Railway Square Flat Head Bolt
Other Name:
Rail Bolt, Square Bolt, Railway Bolt, Track Bolt,sleeper bolt,stud bolt,anchor bolt,clamp bolt,insert bolt
Standard:
DIN, JIS, ISO, ANSI, ASTM, BS, AS
Application:
Railway, Mining, Bridge, Boat, Construction and so on
Specifications:
Grade:4.8/ 8.8/ 10.9/ 12.9
Dimensions:M20, M22, M24 M25, M27, M28, M30, M32, M40, M50 and so on
| Brand | ZhongYue |
| Name | Railway bolt |
| Type | HS26/HS32 |
| Square head 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 |
Production Procedure
Raw material —— Wiredrawing —— Cutting the wire rod to length —— forming the head —— cutting Edge —— Heat Treatment —— Surface treatment —— Final inspection —— Packaging —— Shipment
Surface Treatment
1.plain (oiled)
2.color paint
3.oxide Black (most choice)
4.Zinc
5.HDG
6.bitumenizing
7.wax
8.phosphatiert
Inspection machine
1. Brinell Hardness Tester
2. Carbon and Sulfur Analyzer
3. Rockwell Hardness Machine
4. Automatic Impact Testing Machine
5. Metallographic Microscope
6. Automatic High-speed Analyzer
7. Fatigue Testing Machine
8. Metallographic Specimen Polishing Machine
9. Metallographic Specimen Pointing Machine
Our Company
Established in 2013, ZY Railway has become one of the largest manufacturers of Railway fasteners in China. Our products are manufactured according to international standards such as ASTM, DIN, BS, JIS, AS, NF, ISO,GOST and GB. They are inspected frequently by BV, SGS, and ABS. We have been granted ISO9001:2008 certificate and provide products to famous companies such as VAE, Hilti,Vossloh etc. We are a qualified supplier of Canada railway, Kazakhstan railway, American railway, Zambia railway, Thailand railway, Indonesia railway, Malaysia railway, Sweden railway, New Zealand railway, South Africa railway etc.
According to our quality first rule, ZY pays a lot attention to quality control process. We have been granted by ISO9001-2008 certificates and received the production license of China's Railway Ministry on railway products. We have a full set of inspection instruments to make sure all our railway bolt products are of high quality and up to clients' requirements.
Product Tags:
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Railway Square Flat Bolt DIN ASTM Standard M20 M22 M24 M30 Railway Bolt Images
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