Wenzhou Zheheng Steel Industry Co.,Ltd
To provide safe and reliable high quality stainless steel ,nickel alloy pipes and fittings
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stainless steel tube heat exchanger for marine food chemical power plant fin tube
1. Materials: TP304/304L,TP316/316L/TP316Ti ; TP321/321H; TP310S; TP317/317L;TP347/347H ;
Duplex Steel: S31803/S2205; Super-duplex steel: S32750/S32760 ; Nickel alloys; chromium alloys; Monel etc.
2. Standards: GB/T13296/14975/14976,ASTM A213/A269/A312/A511/A789 ,DIN2462/17458/17456 etc
3: Size: OD.: Φ4.78mm-38mm, WT.:0.5mm-3.0mm
4. Tolerances: ±0.05mm Or according to customer’s request
5. Length: Stainless steel U-bent straight tubes: 0-30 meters
Stainless steel coiled tubing: 0-1000 meters
6: Applications: For military products, semiconductor, pharmaceutical biotechnology, precision instruments, hydraulic parts, chemicalsindustry, boilers and heat exchangers, aerospace industry, automotive industry, electronics, petroleum exploration, precision machinery, rail transportation, shipbuilding plants, air-conditioning industry, solar industry, water heater industry etc.
7. Packaging: In Strong Transport-Worthy Pre-fumigated wooden boxes of corresponding dimensions for
each tube Length, Radius, Diameter, According To PO requirements as well as wrapped In polyethylene
films With soft plastic caps on both end of Tube.
product chemical composition:
| ASTM A213 / A213 M | ||
| Elements | 304L(wt%) | 316L (wt%) |
| (C) Carbon, max | 0.035 | 0.035 |
| (Mn) Manganese, max | 2 | 2 |
| (P) Phosphorus, max | 0.045 | 0.045 |
| (S) Sulfur, max | 0.03 | 0.03 |
| (Si) Silicon, max | 1 | 1 |
| (Ni) Nickel | 8.0 - 12.0 | 10.0 - 14.0 |
| (Cr) Chromium | 18.0 - 20.0 | 16.0 - 18.0 |
| (Mo) Molybdenum | N/A | 2.0 - 3.0 |
| (Fe) Iron | Bal. | Bal. |
| (Cu) Copper | N/A | N/A |
| (N) Nitrogen | N/A | N/A |
| 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 | ||
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