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JIS G3474 High Strength Welded Steel Tube For Steel Tower
JIS G3474 welded steel tube is mainly used for transmission steel tower, which has high strength and excellent mechanical performance, meeting the requirement of high strength in construction structure. We can provide high quality JIS G3474 welded steel tubes to clients. Welcome to your purchase.
Description
Introduction
JIS G3474 welded steel tubes are manufactured from fine-grained killed steel by electric resistance welding process. JIS G3474 welded steel tubes have high strength, excellent tensile strength, and can withstand large loads, and not easy to deformation under high stress, meeting the requirements of high strength in construction structure. In addition, JIS G3474 welded steel tubes also have good welded performance, which makes it easy to welding and process.
Specification
|
Product name |
High Strength Welded Steel Tube |
|
Place of origin |
China |
|
Standard |
JIS G3474 |
|
Material grade |
STKT590 |
|
Technique |
Electric resistance welding (ERW) |
|
Outer diameter |
141.3mm-1220mm |
|
Wall thickness |
3mm-25mm |
|
Length |
3m-12m or customized length |
|
Surface treatment |
Black painting, varnish painting, anti corrosion coating or as per clients' requirements |
|
Advantage |
Fast delivery |
Mechanical properties
|
Grade |
Tensile strength(Mpa) |
Yield strength,min(Mpa) |
Elongation,min(%) (a) |
|
|
longitudinal |
transverse |
|||
|
STKT590 |
590-740 |
440 |
20 |
16 |
| Note: Not applicable to tubes with 40mm or under in outer diameter. A specific elongation value may be agreed between the purchaser and the manufacturer. | ||||
Tolerance on outer diameter
|
Outer diameter |
Tolerance |
|
<50 mm |
±0.5mm |
|
50mm≤ OD ≤350mm |
±1% |
| Note: For tubes over 350mm in outer diameter, the tolerance on outer diameter at the tube end shall be±0.5% | |
Tolerance on wall thickness
|
Wall thickness |
Tolerance |
|
<4mm |
+0.6mm -0.5m |
|
4mm≤WT<12mm |
+15% -12.5% |
|
≥12mm |
+15% -1.5mm |
Product show
Applications
JIS G3474 welded steel tube is mainly used for manufacturing of transmission steel tower. These steel tubes have high strength and excellent mechanical properties, and not easy to deformation under high stress. It is suitable for the structure applications where high strength and high stress resistance are required.
Our advantages
1. Large inventory: We have large inventory to meet your needs, the steel tubes are available in various sizes. Here you can find the product you want.
2. Fast delivery: Fast delivery is our best advantage, after receiving clients' detailed order, the goods will be delivered in a short time, cherishing your every minute.
3. Customized diameter steel tube: We can provide the steel tubes of the diameter you want. Non-standard diameter and special wall thickness steel tubes also can be supplied by us.
4. We have our own factory, which can avoid unnecessary costs.
5. Service in place: We will do our best to meet clients' requirements. Customer first is our service tenet.
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