TORICH INTERNATIONAL LIMITED
TORICH INTERNATIONAL LIMITED The Steel Tube Maker
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AISI ASTM Grade 302 Big Diameter ERW Welded Stainless Steel Pipe For Oil Industry
| Type | Welded stainless steel pipe |
| Outer Diameter | 80mm-220mm |
| Thickness | 4mm-10mm |
| Length | According to your requirements |
| Grade | 201/202/304/304L/316/316L/317/321/409/409L/410/420/430/440 |
| Place of Origin | Zhejiang, China |
| Brand | TORICH |
| Production Technology | Hot rolled |
| Delivery Time | 5-12 days |
| Trade Term | EXW, FOB, CIF, CIP, DAP |
| Payment | T/T, L/C, CAD, Credit Card |
| Port | Shanghai, NINGBO |
| MOQ | 1 tons |
Chemical Composition
| Element | Type302 |
|---|---|
| Carbon | 0.15 max. |
| Manganese | 2.00 max. |
| Sulfur | 0.030 max. |
| Phosphorus | 0.045 max. |
| Silicon | 0.75 max. |
| Chromium | 17.00 – 19.00 |
| Nickel | 8.00 – 10.00 |
| Nitrogen | 0.10 max. |
Mechanical Property
| Type | Yield Strength 0.2% offset (KSI) | Tensile Strength (KSI) | % Elongation (2" Gauge length) | Hardness Rockwell |
|---|---|---|---|---|
| 302 Ann (typical) | 30 min. | 75 min. | 40 min. | HRB 92 |
| 302 ¼ Hard | 75 min. | 125 min. | 12 min. | HRC 25 - 32(typical) |
| 302 ½ Hard | 110 min. | 150 min. | 10 min. | HRC 32 - 37(typical) |
| 302 ¾ Hard | 135 min. | 175 min. | 6 min. | HRC 37 - 41(typical) |
| 302 Full Hard | 145 min. | 185 min. | 4 min | HRC 41 - 47(typical) |
Tests:
Flattening test
Flaring test
Reverse Flattening test
Expansion test
Tensile test
Elongation test
Pressure test
According to above tests to check the quality of steel pipes and its performance.
Quality Check pionts:
Straight
Smooth ends from burrs
Free from scale
Injurious defect
A workmanlike finish
Tolerances specified for diameter and wall thickness.
How to get the sample?
1.You are requested to pay for sample charges and courier charges from China to your country; and the free sample is according the product like size, steel grade and quantity, please consult our sales for details
2.Sample charges will be refunded when order is placed.
What is your Payment Term?
1.T/T: 30% deposit in advance, the balance 70% paid before shipment
2.30% down payment, the balance 70% paid against L/C at sight
3.Upon negotiation
Who are your customers?
Stockists, Distributors,Wholesalors,Agents, Traders, End Users, etc
How long will you react on our requirement?
Your requirement would be treated within 24 hours on weekdays. Quotations would be sent upon technical details confirmed by customer!
Any more questions about your doubts, please feel free to send us your emails or call!