

Alloy-steel and stainless steel bolting for high temperature or high pressure service and other special purpose applications

 

Chemical composition:

Chemical composition C Si Mn P S Cr Mo
Min 0.38 0.15 0.75 - - 0.8 0.15
Max 0.48 0.35 1 0.04 0.04 1.1 0.25

 

Mechanical properties:

d （mm) Heat treatment σb σs δ ψ HBW
Mpa Mpa % %
d≤M64 tempering℃ ≥860 ≥720 ≥16 ≥50 ≤321
≥593
M64＜d≤M100 tempering℃ ≥795 ≥655 ≥16 ≥50 ≤321
≥593
M100＜d≤M180 tempering℃ ≥690 ≥515 ≥18 ≥50 ≤321
≥593

 

Approximate comparison table:

China USA Japan
GB ASTM AISI JIS
42CrMo A193 B7 4140
4142
4145		 SNB7

 

13359231060
Quick link
Home About Us Products Contact Us
Quick Contact

Address

No.3939 Eurasian Ave., Chanba Ecological District, Xi'an, China

Tel

86-29-86613868

13359231060
Our Newsletter
Subscribe to our newsletter for discounts and more.
Privacy Policy |  Sitemap  | China Good Quality Mechanical Fasteners Supplier. Copyright © 2020-2025 Shaanxi Flourish Industrial Co., Ltd. . All Rights Reserved.