Grade 10.9 Black Surface 45# steel Hexagon Head Bolt For Railroad
Grade 8.8 Hexagon Head Bolt Black Surface Treatment For Railroad:
Railway fasteners constitute wide range of high tensile railway
track fasteners that firmly hold the track to the sleepers. We
offer high quality Rail Fasteners which include Track Bolts.
Besides the standard range for track bolts, we also supply these
bolts as per customer specification. We have been supplying track
bolts in bulk quantities in highly competitive market.
We are offering our valuable customers a huge gamut of railway
track fasteners that are equipped with advanced and upgraded
technologies and assembled with quality components. These fasteners
are applicable in railway tracks. All the products offered by us
are highly demanded by the customers for our timely and reliable
services. Range of these railway track fasteners can be availed
with screw spikes, switch bolts, fang bolts and nuts.
Specifications for reference:
Material | carbon steel |
| Grade | 4.6 | 5.6 | 8.8 | 10.9 |
| Material | Q235 | 35# | 45# | 40Cr |
| Tensile strength | ≥400Mpa | ≥500Mpa | ≥800Mpa | ≥1000Mpa |
| Yield strength | ≥240Mpa | ≥300Mpa | ≥640Mpa | ≥900Mpa |
| Elongation | ≥22% | ≥20% | ≥12% | ≥9% |
| Cold bending | 90 degree without crack |
Surface treatment:
We have many kinds of surface treatment including plain(oiled), plaint(any color), wax, bitumenizing, DHG, cold galvanizing, oxide black.
Product photos:
We produce the fish plate per AS1085.4-1999 , nominal thread
diameter is M20/M22/M24 , thread of the fish bolts are finished
square .a nominal 45 degree chamfer is to be provided to a depth
slightly exceeding the depth of the thread , nut shall be in
accordance with AS/NZS 1252 .
Chemical composition and mechanical properties are below :
C | Mn | P | S |
0.55(max) | 0.25(min) | 0.04(max) | 0.04(max) |
Tensile strength | Yield strength | Elongation |
800Mpa | 640Mpa | 12% |
As a leading manufacturer of rail fastening in China , ZHONGYUE
also can produce many other railway fasteners , such as track spike
. Sleeper screw . rail anchor .rail joint bar . tie plate .rail
clips ,elastic rail clip .SKL tension clamp .rail shoulder and so
on .
Sticking to the “quality first” policy, ZHONGYUE pays great
attention to quality control management. We have granted
ISO9001-2000 certificates and have got the production license of
China’s Railway Ministry on railway products. We have a full set of
inspection instruments which makes sure all the products produced
by us should be of high quality and up to customers’ requirements.
