Square Railway Bolt DIN ASTM Standard HDG M20 M22 M24 M30 Steel Bolts And Nuts BS47-1

Basic Information
Place of Origin: China
Brand Name: ZhongYue
Certification: ISO9001:2015
Model Number: M20 - M50
Minimum Order Quantity: 10000sets
Price: Negociable
Packaging Details: in woven bags on wooden pallet
Delivery Time: 30 days after order
Payment Terms: T/T, 30% in advance
Supply Ability: 1,000,000pcs per month
Material: Q235, 35#,45#,40Cr Grade: 4.6/4.8/5.6/8.8/10.9/12.9
Surface Treatment: Plain (oiled), Oxide Black, Zinc, HDG, Wax, Bitumen, Dacromet, Sherardizing Type: Square Head
Standard: UIC864-2
High Light:

railroad bolts

,

steel bolts and nuts

 

Railway Square 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 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

Square Railway Bolt DIN ASTM Standard HDG M20 M22 M24 M30 Steel Bolts And Nuts BS47-1 0

 

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

Square Railway Bolt DIN ASTM Standard HDG M20 M22 M24 M30 Steel Bolts And Nuts BS47-1 1

 

Our Company

    Established in 2013, ZhongYue 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 supply 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.

 

     Following to our quality first policy, ZhongYue pays a lot attention to quality control management. We have been granted 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 ensure all our railway bolt products are of high quality and up to customers' requirements.

Square Railway Bolt DIN ASTM Standard HDG M20 M22 M24 M30 Steel Bolts And Nuts BS47-1 2

 

Contact Details
Lucia