Stainless Steel Square Pipe, Structural Steel Factory, Supplier, and Exporter

Overview
Model No.: SSP
Brand: sinosteel Stainless
Place of Origin: China manufacturer
Packing: Plastic or wooden c...
Specifications

Stainless Steel Square Pipe

Decoration & Mechanical Structure Tube

Advantages

1. Our company has been dedicated to producing stainless steel seamless pipe since 1995, owning complete producing technology and abundant managing experience.

2. The raw material such as the mother tube, round bar we use is from the Chinese biggest and well-known steel mill.

3. Our company owns a full set of inspection/testing equipment including Germany-Imported direct-reading spectrometer, ultrasonic fault detector, eddy current flaw detector, hydrostatic testing machine, X-Ray Scenograph, Nitrogen/Oxygen analyzer, universal testing machine, impact tester, automatic carbon/sulfur analyzer, endoscope, etc. We have ISO 9001 and PED certificate, and the Third Party Inspection Certificates such as TUV, BV, Lloyd’s, SGS, etc, also can be provided according to customers’ requirements,

4. Wooden case package which is strong and suitable for sea transportation is our main method to pack the pipes. And the economical packing method such as packed in bundles is also welcomed by some customers.

5. The tolerance control we use is D4/T4 (+/-0.1mm) on both inside and outside Diameter and Wall Thickness, which is much higher than the international standard ASTM, DIN.

6. The surface condition is one of our main advantages: in order to meet different requirements for surface condition, we have annealing and pickling surface, bright annealing surface, OD polished surface, OD & ID polished surface, etc.

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Mining Steel Strand, Steel Factory, Supplier and Exporter

Overview
Model No.: Mining Steel Stra...
Brand: Zhongxiang
Place of Origin: China manufacturer
Packing: Standard
Specifications

Mining Steel Strand, Steel Factory

DESCRIPTION
Name: Steel strand for prestressed concrete( steel strand for mining cable bolt)

Introduction: Prestressed steel strands are stranded steel cables consisting of 2,3,7 or 19 high-strength steel wires and are stress-relieved(stabilized) for prestressed concrete or similar applications.

The main characteristics of prestressed steel strands are high strength and good slack performance, and they are straighter when unfolded. The common tensile strength rating is 1860Mpa, and strength levels such as 1720, 1770, 1960, 2000, 2100Mpa. The yield strength of this steel is also very high.

Classification
According to the number of steel wires in a steel strand: 2 wire steel stranded, 3 wire steel stranded, 7 wire steel stranded and 19 wire steel stranded.

According to the surface shape, it can be divided into smooth steel strand, scored steel strand, compact steel strand(compact), epoxy resin stranded wire, etc.

It can also be categorized by diameter, or intensity level, or by the standard.

Material
The high-carbon steel wire rod is subjected to surface treatment, cold-drawn into steel wire, and then a certain number of steel wires are twisted into a strand according to a steel strand structure, and then subjected to a stress-relieving stabilization process. To extend durability, there may be metal or nonmetal coatings on the wire, such as galvanizing, epoxy coating, etc. In order to increase the grip strength of the concrete, the surface may be scored, etc. The die-drawn prestressed steel strands undergo a mold compression process after stranding, the structure is more compact, and the surface layer is more suitable for anchor gripping. Unbonded steel strands are made of ordinary prestressed steel strands, coated with anti-corrosive grease or paraffin and then coated with high-density polyethylene (HDPE).

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