EN10216-5 EN10216-2 Seamless Stainless Steel Heat Exchanger Tubes - 655 MPa Tensile Strength, 16-23% Chromium Content
ZHEHENG STEEL is certified by ABS, DNV, GL, BV, PED 97/23/EC, AD2000-WO, GOST9941-81, CCS, TS, CNNC, ISO9001-2008, and ISO 14001-2004. We maintain excellent quality with competitive pricing and have established a strong reputation in domestic and international markets.
All finished pipes are manufactured to be reasonably straight with professional workmanship. Imperfection removal by grinding is permitted, provided wall thicknesses are not decreased below specifications outlined in Section 9 of Specification A999/A999M.
| Element | 201 | 202 | 304 | 316 | S31803 | S32750 |
|---|---|---|---|---|---|---|
| C | ≤0.15 | ≤0.15 | ≤0.08 | ≤0.08 | ≤0.030 | ≤0.030 |
| Si | ≤1.00 | ≤1.00 | ≤1.00 | ≤1.00 | ≤1.00 | ≤0.80 |
| Mn | 5.5-7.5 | 7.5-10.0 | ≤2.00 | ≤2.00 | ≤2.00 | ≤1.20 |
| P | ≤0.060 | ≤0.060 | ≤0.045 | ≤0.045 | ≤0.030 | ≤0.035 |
| S | ≤0.030 | ≤0.030 | ≤0.030 | ≤0.030 | ≤0.020 | ≤0.020 |
| Cr | 16-18 | 17-19 | 18-20 | 16-18 | 21-23 | 21-23 |
| Ni | 3.5-5.5 | 4.0-6.0 | 8-10.5 | 10-14 | 4.5-6.5 | 6.0-8.0 |
| Mo | 2.0-3.0 | 2.5-3.5 | 3.0-5.0 | |||
| N | ≤0.25 | ≤0.25 | 0.08-0.2 | 0.24-0.32 | ||
| Cu | ≤0.50 |
| Property | 201 | 202 | 304 | 316 | S31803 | S32750 |
|---|---|---|---|---|---|---|
| Tensile Strength (MPa) | ≥655 | ≥620 | ≥515 | ≥515 | ≥620 | ≥800 |
| Yield Strength (MPa) | ≥260 | ≥310 | ≥205 | ≥205 | ≥450 | ≥550 |
| Elongation (%) | ≥35 | ≥35 | ≥35 | ≥35 | ≥25 | ≥15 |
| Hardness (HV) | ≤230 | ≤230 | ≤200 | ≤200 | ≤303 | ≤323 |
TP304, TP304L, TP304H, TP304N, TP310S, TP316, TP316L, TP316Ti, TP316H, TP317, TP317L, TP321, TP321H, TP347, TP347H, 904L
S32101, S32205, S31803, S32304, S32750, S32760
TP405, TP409, TP410, TP430, TP439
- Incoming Raw Material Inspection
- Raw Material Segregation to prevent steel grade mix-up
- Heating and Hammering End for Cold Drawing
- Cold Drawing and Cold Rolling with on-line inspection
- Heat Treatment (+A, +SRA, +LC, +N, Q+T)
- Straightening, Cutting to specified length, and Finished Measuring Inspection
- Mechanical Testing in our own laboratories including Tensile Strength, Yield Strength, Elongation, Hardness, Impact, and Microstructure analysis
- Packing and Stocking
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