Seamless Type JIS G3466 Square and Rectangular Carbon Steel Tubes
JIS G3466 Carbon Steel Square and Rectangular Tubes
JIS G3466 Carbon Steel Square pipe is used for civil engineering architecture and other structure buidings. Manufacture method can be forming welded steel pipes(electric resistance welding. forging welding or automatic arc welding) or seamless pipes into shape of square section. JIS G3466 Carbon Steel Square pipe shall be manufactured with no heat treated method.
Chemical Composition:
| Designation of grade | 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 Property:
| Designation of grade | |||
|---|---|---|---|
| Tensile strength N/㎟{kgf/㎟} | Yield point or proof stress N/㎟{kgf/㎟} | 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. |
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FAQ:
Q: Are you trading company or manufacturer?
A: We are a professional steel pipes materials manufacturer.
Q: How long is your delivery time?
A: Generally it takes 7-14 days if the goods are in stock or 30-60 days if there is no stock, this mainly depends on quantity.
Q: Do you provide free sampleas?
A: Yes, we could offer the sample for free charge but need pay the cost of freight.
Q: What is your terms of payment?
A: Payment<=1000USD, 100% in advance. Payment>=1000USD, 30% T/T in advance ,balance before shippment.
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