Wenzhou Zheheng Steel Industry Co.,Ltd
| Payment Terms | L/C, T/T, D/A, D/P |
| Supply Ability | 50TONS/30DAYS |
| Delivery Time | 30 DAYS |
| Packaging Details | In bundles with waterproof material,or wooden crate packing |
| Material | stainless steel heat exchanger tube |
| Standard | ASTM A269 ,a312 |
| Type | seamless |
| Technique | Cold roll |
| inspection | 100% |
| Length | 0-30 meters |
| Brand Name | zheheng |
| Model Number | 25mm |
| Certification | ISO9001 PED |
| Place of Origin | CHINA |
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Product Specification
| Payment Terms | L/C, T/T, D/A, D/P | Supply Ability | 50TONS/30DAYS |
| Delivery Time | 30 DAYS | Packaging Details | In bundles with waterproof material,or wooden crate packing |
| Material | stainless steel heat exchanger tube | Standard | ASTM A269 ,a312 |
| Type | seamless | Technique | Cold roll |
| inspection | 100% | Length | 0-30 meters |
| Brand Name | zheheng | Model Number | 25mm |
| Certification | ISO9001 PED | Place of Origin | CHINA |
| High Light | stainless steel boiler tubes ，bending stainless steel tubing | ||
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 | ||
product show:
Company Details
Business Type:
Manufacturer,Distributor/Wholesaler,Agent,Importer,Exporter,Trading Company
Year Established:
1995
Total Annual:
6,000,000-8,000,000
Employee Number:
100~150
Ecer Certification：
Verified Supplier
Zheheng steel is one incorporate of manufacturer, Exporter ,consultant ,stockist company specialized in the area of stainless steel tubing , pipe fittings ,Flanges and other stainless steel grade accessories . It is one-stop-shop company ,our team have more than 20 years experience in sta... Zheheng steel is one incorporate of manufacturer, Exporter ,consultant ,stockist company specialized in the area of stainless steel tubing , pipe fittings ,Flanges and other stainless steel grade accessories . It is one-stop-shop company ,our team have more than 20 years experience in sta...
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