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Low-Alloy Pressure Vessel Steel Boiler and Heat-Exchanger Tubes with Toughness at Lower Temperatures and EN 10028 / EN 10222 Compliance
Low-Alloy Pressure Vessel Steel Boiler and Heat-Exchanger Tubes with Toughness at Lower Temperatures and EN 10028 / EN 10222 Compliance
Low-Alloy Pressure Vessel Steel Boiler and Heat-Exchanger Tubes with Toughness at Lower Temperatures and EN 10028 / EN 10222 Compliance
Low-Alloy Pressure Vessel Steel Boiler and Heat-Exchanger Tubes with Toughness at Lower Temperatures and EN 10028 / EN 10222 Compliance
Specifications
Description
1.1101 P215NL/P255QL Boiler and Heat-Exchanger Tubes
Material Overview

1.1101 (P215NL / P255QL) is a low-alloy pressure vessel steel specifically designed for boilers, pressure vessels, and similar applications requiring enhanced toughness at lower temperatures.

Typical Chemical Composition

The chemical composition ranges may vary slightly by standard and manufacturer, but typically include:

Primary Elements
  • Carbon (C): 0.12–0.18%
  • Manganese (Mn): 0.40–1.40%
  • Silicon (Si): Up to 0.40–0.50%
  • Phosphorus (P): Maximum ~0.025–0.030%
  • Sulfur (S): Maximum ~0.025–0.030%
Alloying & Residual Elements
  • Chromium (Cr): Typically ≤ 0.30%
  • Nickel (Ni): Typically ≤ 0.30%
  • Molybdenum (Mo): Typically ≤ 0.10–0.15%
  • Copper (Cu): Typically ≤ 0.30%
  • Nitrogen (N): Typically ≤ 0.012–0.020%
Technical Considerations
  • Standard-Dependent Specifications: P215NL and P255QL designations originate from European pressure-vessel steel standards (EN 10028 / EN 10222 families). Always refer to current EN standards or mill certificates for precise composition limits.
  • Product Form Variations: Composition limits may vary slightly between plate, forged, or seamless products, with potential tightening of impurities like phosphorus and sulfur.
  • Quality Verification: The definitive composition for qualification purposes is documented on the Mill Test Certificate (MTC / 3.1 certificate), with actual heat analysis typically falling within standard ranges.

For precise specifications, please specify whether you're working under EN 10028-3, EN 10222-4, or another specific standard and product form (plate, forging, tube).

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Low-Alloy Pressure Vessel Steel Boiler and Heat-Exchanger Tubes with Toughness at Lower Temperatures and EN 10028 / EN 10222 Compliance

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Low-Alloy Pressure Vessel Steel Boiler and Heat-Exchanger Tubes with Toughness at Lower Temperatures and EN 10028 / EN 10222 Compliance
Low-Alloy Pressure Vessel Steel Boiler and Heat-Exchanger Tubes with Toughness at Lower Temperatures and EN 10028 / EN 10222 Compliance

BEST PIPELINE EQUIPMENT CO.,LTD

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jiangsu, suzhou
Since 2010
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Manufacturer, Distributor/Wholesaler, Agent, Importer, Exporter, Trading Company, Seller, Other
Main Products :
Alloy Steel Seamless Pipes, Boiler Steel Pipe, Heat Resistant Stainless Steel Pipe
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