Zhangjiagang Baosen Iron & Steel Co.,Ltd
Zhangjiagang Baosen Iron ＆Steel Co.,Ltd Insisting on the idea of “pursue excellence, advocate perfect”.
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GB 70# Hot Rolling Spring Steel Wire Rod With Light Round Surface
Description:
For producing hot coil helical springis It is also mainly used for a variety of concrete structure reinforcement, such as large bridges, crane beams, cement poles, prestressed concrete pressure pipe, multi-factory frameworks.
Category:
Can be pre-stressed wire diameter, the intensity level, the surface coating or cross-section morphological classification:
1. according to diameter and can be categorized as: 4mm, 4.8mm, 5.0mm, 5.1mm, 6.0mm, 6.35mm, 7.0mm, 7.8mm, 8.0mm, 9.0mm, 10.0mm, 11mm, 12mm and so on.
2. according to intensity level can be classified as: 1470MPa, 1570MPa, 1670MPa, 1770MPa and 1860MPa so.
3. in accordance with the surface coating can be classified as: no coating prestressed steel wire, prestressed epoxy coated steel wire and galvanized prestressed steel wire.
4. in accordance with the surface morphology can be classified as: light round prestressed steel wire, spiral rib (spiral ribbed or helix grooved) prestressed steel wire, the pressure wave (crimped) prestressed steel wire or nicks (indented) prestressed steel wire and so on.
5. in accordance with treatment process can be categorized as follows: cold-drawn prestressing steel wire (no slack performance requirements) and low relaxation prestressed steel wire.
Chemical composition:
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Spring steel |
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Steel Grade |
C |
Mn |
Si |
P≤ |
S≤ |
Cr≤ |
Ni≤ |
Cu≤ |
Al≤ |
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65# |
0.62-0.70 |
0.50-0.80 |
0.17-0.37 |
0.03 |
0.03 |
0.25 |
0.3 |
0.25 |
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70# |
0.67-0.75 |
0.50-0.80 |
0.17-0.37 |
0.03 |
0.03 |
0.25 |
0.3 |
0.25 |
|
|
SWRH72B |
0.69-0.76 |
0.60-0.90 |
0.15-0.35 |
0.03 |
0.025 |
0.2 |
0.2 |
0.2 |
|
|
SWRH82B |
0.79-0.86 |
0.60-0.90 |
0.15-0.35 |
0.03 |
0.025 |
0.2 |
0.2 |
0.2 |
|
|
SWRH72A |
0.69-0.76 |
0.30-0.60 |
0.15-0.35 |
0.03 |
0.025 |
0.2 |
0.2 |
0.2 |
|
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65Mn |
0.62-0.70 |
0.90-1.20 |
0.17-0.37 |
0.02 |
0.02 |
0.25 |
0.25 |
|
0.2 |
|
60Si2MnA |
0.56-0.64 |
0.60-0.90 |
1.60-2.00 |
0.02 |
0.02 |
0.25 |
0.25 |
|
0.2 |
MOQ:one coil
Payment item:TT or LC at sight
Delivery time:15-20 days
Quick Detail:
Steel grade:spring steel 70#
Diameter:5.5mm
Payment item:TT or LC at sight
Package:no package or woven bag package
MOQ:one coil
Delivery time:15-20 days
Applications:
Application:Suitable for welding of all-positon structure welding and high-current welding.With low porosity susceptibility,It offers solutions to weld in the industries of shipbuilding,Vehicle,bridge and pressure vessel.
Competitive Advantage:
We have a storage of over 10,000 Tons steel material throughout the year in our three 8000 sqm-warehouses.
We locate in the energetic eastern city Zhangjiagang.It is a shiping port,which enjoys convenient communication.
We export to more than 20 countries and areas,such as Taiwan,Vietnam,Korea,Malaysia,Poland and Africa area,etc.