Suzhou Zhongyue Railway Material Co.,Ltd.
Suzhou Zhongyue Railway Material Co.,Ltd. Where there is a railway, there we are!
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Hot Galvanizing Double Ended Screw Bolt Railway Bolt Steel With bitumen Dacromet
Double head Railroad Bolt Steel 45 Grade 8.8 Hot Galvanizing Surface Treatment
| Brand | ZHONGYUE | |||
| Name | Double Head Bolt | |||
| Type | HS26/HS32 | |||
| Russian clamp bolt & inserted bolt | ||||
| Or the type by customers’ drawings | ||||
| Grade | 4.6 | 5.6 | 8.8 | 10.9 |
| Material | Q235 | 35# | 45# | 40Cr |
| Mechanical properties | Tensile strength: ≥400Mpa | Tensile strength:≥500Mpa | Tensile strength:≥800Mpa | Tensile strength:≥1000Mpa |
| Yield strength: ≥240Mpa | Yield strength: ≥300Mpa | Yield strength: ≥640Mpa | Yield strength: ≥900Mpa | |
| Elongation:≥22% | Elongation:≥20% | Elongation:≥12% | Elongation:≥9% | |
| Cold bending: 90 degree without crack | Cold bending: 90 degree without crack | Cold bending: 90 degree without crack | Cold bending: 90 degree without crack | |
| Surface | plain (oiled), Oxide black, Zinc, HDG, wax, bitumen, Dacromet, Sherardizing | |||
| Standard refers | UIC864-2 | |||
Main Type:
| Bolts | |||||||
| Type | fish bolt | turnout bolt | anchor bolt | ||||
| Material | 20MnTiB | A5,A3,etc. | Q235A | ||||
| Specification | M24 | M5-M48 | M27 | ||||
| Application | railway fastening systems,turnout,etc. | ||||||
| Finish code | nutural surface,or other treatment according to customer's requirement. | ||||||
Product Show:
We produce the fish plate bolt as per AS1085.4-1999. The nominal thread diameter is M20/M22/M24 and the 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.
Material: Q235 and 45#
Grade: 8.8
Surface: Plain, black painting
MOQ: 5000PCS
Packing: Plastic bags and wooden pallets or according to clients' requirement
Chemical composition and mechanical properties are shown 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% |
3. We produce the fish bolts according the BS standard. These fish bolts can be manufactured to mild steel or high tensile steel Grade 8.8 as well as the latest Transnet specifications. Metric and imperial sizes are available and are used for fish plate of BS50, BS60R, BS70A, BS75A, BS75R, BS80A, BS80R, BS90A, BS90R, BS95A, BS95R, and BS95N.
Adhering to our quality first policy, ZHONGYUE pays great attention to quality control management on fish plate. We have been granted ISO9001-2008 certificates and have received the production license of China's Railway Ministry on railway products. We have a full set of inspection instruments to ensure all our fish bolt products are of high quality and up to customers' requirements.
As a leading manufacturer of rail fastening based in China, ZHONGYUE also produces many other railway fasteners, such as track spike, sleeper screw, rail anchor, rail joint bar, tie plate, rail clip, elastic rail clip, SKL tension clamp, rail shoulder, and so on.