Dellok Yonghui Radiating Pipe Manufacturing Co.,Ltd.
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High Precision Petrochemical industry 219mm Studded Pipe
SA335 P11 / P22 / P91 from BaoSteel , NPS 4''(114.3mm) studded pin heating tubes
ASTM A335/A335M: Seamless Ferritic Alloy-Steel Pipe for High-Temperature Service
Introduction
Studs are fully automatically welded onto the tube by resistance welding. It has two types: Cylindrical or elliptical. It has many uses in Furnace, Chemical, Petrochemical industry, Power station etc. Besides, we provide the raw materials mill certificates, inspection and test samples results and warranty
Delivery condition:
Tube ends are square cut, free burrs, internally dried and air blown clean, externally coated with varnish at both ends of extruded bimetallic fin tube. And all the tubes are protected on surface with Oil dip, black coating or varnish.
Acceptance criteria
Approved drawings and the delivery conditions (TDC) of clients.
| Product Details | |
| Material: | Carbon, stainless, and alloy steels. |
| Tube details: | Tube Thickness:4mm~15mm |
| Tube Length:16 meters max | |
| Tube OD: 219 mm max | |
| Studs Height:10mm Min. | |
| Studs OD:OD6mm~OD16mm | |
| Production Capacity: | Daily capacity up to 80,000 studs; |
| Packing: | Steel frame with plywoods or seaworthy wooden box. |
Specifications:
| Items | General Materials | Popular ASTM /ASME Materials |
| Core Tube Material | Carbon Steel Alloy Steel Heat Resistant Steel, Stainless Steel | 1. Carbon Steel: A106 Gr. B 2. Stainless Steel: TP304/304L,TP316/TP316L, TP347 3. Alloy Steel: P5,T5,P9,T9,T11,T22 |
| Studs Material | Carbon Steel Stainless Steel | 1. Carbon Steel 2. Stainless Steel: TP409/410,TP304/304L,TP316/TP316L, TP321/TP321L |
Our Service:
1. Inquiry-Professional quotation, or send inquiry item more details
2. Confirm the price, lead time, payment term etc
3. Proforma Invoice send or online
4. Make the samples according to your request, send you photos or samples, arrange the production
5. Send the production line photos Confirm the estimated delivery time again.
6. End Production-Mass production products photos and samples will send to you for approval.
7. Inform the tracking number and check the status for clients
8. Order can be say "finish" when you receive the goods and satisfy with them
9. Feedback to our about Quality, Service, Market Feedback & Suggestion. And we can do better
