rectangular black tubes

rectangular black tubes :   Standard: ASTM A500, ASTM A53, EN 10210 ,EN 10219 ,JIS G 3466 ,BS 1387, BS 6323 ,IS : 1161,IS : 3601,IS : 3074 IS : 4923, DIN 1626, DIN 2394.   Out Diameter:10 *20mm –600 * 400 mm Wall Thickness: 0.5mm – 20mm Length: 0.1 – 18 m as per customer’s request   Steel Grade: GB: Q195, Q215, Q235, Q345
ASTM: GR A, GR B, GR C, GR D , DC01, DC03, 1008, 1010
JIS: SS330, SS440, SS490, SPHD, SPHE
EN BS: S185, S235, S235JR, S235 G2H, S275, S275JR, S355JRH, S355J2H   End: Square cut, Burr removed   Surface: Lightly oiled, hot dip galvanized, Electro galvanized, Black   Heat Treatment:Bright Annealed, Black Annealed   Usage: Construction, machinery manufacturing, steel construction project, shipbuilding, solar power stents, steel structure engineering, electrical engineering, power plant, agricultural and chemical machinery, glass curtain wall, car chassis, airport, boiler construction, highway railing, housing construction etc.   Packing: Plastic plugs in both ends, Hexagonal bundles of max. 2,000kg with several steel strips, Two tags on each bundle, Wrapped in waterproof paper, PVC sleeve, and sackcloth with several steel strips Delivery: within 30 days Payment: TT / LC   Mill Test Certificate: EN 10204/3.1B      Tianjin Xinyue Steel located in Tianjin, China, is very close to XinGang port, as a large investment group, engaging in steel products manufacturing, exporting, steel products stockist.   We are specialized in producing high-tech ERW (Electric Resistance Welded) and SSAW (Spiral Submerged Arc welded) pipes. Our company has advanced φ610 mm high-frequency straight seam resistance welding machine, and φ3048mm spiral submerged arc welded machine. As well, besides ERW and SSAW factories, we have another three associated factories for LSAW and SMLS production throughout China.