Delong Metal is group company in the steel manufacture & Trading, founded in the 2000s, 800+ staff, 25, 000+ m2 non-dust workshop, 40+ great large mills and cooperation partners in China, 4000, 000+ MT production per year under ISO management, 40, 000+customers in domestic and overseas market, 10 billion USD of annual turnover, 15+ subsidiary companies all over China, ranking the Top 100 private enterprises in China, 1 hour reach Shanghai/Tianjin /Guangzhou Port, we keep high quality, competitive price, thousands tons of stock, most efficient delivery and reliable cooperation for global valued customers.
About price: Our business principle is to provide customers with the best competitive price on the premise of ensuring the quality of products.
If you need to know the preparation price and chemical composition of the product, please send us an inquiry.
Our email address: sale@sddlmetal.com
Whatsapp/ Wechat/ Skype: +86-13301536988
The following are the specifications of different forms of weld steel materials.
| ERW Steel Pipe | |
| Diameter | 1-10mm or Customized |
| Thickness | 20-300mm or Customized |
| Length | Customized |
| Material grade |
Q195 = S195 / A53 Grade A Q235 = S235 / A53 Grade B / A500 Grade A / STK400 / SS400 / ST42.2 Q355 = S355JR / A500 Grade B Grade C |
| Standard | JIS, AiSi, ASTM, GB, DIN, EN |
| Surface | Black, Paint, Pre-Galvanized, Hot Dipped Galvanized, Powder Coated or as Customers' Requirement |
| LSAW Steel Pipe | |
| Out Diameter | 219mm - 1820mm (8''-72") |
| Wall Thickness | 5.0 -50mm |
| Length | UP to 12m |
| Material grade |
API 5L: GR B.X42.X46.X56.X60.X65.X70.X80 ASTM A53: GR A. GR B. GR C EN: S275, S275JR, S355JRH, S355J2H GB: Q195.Q215.Q235. Q345. L175.L210. L245. L320. L360- L555 |
| Standard | JIS A5525, DIN 10208, ASTM A252, GB9711.1-1997 |
| Surface | Painting black or varnished or 3PE coating or galvanized |
| SSAW Steel Pipe | |
| Diameter | 219-3520mm or Customized |
| Thickness | 5-30mm or Customized |
| Length | 3m-12m or Customized |
| Material grade | Q195, Q215, Q235, Q345(B, C, D, E) |
| Standard | IS09001-2008, GB/T 9711-1997, SY/T 5037-2000, API 5L |
| Surface | Painted, PE coating, Galvanized, Epoxy Coated |
Each kind of WELD steel has different performance, and the specific application is also different. We will recommend the appropriate model according to the actual application of customers. If you need technical consultation, please send us information or inquiry directly.
Only some application cases are shown below：
