ASTM A335

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Standard: ASME SA 335 American society of mechanical engineers; ASTM A335M American society for Testing and Materials Uses: For manufacture wall panel, economizer, reheater, superheater and steam pipeline of boilers. Chemical Composition(%): Grade UNS Designation Composition, % Carbon Manganese Phosphorus, Sulfur Silicon Chromium Molybdenum Others max max P1 K11522 0.10–0.20 0.30–0.80 0.025 0.025 0.10–0.50 --- 0.44–0.65 --- P2 K11547 0.10–0.20 0.30–0.61 0.025 0.025 0.10–0.30 0.50–0.81 0.44–0.65 --- P5 K41545 0.15 max 0.30–0.60 0.025 0.025 0.50 max 4.00–6.00 0.45–0.65 --- P9 S50400 0.15 max 0.30–0.60 0.025 0.025 0.25–1.00 8.00–10.00 0.90–1.10 --- P11 K11597 0.05–0.15 0.30–0.60 0.025 0.025 0.50–1.00 1.00–1.50 0.44–0.65 --- P12 K11562 0.05–0.15 0.30–0.61 0.025 0.025 0.50 max 0.80–1.25 0.44–0.65 --- P15 K11578 0.05–0.15 0.30–0.60 0.025 0.025 1.15–1.65 --- 0.44–0.65 --- P21 K31545 0.05–0.15 0.30–0.60 0.025 0.025 0.50 max 2.65–3.35 0.80–1.06 --- P22 K21590 0.05–0.15 0.30–0.60 0.025 0.025 0.50 max 1.90–2.60 0.87–1.13 --- www.bestarpipe.com

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Bestar steel co.ltd

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