+1
In This Store
Products
Suppliers
Buying leads
Whatsapp
Wechat
Email
buyer@chinafastener.com
Call Us

+86 18588814900

BS 916 Black square bolts-turning
FOB Reference Price:Get Latest Price
Material:
Steel, S/S
Marks:
B7M, B8, B8A, B8LNA, B8CLN
Grade:
Class 9.8, Class12.9, Gr 1-J429, Gr 2-J429, Gr B7M-A193/193M, Gr B8-A193/193M, Gr B8A-A193/193M, Gr B8CLN-A193/193M, Gr B8LNA-A193/193M
Finshing:
Blue-white zinc, White zinc, Yellow zinc, Phosphated, Black, Nickel, Black zinc
Specifications:
5/16×9/16 5/16×5/8 5/16×11/16 7/16×9/16 7/16×5/8 7/16×11/16 1/2×9/16 1/2×5/8 1/2×11/16 9/16×9/16 9/16×5/8 9/16×11/16 All 12 Options
Quantity:
Payment Terms:
Favorites
Share
Test company(测试账号)
Manufacturer
Tel:

86-571-12345678

Email:

2227593108@qq.com

Basic Info
Standard
BS 916
Thread
BSW-thread
Ex-drive
Square
Shank
Normal shank
Brand
科镁隆(英文)
Unit
piece
Material
Steel, S/S
Performance Grade
Class 9.8, Class12.9, Gr 1-J429, Gr 2-J429, Gr B7M-A193/193M, Gr B8-A193/193M, Gr B8A-A193/193M, Gr B8CLN-A193/193M, Gr B8LNA-A193/193M
Marks
B7M, B8, B8A, B8LNA, B8CLN
Surface Treatment
Blue-white zinc, White zinc, Yellow zinc, Phosphated, Black, Nickel, Hot dip galvanized, Black zinc
Performance Grade
Class 9.8Class12.9Gr 1-J429Gr 2-J429Gr B7M-A193/193M
Tempering temperature min
425℃
Tensile Nom
1000MPa
Tensile min
1000MPa
Yield strength Nom
900MPa
Yield strength min
940MPa
Proof load Nom
830MPa
Elongation after fracture of machined test pieces min
9%
Percentage reduction of area after fracture, Machined test pieces min
48%
Vickers hardness F no less than 38N min
320HV
Vickers hardness F no less than 38N max
380HV
Brinell hardness F=30D^2 min
316HB
Brinell hardness F=30D^2 max
375HB
Rockwell hardness min
39HRC
Rockwell hardness max
44HRC
Surface hardness and Core hardness HV0.3
32
Hardness decrease of retempering max
20HV
Absorbed energy min
27J
Material Description
B7MB8B8AB8LNAB8CLN
C max
0.18%
C min
0.38%
Cr max
1.1%
Cr min
0.8%
Mn max
1%
Mn min
0.75%
Mo max
0.25%
Mo min
0.15%
P max
0.035%
S max
0.04%
Si max
0.35%
Si min
0.15%
C max
0.08%
Cr max
20%
Cr min
18%
Mn max
2%
Ni max
11%
Ni min
8%
P max
0.045%
S max
0.03%
Si max
1%
C max
0.08%
Cr max
20%
Cr min
18%
Mn max
2%
Ni max
11%
Ni min
8%
P max
0.045%
S max
0.03%
Si max
1%
C max
0.03%
Cr max
22%
Cr min
18%
Mn max
2%
N max
0.16%
N min
0.1%
Ni max
11%
Ni min
8%
P max
0.045%
S max
0.03%
Si max
1%
C max
0.02%
C min
0.005%
Cr max
19%
Cr min
17%
Mn max
2%
N max
0.1%
N min
0.06%
Nb max
0.5%
Nb min
0.2%
Ni max
13%
Ni min
9%
P max
0.045%
S max
0.03%
Si max
1%
Surface Treatment
Blue-white zincWhite zincYellow zincPhosphatedBlackNickelBlack zinc
Code
A2K
Description
Blue-white zinc, bright surface
Thickness
5um
Appearance
Bright,bluish to bluish iridescent
NSSWhiteRust
12
NSSRedRust
36
Code
A2A
Description
White zinc, not bright surface
Thickness
5um
Appearance
Dull,no colour
NSSWhiteRust
6
NSSRedRust
24
Code
A2C
Description
Yellow zinc, not bright surface
Thickness
5um
Appearance
Dull,yellowish gleaming to yellow-brown,iridescent
NSSWhiteRust
48
NSSRedRust
72
Code
Mn-ph
Description
Oil on the surface
Thickness
2u
Appearance
Black
NSSWhiteRust
24
NSSRedRust
24
Code
Black
Description
Oily surface, black
Thickness
1u
Appearance
Black
NSSWhiteRust
2
NSSRedRust
2
Code
E2
Description
Thickness
5um
Appearance
NSSWhiteRust
NSSRedRust
Code
A2R
Description
Black zinc, not bright surface
Thickness
5um
Appearance
Dull,brown-black to black
NSSWhiteRust
12
NSSRedRust
Product Description
测试数据

Send Message to Supplier

To:
Test company(测试账号)
* Message:
If the supplier does not contact me in the information center within 24 hours, open inquiry allows the appropriate supplier to quote me