Steel T Bolt (35 crmo and 42 crmo)
SUYU is engaged in manufacturing and supplying a wide range of rail sleeper screw. Designed with high precision and processed under advanced technologies, these rail sleeper screws are manufactured using high grade raw materials, satisfying all the quality standards. With reliability, robustness and effective performance, these products can be used in railway engineering.
Rail sleeper screw spikes are used to fasten sole plates and ribbed base plates to wooden sleepers. In rail construction with the concrete sleepers, the rail sleeper screw is used in combination with a plastic dowel pressed in the concrete sleeper, indirect or direct fastenings of rails on concrete and wooden sleepers. Characteristically, the sleeper screw thread may only be produced in a hotforming operation. The different shapes of the head correspond to the pass form of the respective spanner used for fastening and loosening of the rail sleeper screws.
The screw spike costs more to manufacture than the dog spike or dog nail, but has the advantage of greater fixing power; Approximately twice that of a dog spike, and can be used in combination with spring washers.
SUYU can supply a range of rail sleeper screw spikes manufactured to international standards according to BS, ASTM and DIN, among others. SUYU has extensive experience in the rail industry and a high level of expertise in this specialized field. SUYU can manufacture any quantity, big or small, and offers a range of finishes including hot dipped galvanized, black, sherardized or self color for the budget conscious.
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Brand |
SUYU |
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Name |
Material 45# Grade 8.8 Railroad Tunnel Bolt |
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Type |
HS26/HS32 |
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|
Russian clamp bolt & inserted bolt |
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Or the type by customers' drawings |
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Grade |
4.6 |
5.6 |
8.8 |
10.9 |
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Material |
Q235 |
35# |
45# |
40Cr |
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Mechanical properties |
Tensile strength: ≥400Mpa |
Tensile strength:≥500Mpa |
Tensile strength:≥800Mpa |
Tensile strength:≥1000Mpa |
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Yield strength:≥240Mpa |
Yield strength:≥300Mpa |
Yield strength:≥640Mpa |
Yield strength:≥900Mpa |
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Elongation:≥22% |
Elongation:≥20% |
Elongation:≥12% |
Elongation:≥9% |
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Cold bending: 90 degree without crack |
Cold bending: 90 degree without crack |
Cold bending: 90 degree without crack |
Cold bending: 90 degree without crack |
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Surface |
plain (oiled), Oxide black, Zinc, HDG, wax, bitumen, Dacromet, Sherardizing |
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Standard refers |
UIC864-2 |
Founded in 2003, SUYU is now a leading and reputed manufacturer of qualified railway fasteners in China. With its headquarter in Shanghai Pudong, and factory in Suzhou Province, Kunshan City.
We are certified by ISO 9001: 2008. We have a complete set of inspection equipments to strictly control the quality of each production procedure and make sure all the products reach the international standards and customers' requirements.
SUYU team is composed of high professional experts from former state railway companies. We have 5 senior engineers, 20 professional technicians and a group of highly experienced operation workers. We have our own R&D team, after-sales service team and quality-assurance team with the most advance technology and management concepts.
With advanced technology, powerful processing capacity and excellent service, our products have been exported worldwide. After many times of inspections by BV, SGS, ABS etc, our products have been well recognized by our customers. We are qualified supplier of Kazakhstan Railway, Zambia Railway, Thailand Railway, Indonesia Railway, Malaysia Railway, Sweden Railway, New Zealand Railway, American Railway, Canada Railway etc, supplying all kinds of railway material to them for many years without any quality complaint.
We can produce according to International standards like ASTM, DIN, BS, JIS, AS, NF, ISO, GB. Besides, we have our own high standard R&D department, willing to develop all kinds of non-standard products according to customers' drawings or samples.
SUYU people will keep on working hard and make all their efforts to make SUYU a global-famous factory in the international railway market. Working under the spirit of "persisting and Pursuing Excellence", with the idea of "supplying first-class railway materials to the world", SUYU would always like to be your strongest and most reliable partner. We sincerely believe we can build a bright future with your cooperation!
