20G high pressure boiler tube, used in a variety of high temperature, high pressure working environment
20G seamless steel pipe chemical composition: carbon: 0.17 ~ 0.23, silicon: 0.17 ~ 0.37, manganese: 0.35 ~ 0.65, chromium: ≤ 0.25, molybdenum: ≤ 0.15, vanadium: ≤ 0.08, nickel: 0.25, aluminium: ≤ 0.015, copper: ≤ 0.020, phosphorus: not more than 0.025, sulfur: not more than 0.020
20G carbon steel seamless steel pipe heat treatment system: 880 ℃ ~ 940 ℃ normalised.
Mechanical properties: tensile strength 410 ~ 550, yield strength: ≥ 245, elongation at break longitudinal ≥ 24, elongation at break transverse ≥ 22, impact work longitudinal ≥ 40, impact work transverse ≥ 27,.
Product specification: outer diameter 18~760mm, wall thickness 2.0~140mm.
Production method: hot rolled, cold drawn, hot expanded. Delivery status: heat treatment.
GNEE Group can provide you with 20G boiler tubes in accordance with German standard, quality inspection of steel tubes before leaving factory: hardness test, water pressure test, non-destructive testing, chemical element test, etc. GNEE Group insists on providing customers with high quality and qualified steel tubes, if you have any need, please contact us immediately.
20G High Pressure Boiler Tube Specification
| commodity | Seamless Steel BoilerTube |
| Standard | ASTM/DIN/EN/JIS/GB/GOST |
| material | Alloy steel |
| OD | 1/2"-48",10mm-1219mm |
| WT | SCH5,SCH10,SCH20,SCH40,SCH60,SCH80,SCH100,SCH120,SCH160,XXS |
| Other test | HY,ET according to request |
| Length | 2-12m as your required |
| Surface | Black paint as rusty protect, capped ends |
| Marks | As per customers' requirement (Hard marking or spray marking) |
| Packing | Standard export sea-worthy package, or as customers' request |
| Shipment | In bundles, shipped in 20 or 40 feet containers, break bulk vessel acc to QTY and discharge port |
| Ends | PE,BE |
GNEE Inspection
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FAQ
1. Q: Are you a factory or trading company?
A: We are professional manufacturer for steel pipe, and our company also is a very professional a trade company for steel products.we can also provide a wide range of steel products.
2. Q: Can I get samples before order ?
A: Samples can be provided free of charge, and the freight will be paid by the demander.
3. Q:what is your delivery time ?
A: Our delivery time is about one week, timing according to the number of customers.
4. Q:What is your payment terms?
A: Our usual payment methods are T/T, L/C,payment methods can be negotiated and customized with customers
5.Q:What do your factory do regarding quality control?
A: We have obtained ISO, CE and other certifications. From materials to products, we check every process to maintain good quality.
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