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{"title":"EN 1092-1 Type 01A Flat Flange with No Preparation for Welding","imgUrl":"https:\/\/img.chinax.com\/nimg\/a0\/d0\/4afdaf9a02be3b2f3258bae5ddb3-200x200-1\/en_1092_1_type_01a_flat_flange_with_no_preparation_for_welding.jpg","attrs":[]}
{"title":"X2CrNiMoN17-13-3 EN 10222-5 1.4429 Corrosion Resistant Stainless Steel Lap Joint","imgUrl":"https:\/\/img.chinax.com\/nimg\/74\/2d\/ae62f7677478eff286bfbecbd52f-200x200-1\/x2crnimon17_13_3_en_10222_5_1_4429_corrosion_resistant_stainless_steel_lap_joint_flange_en1092_1_type_01.jpg","attrs":[]}
{"title":"Forged ASME B16.5 Lap Joint Flange Inconel 600 UNS N06600 Nickel Alloy LJ","imgUrl":"https:\/\/img.chinax.com\/nimg\/2f\/6a\/57335a66fe170662f5f1db633723-200x200-1\/forged_asme_b16_5_lap_joint_flange_inconel_600_uns_n06600_nickel_alloy_lj_flanges.jpg","attrs":{"Brand Name":"OK","Model Number":"1\/2\u2018\u2019-84''","Certification":"CE","Place of Origin":"china"}}
{"title":"S355NH Lap Joint Flange 1.0539 EN 10219-1: 2006 Cold Formed Welded Structural","imgUrl":"https:\/\/img.chinax.com\/nimg\/c2\/df\/2eff72822fb5c5612d5cf4d89f82-200x200-1\/s355nh_lap_joint_flange_1_0539_en_10219_1_3a_2006_cold_formed_welded_structural_hollow.jpg","attrs":{"Material":"S355NH","Flange":"lap joint steel flanges","Standard":"EN1092-1 Type 01","Steel Number":"1.0539"}}
{"title":"X2CrNiN18-10 1.4311 Stainless Steel Lap Joint Flange EN 10222-5 Forged Lap Joint","imgUrl":"https:\/\/img.chinax.com\/nimg\/67\/b1\/aba1f5289e78471ba9c92e59f040-200x200-1\/x2crnin18_10_1_4311_stainless_steel_lap_joint_flange_en_10222_5_forged_lap_joint_flange.jpg","attrs":{"Steel Number":"1.4311","Type":"forged flanges","Standard":"EN 1092-1, typ 02 (04) + 32 (34)","Material":"X2CrNiN18-10"}}
{"title":"X6CrNi18-10 Steel Lap Joint Flanges 1.4948 EN 10222-5 Forged Flanges","imgUrl":"https:\/\/img.chinax.com\/nimg\/b4\/5d\/d7d6aa653a7cb4b6c9224c5f8165-200x200-1\/x6crni18_10_steel_lap_joint_flanges_1_4948_en_10222_5_forged_flanges.jpg","attrs":{"Steel Number":"1.4948","Type":"steel lap joint flanges","Standard":"\u010cSN 131160 typ 13 EN 1092-1, typ 13","Material":"X6CrNi18-10"}}
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.
