Ads by Google
steel round pipe
We have been doing this for about 20years old. And we could do the different tpyes as the customers requiryment.
If you have any problem, please do not hesitated to contact me.It's our great honor to serve you.
Surface | 180G, 320G, 400G Satin / Hairline 400G, 500G, 600G or 800G Mirror finish | |||||
Application | fiber, papermaking,water supply and sewerage works | |||||
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 | ||