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M5 M6 Stainless Steel U Type Shape Metal Bolt with Nut Washer Assortment SUS304 SUS316 A2-70 A4
Usage
Fastening
Size
Various sizes available
Style
Steel U shape bolt with washer nut washer
Head Style
U shape bolt/U type bolt
Strength
High
Finish
Polished
Manufacturer
JIA SHAN Hardware Company
Length
Customizable
Package
Small Packing+Carton Packing+Pallet
Standard
DIN
Package Quantity
100 pieces
Shape
U Bolt
Measurement System
INCH, Metric
Port
Shenzhen
Quality
Inspection before shipment
Color
Customizable
Material
Steel: 304/316/301/310/201
Product Overview
U-shape bolts are primarily used in cargo vehicles to stabilize chassis and frame components, such as connecting steel plate springs. These bolts find extensive applications in construction, mechanical parts connection, vehicles, ships, bridges, tunnels, and railways.
Available Shapes
Semi-circular
Square right angle
Triangle
Oblique triangle
Material Specifications
Our U-bolts are manufactured with various material properties including density, bending strength, impact toughness, compression strength, modulus of elasticity, tensile strength, and temperature resistance. Colors can be customized based on usage environment.
Common materials include carbon steel (Q235A, Q345B), alloy steel, and stainless steel (201, 304, 321, 304L, 316, 316L). The national standard for U-bolts is JB/ZQ4321-2006.
Material Composition
No.
C%
Cr%
Ni%
Mo%
304
0.07
17.5-19.5
8.0-10.5
/
316
0.08
16.0-18.0
10.0-14.0
2.00-3.00
301
0.15
16.0-18.1
6-8
/
310
0.08
24-26
19-22
/
304L
0.03
18-20
8-12
/
316L
0.03
16-18
10-14
2-3
321
0.08
17-19
9-12
/
Thermal Tightening Applications
Thermal tightening is required for pipeline bolts where internal medium temperature exceeds 200℃. This process ensures proper sealing as temperature changes cause bolt expansion.
Hardness Measurement
Steel hardness is measured using Brinell (HB) or Rockwell methods. Brinell hardness measures indentation area from a steel ball impact, while Rockwell measures penetration depth.
Material Enhancement
Steel properties can be enhanced through alloy mixing:
Carbon increases hardness and rigidity but reduces toughness
Chromium improves hardness with less impact on toughness
Titanium enhances both hardness and toughness
Heat treatment processes like quenching (rapid cooling) increases hardness while tempering (slow cooling) improves strength and toughness.
Product Images
Packaging
Company Details
Bronze Gleitlager
,
Bronze Sleeve Bushings
and
Graphite Plugged Bushings
from Quality China Factory
Business Type:
Manufacturer,Exporter,Seller
Year Established:
2007
Total Annual:
15000000-20000000
Employee Number:
100~200
Ecer Certification:
Verified Supplier
Hunan Jiashan Hardware Tech as a branch company of J AND R METALWORK,established in 2007 and located in Changsha, Hunan, China.After almost 17 years management development and technical improvement, Jiashan is willing to be a leading supplier in hardware industry. Meanwhile, we are one of member of ... Hunan Jiashan Hardware Tech as a branch company of J AND R METALWORK,established in 2007 and located in Changsha, Hunan, China.After almost 17 years management development and technical improvement, Jiashan is willing to be a leading supplier in hardware industry. Meanwhile, we are one of member of ...