Name | Seamless Stainless Steel Tubes |
Items | Square tubes, round tubes, oval pipes, special shaped pipes, |
empaistic pipes, fittings |
Standard | ASTM A554, A249, A269 and A270 |
Material Grade | 201: Ni 0.8%~1% |
202: Ni 3.5%~4.5% |
304: Ni 8%, Cr 18% |
316: Ni 10%, Cr 18% |
316L: Ni10%~14% |
430: Cr16%~18% |
Outer Diameter | 9.53mm--159mm |
Thickness | 0.3mm - 3.0mm |
Length | 6m or as customers' request |
| a) Outer Diameter: +/- 0.2mm |
Tolerance | b) Thickness: +/- 0.02mm |
| c) Length: +/- 5mm |
Surface | Pickling and annealing |
AP tube |
BA tube |
MP tube |
EP tube |
end treatment | 1) Plain |
2) Beveled |
3) Thread with Coupling or cap |
4)Bending |
Application | Liquid or gas transportation,such as oil and gas,water or chemical liquids. |
Test | Squash test, extended test, water pressure test, crystal rot test, heat treatment, NDT |
Chemical Composition of Material | Material Composition | 201 | 202 | 304 | 316L | 430 |
C | ≤0.15 | ≤0.15 | ≤0.08 | ≤0.035 | ≤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 | 13-15 | 14-17 | 18-20 | 16-18 | 16-18 |
Ni | 0.7-1.1 | 3.5-4.5 | 8-10.5 | 10-14 |
|
Mo |
|
|
| 2.0-3.0 |
|
Material Item | 201 | 202 | 304 | 316 |
Mechanical Property | Tensile Strength | ≥535 | ≥520 | ≥520 | ≥520 |
Yield Strength | ≥245 | ≥205 | ≥205 | ≥205 |
Extension | ≥30% | ≥30% | ≥35% | ≥35% |
Hardness (HV) | <105 | <100 | <90 | <90 |
Payment | Payment by T/T, 30% as advance payment and 70% balance pay before shipping. |
Delivery time | A.7 days if this goods is stock goods. |
B. 15 days if this goods will be produced after order |
Validity | Valid time is 3 days for price usually. |