High Quality Black square pipe iron rectangular tube welded Galvanized Square Steel Pipes
Galvanized pipes are still commonly found in residences, including multi-family communities, all across the United States. However, they should be replaced as soon as possible due to concerns about health and problems that arise with usage. Even though pure zinc is the ideal for use in galvanizing pipes, impure zinc containing traces of lead was frequently used in the galvanizing process. That means some galvanized pipes leach lead over time. It ultimately enters the drinking water path for people who live downstream. In addition, rust-choked galvanized steel pipes are unable to deliver the needed amount of water to residents. Due to the ever-diminishing diameter of pipes, apparent water pressure will drop when attempting to take a shower, fill a tub, run a dishwasher or use a garden hose. |
No. | Item | Details |
1 | Produce Technique | Hot Rolled, Cold Rolled, Cold Drawn and Galvanized Steel |
2 | Steel Pipe Available | ERW, EFW |
3 | Hot Rolled ERW Pipe | Round Diameter: 21 - 430mm Square Diameter:20x20mm-500x500mm Rectangular Diameter:20x10mm-600x400mm |
4 | Cold Rolled ERW Pipe | Round Diameter: O.D 10 - 89mm x W.T. 0.5-2.5mm Square Tube: 10x10mm-120x120mm x W.T. 0.5-2.5mm Rectangular Tube:10x20mm-80*120mm x W.T. 0.5-2.5mm |
5 | Production Standard | GB/T3091, GB/T13793, GB/T9711, JIS3466 ASTM A53, ASTM A500, ASTM A106, BS1387, EN10025, EN10210, EN10219,etc. |
6 | Steel Pipe Material | Q195~Q345B, Gr.A~Gr.C, STKM 11A-13A |
7 | Surface Treatment | Black annealed, bright annealed or galvanized |
8 | Common Length | 6m/ 5.8m(20GP) / 11.8m(40GP) |
9 | Steel Pipe Origin | China(Mainland) |
10 | Annual Output | 2 million Ton |
11 | MOQ | Ordinary Size: 5Ton, Customized Size: 20Ton |
12 | Steel Pipe Application | Construction, machinery, furniture structure |
Chemical Composition
Specification | Grade | Chemical Composition(wt%) | ||||||
C | Mn | Ni | Cr | Mo | Ti | |||
ASTMJIS | 316L/022Cr17Ni12Mo2 | ≤0.03 | ≤2.0 | 10.0-14.0 | 16.0-18.0 | 2.0-3.0 | - | |
JIS | SUS316L | ≤0.03 | ≤2.0 | 12.0-15.0 | 16.0-18.0 | 2.0-3.0 | - | |
ASTMJIS | 316Ti/SUS 316Ti | ≤0.08 | ≤2.0 | 10.0-14.0 | 16.0-18.0 | 2.0-3.0 | 5*(C+N)-0.7 |
Properties
Spec | Grade | Mechanical Property | Physical Property | ||||
Y.S (N/MM2) |
T.S (N/MM2) |
EL (%) |
HRB |
Specific Heat (J/g℃) |
Modulus of Elasticity (KN/mm2) | ||
ASTM/GB | 316L/022Cr17Ni12Mo2 | ≥170 | ≥485 | ≥40 | ≤95 | 0.5 | 193 |
JIS | SUS316L | ≥175 | ≥480 | ≥40 | ≤90 | 193 | |
ASTM | 316Ti | ≥205 | ≥515 | ≥40 | ≤95 | 0.5 | 200 |
Applications:316L: Widely used in corrosion-susceptible environment and some mechanical components those are difficult to make heat treatment after forming in more corrosive environment.316Ti: Mainly used for industrial components. |