DIN17458 Seamless 3 Inch Stainless Steel Tubes With X5 CrNi18 10
DIN17458 Seamless Circular Austenitic Stainless Steel Tubes subject to special requirements for construction of pressure vessel,chemical plant and pipework
Minimum Order Quantity: 5MT
Payment Terms: T/T or L/C
Delivery Time: FOB,CFR,CIF are workable
30-60days according detail PO quantity
TABLE 1 Amounts by which the chemical composition in the product analysis may deviate from the limit values specified for the cast analysis
| Element | Limit values specified for the cast analysis as in table 1 % by mass | Permissible deviations① % by mass |
| Carbon C | ≤0.030 ＞0.030 ≤0.08 | ﹢0.005 ﹢0.01 |
| Silicon(Si) | ≤1.0 | ﹢0.05 |
| Manganese(Mn) | ≤2.0 | ﹢0.04 |
| Phosphorus(P) | ≤0.045 | ﹢0.005 |
| Sulfur(S) | ≤0.030 | ﹢0.005 |
| Nitrogen(N) | ≤0.22 | ±0.01 |
| Chromium(Cr) | ≥16.5 ≤20.0 | ±0.20 |
| Molybdenum(Mo) | ≥2.0 ≤5.0 | ±0.10 |
| Nickel(Ni) | ≥8.5 ＜10.0 ≥10.0 ≤15.0 | ±0.10 ±0.15 |
| Niobium(Nb) | ≤1.00 | ±0.05 |
| Titanium(Ti) | ≤0.80 | ±0.05 |
①If several product analyses are carried out for a single cast and if these elements show contents for a single element outside the range specified for the cast analysis,this content shall either exceed the permissible maximum content or be below the permissible minium content,but not both at the same time for one cast.
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