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Railroad Tie Plate

Railroad Tie Plate

Surface Treatment: 1. Plain (oiled) (main) 2. Color paint 3. Oxide Black 4. Galavazing 5. DHG Application system: 1. KPO Rail fastening 2. SKL3 Rail fastening 3. SKL12 Rail fastening 4. Other Parameter of Steel Tie Plate:

Description

Surface Treatment:

1. Plain (oiled) (main)

2. Color paint

3. Oxide Black

4. Galavazing

5. DHG


Application system:

1. KPO Rail fastening

2. SKL3  Rail fastening

3. SKL12 Rail fastening

4. Other


Parameter of Steel Tie Plate:

Type

GT500-7

GT450-10

GT400-15

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

railroad tie plate

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