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Product Name | Stainless steel square pipe tube | ||||||
Standard | ASTM A213,ASTM A312,ASTM A789,ASTM A790 | ||||||
①200 series 201 202 202Cu 204Cu etc ②300series: 301,302,303,304, 304L, 309, 309s, 310, 310S, 316, 316L, 316Ti, 317L, 321,347,etc ③400 series: 409,409L,410,420,430,431,439,440,441,444,etc ④Others:2205,2507,2906,330,660,630,631,17-4ph,17-7ph, S318039 904L,etc | |||||||
Wall Thickness | 0.5mm-30mm | ||||||
Out Diameter | 4mm*4mm-800mm*800mm | ||||||
Length | Length:Single random length/Double random length 5m- 14m,5.8m,6m,10m-12m,12m or as customer's actual reques | ||||||
Grade | Grade A, Grade B, Grade C | ||||||
Surface | BA, 2B, 2D, 4K, 6K, 8K, NO.4, HL, SB, Embossed | ||||||
Technique | Seamless/welded,ERW Steel Pipe | ||||||
Section Shape | Square | ||||||
Packing | Bundle, or with all kinds of colors PVC or as your requirements | ||||||
Ends | Plain end/Beveled,protected by plastic caps on both ends, cut quare,grooved,threaded and coupling,etc | ||||||
MOQ | 1 Tons, Samples available | ||||||
Product Application | Widely used in petroleum,foodstuff,chemical industry,construction, electric power,nuclear,energy,machinery,biotechnology,paper making,shipbuilding,boiler fields. Pipes also can be made according to the customer's required. |
Surface finish | Characteristics & Application |
NO.1 | Hot-rolled surface, annealed and pickled, can be used as cold-rolling material, industrial tanks and chemical devices. |
NO.2D | Cold-rolled, annealed and pick led with out skin passing the dull products can be used as auto mo bile parts, building materials and piping. |
NO.2B | The surface brightness and flatness of NO.2B is better than NO.2D. Then through a special surface treatment to improve its chemical properties, N0.2B. could nearly satisfy comprehensive uses. |
NO.3 | Polished with abrasive belt of grit #100#120, have better brightness with discontinuous coarse stria, used as inner and external ornaments for building, electrical appliances and kitchen utensils etc. |
NO.4 | Polished with abrasive belt of grit #150#180, have better brightness with discontinuous coarse stria, but thinner than NO.3. are used as bathtub building inner and external ornaments electrical appliances, kitchen utensils and food processing equipment etc. |
HL | Polished with abrasive belt of grit #150-320 on the No.4. finish and has continuous streaks, mainly used as building ornaments, elevators, door of building, frontal plate etc. |
BA | Cold-rolled, bright annealed and skin passed, the product has excellent brightness and good reflexivity like mirror, used for electrical appliances, kitchen apparatus, ornament materials etc. |