SS430 4 Inch Stainless Steel Pipe Astm A554 Steel Flexi Pipe
316 316L SS Round Pipe Tube Wholesale 75mm Stainless Steel Pipe Factories
Is 300 or 400 stainless steel better?
300 and 400 series have comparable tensile strength and yield strength. 300 Series grades are highly ductile. On the contrary, 400 series grade has higher carbon content, tend to have more hardness than 300 series. Grade 400 series grades are stronger.
Is 304 or 310 stainless steel better?
Grade 310 offers superior corrosion resistance to grade 304, as grade 310 contains higher chromium and nickel. Grade 310 has more hardness than grade 304.
| Name | stainless steel welded pipe | |||||
| Standard | 200 Series/300 Series/400series etc | |||||
| Outer Diameter | 10mm-500mm | |||||
| Thickness | 0.5mm-20mm | |||||
| Length | 6m or as customers' request | |||||
|
Tolerance |
a) Outer Diameter: +/- 0.2mm | |||||
| b) Thickness: +/- 0.02mm | ||||||
| c) Length: +/- 5mm | ||||||
| Application | construction, chemical industry, petroleum,ect | |||||
| Test | Squash test, extended test, water pressure test, crystal rot test, heat treatment, NDT | |||||
|
Chemical Composition of Material |
Material
Composition |
201 | 202 | 304 | 316 | 430 |
| C | ≤0.15 | ≤0.15 | ≤0.08 | ≤0.08 | ≤0.12 | |
| Si | ≤1.00 | ≤1.00 | ≤1.00 | ≤1.00 | ≤1.00 | |
| Mn | 5.5-7.5 | 7.5-10 | ≤2.00 | ≤2.00 | ≤1.00 | |
| P | ≤0.06 | ≤0.06 | ≤0.045 | ≤0.045 | ≤0.040 | |
| S | ≤0.03 | ≤0.03 | ≤0.030 | ≤0.030 | ≤0.030 | |
| Cr | 16-18 | 17-19 | 18-20 | 16-18 | 16-18 | |
| N | 3.5-5.5 | 4-6 | 8-10.5 | 10-14 | ||
| Mo | 2.0-3.0 | |||||
|
Mechanical Property |
Material Item | 201 | 202 | 304 | 316 | |
| Tensile Strength | ≥535 | ≥520 | ≥520 | ≥520 | ||
| Yield Strength | ≥245 | ≥205 | ≥205 | ≥205 | ||
| Extension | ≥30% | ≥30% | ≥35% | ≥35% | ||
| Hardness (HV) | <253 | <253 | <200 | <200 | ||
Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.