Wenzhou Zheheng Steel Industry Co.,Ltd
To provide safe and reliable high quality stainless steel ,nickel alloy pipes and fittings
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Specification
| Ends | Plain end |
| Production process | The round steel→Peeling→Heating→Perforation→Acid picking→End preparation→Grinding→Lubricating→Cold-drawn→Degreasing→Annealing→Straightening→Acid picking→Finishing→Testing/inspection→seamless pipe→marking→packing→weighs→weighs→products storage→leaves the plant |
| Delivery time | within 45 -60 days. |
| Payment Terms | 40% prepayment Balance before lodaing. |
| Shipping Terms | FOB NINGBO, after the inspection of goods at supplier's warehouse |
| Package | Standard export seaworthy package,or as required. |
Architecture and Construction
Automotive and Transportation
Medical
Oil and Gas
Food and Drug
317 stainless pipe Chemical Composition
| Grade | C (Max) | Mn (Max) | P (Max) | S (Max) | Si (Max) | Cr | Ni | Mo | Nitrogen (Max) | Cu/ Others |
| 317 | 0.08 | 2 | 0.045 | 0.03 | 0.75 | 18.00 - 20.00 | 11.00 - 14.00 | 3.00 - 4.00 | 0.1 | 0 |
Mechanical composition
| Grade | Tensile | Yield | %Age | Hardness (Max) | |
| Strength Mpa, (Min) | Strength | Elongation | |||
| Mpa, (Min) | in 50mm | ||||
| gauge length min | BHN | Rb | |||
| 317 | 515 | 205 | 35 | 217 | 95 |
Uses
offshore oil rigs
chemical storage tanks
fuel injection systems
aerospace components
kitchen appliances, architectural cladding panels and automobile exhaust systems
Product Testing
Coating Thk Test
Geometry inspection
Ultrasonic Inspection
Nondestructive Testing
Hydrostatic Testing
Package Process
1.with plastic cap to protect both ends
2.weaving bag wrapped outside the pipe
3.then pack into wooden case.
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