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{"title":"ANSI B16.5 Stainless Steel Lap Joint Flanges With Stub End A105 Material","imgUrl":"https:\/\/img.chinax.com\/nimg\/d6\/89\/5c017d23e79d216350aa059da0a4-200x200-1\/ansi_b16_5_stainless_steel_lap_joint_flanges_with_stub_end_a105_material.jpg","attrs":{"Type":"Stainless steel lap joint flanges","Standard":"ANSI B 16.5","Material":"a105","Flange Type":"Stainless Steel Lap Joint"}}
{"title":"Alloy 22 Lap Joint Flanges 1\/2"-72" Stainless Steel Weld Neck Flange","imgUrl":"https:\/\/img.chinax.com\/nimg\/2f\/bb\/c57834e87206d88e8bfd4780c5b5-200x200-1\/alloy_22_lap_joint_flanges_1_2f2_22_72_22_stainless_steel_weld_neck_flange.jpg","attrs":{"Material":"Alloy 20","Type":"lap joint flanges","Size":"1\/2inch to 72inch","flange type":"lap joint flanges"}}
11CrMo9-10 EN1092-1 Type 13 Loose Flange 1.7383 PN16 Forged Flanges
11CrMo9-10 is a low-alloy creep-resistant steel commonly used for high-temperature applications such as boiler tubes, headers, and piping in power plants. It's standardized in EN 10216-2 (seamless steel tubes for pressure purposes) and similar European norms.
Chemical Composition
Element
Content (Weight %)
Carbon (C)
0.08 – 0.12
Silicon (Si)
≤ 0.50
Manganese (Mn)
0.30 – 0.70
Phosphorus (P)
≤ 0.025
Sulfur (S)
≤ 0.010
Chromium (Cr)
2.00 – 2.50
Molybdenum (Mo)
0.90 – 1.10
Nitrogen (N)
≤ 0.030
Nickel (Ni)
≤ 0.30 (residual/limited)
Copper (Cu)
≤ 0.30 (residual/limited)
Balance
Iron (Fe)
Key Composition Benefits
Chromium (~2–2.5%): Improves oxidation and corrosion resistance at elevated temperature. Helps maintain strength and structural stability under long-term heat exposure.
Molybdenum (~1%): Significantly boosts high-temperature strength and creep resistance. Improves hardenability, helping the steel retain properties after heat treatment.
Low Carbon (~0.1%): Balances weldability and strength. Minimizes risk of brittle microstructures and excessive hardness in the heat-affected zone.
Tight Limits on P and S: Reduce hot-shortness and brittleness. Important for components under pressure and thermal cycling.
Because of this alloy balance, 11CrMo9-10 is chosen in power and process industries where components must operate safely for thousands of hours at temperatures often in the 500–600 °C range, with good weldability and long-term creep performance.
Important Note: If you're working on design, welding procedure qualification, or material substitution, always confirm the exact limits from the specific product standard (e.g., EN 10216-2) and the mill test certificate, since minor variations and tighter internal limits are common from different manufacturers.
Best Alloy Engineering Alloy Pipe as s a reference point for excellence in the manufacture and distribution of fittings, piping, bends, forged flanges , clad products and specialties for the upstream, midstream and downstream sectors of oil & gas, thermal and nuclear power generation.
The C...
Best Alloy Engineering Alloy Pipe as s a reference point for excellence in the manufacture and distribution of fittings, piping, bends, forged flanges , clad products and specialties for the upstream, midstream and downstream sectors of oil & gas, thermal and nuclear power generation.
The C...
