Wholesale China Black Annealed Pipe. Square/Rectangular/Round Pipe, Cold Rolled Circular Square Rectangular Hollow Section Carbon Steel Pipe.
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We insist on the principle of development of 'High quality, Efficiency, Sincerity and Down-to-earth working approach' to deliver you with great provider of processing for Wholesale China Black Annealed Pipe. Square/Rectangular/Round Pipe, Cold Rolled Circular Square Rectangular Hollow Section Carbon Steel Pipe., We recognize your enquiry and it can be our honor to work with each mate globally.
We insist on the principle of development of 'High quality, Efficiency, Sincerity and Down-to-earth working approach' to deliver you with great provider of processing for China Galvanized Steel, Square, We pursue the management tenet of "Quality is superior, Service is supreme, Reputation is first", and will sincerely create and share success with all clients. We welcome you to contact us for more information and look forward to working with you.
JIS G3466 Square and Rectangular Steel Pipe
Side(mm):20*20-350*350/20*30-400*200
Wall Thickness(mm): 1.2-12.5
Length: 6m,8m,10,12m or customized length
Surface treatment: black,pre galvanzied, hot dip galvanized,painting
Packing: in bundle or wrapped with water-proof pvc cloth.
Shipping.: bulk or load in containers.
Payment: T / T, L / C, western union
End:plain end ,threaded both end with one end coupling and one end plastic cap.
Applications: structure,water,gas and so on.
Chemical Composition
| Designation of garde | Chemical Composition | ||||
| C | Si | Mn | P | S | |
| STKR 400 | 0.25 max. | - | - | 0.040 max. | 0.040 max. |
| STKR 490 | 0.18 max. | 0.55 max. | 1.50 max. | 0.040 max. | 0.040 max. |
Mechanical Properties
|
Designation of garde |
|||
| Tensile strength N/mm²｛kgf/mm²｝ | Yield point or proof stress N/mm²｛kgf/mm²｝ | Elongation % (No.5 test piece) | |
| STKR 400 | 400｛41｝min. | 245｛25｝min. | 23 min. |
| STKR 490 | 490｛50｝min. | 325｛33｝min. | 23 min. |
