Rail Fasteners Railroad Tie Plates Oxide Black Guide Plate Casting Technology S49 manufacturer from China Shanghai Suyu Railway Material Co.,Ltd.

Rail Fasteners Railroad Tie Plates Oxide Black Guide Plate Casting Technology

Place of Origin:

Zhejiang, China (Mainland)


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Product Detail

Model No.: S49

Rail Fasteners R

Rail Fasteners Railroad Tie Plates Oxide Black Guide Plate Casting Technology

Tie plate is a plate set between the base of a rail and a crosstie to distribute the rail load over a greater area of the tie and thus reduce wear and damage to it.

Material: carbon steel

1. QT500-7

2. QT450-10
3. QT400-15

4. low carbon steel or high carbon steel by forged

5. Low carbon steel S275JR, Q235,etc. by rolled

Production Process

1. Raw material

2. forging or casting (1100 degrees celsius)

3. Forming

4. Hardening

5. Tempering below 350 degrees celsius

6. Inspection

7. Packing

Surface Treatment

1. Plain (oiled) (main)

2. Color paint

3. Oxide Black

4. Galavazing

5. DHG

Application system

1. KPO Rail fatsening

2. SKL3 Rail fatsening

3. SKL12 Rail fatsening

4. Other


Name	QT500-7	QT450-10	QT400-15
Standard	GB 1348-88	GB 1348-88	GB 1348-89
Chemical composition(%)	C:3.60-3.80	C:3.40-3.90	C:3.50-3.60
	Mn:≤0.6	Mn:0.2-0.5	Mn:≤0.5
	Si:2.50-2.90	Si:2.70-3.00	Si:3.0-3.2
	P:≤0.08	P:≤0.07	P:≤0.07
	S:≤0.025	S:≤0.03	S:≤0.02
Tensile Strength	≥500 Mpa	≥450 Mpa	≥400 Mpa
Yield Strength	≥320 Mpa	≥310 Mpa	≥250 Mpa
Elongation(%)	≥7	≥10	≥15
Hardnrss	170~230HB	160~210HB	130~180HB
Metallographic organization	ferrite + pearlite	graphite + ferrite + pearlite	ferrite
Surface	plain (oiled)