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Prime hot rolled alloy sheet in coils sa 387 gr 11 sa387 suppliers astm a387 steel plate

All chrome molybdenum steel sheets are sedated and heat treated in accordance with ASTM A387, which also specifies minimum and maximum levels of the following elements in steel: Chemicals of Carbon, Manganese, Phosphorus, Sulfur, Silicon, Chromium, Molybdenum, Nickel, Vanadium requirements, columbium, boron, nitrogen, aluminum, titanium and zirconium. A387 boards must undergo product, chemical and tensile testing (documented in the MTC or material test certificate) – must meet specific requirements for tensile strength, yield strength and elongation.

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A387 steel specification refers to 6 grades levels of alloy steel plate for elevated temperature applications, classified by chromium and molybdenum content, Grade 11 and Grade 12 has similar chemical content,they can be used in welded pressure vessels and industrial boilers, and mostly in oil gas and petrochemical industry, generally sa 387 gr 11 plate is used for transportion of medium at high temperature.

 

Grade 5 and Grade 9 Steel plates have good corrosion and heat resistance for alloy element chromium and molybdenum, which is needed in sour oil gas industry. Grade 91 is a high level steel grade for outstanding heat and anti corrosion and oxidation resistance characteristics, it satisifies most applications in fierce working environment with higher requirements. HT PIPE supplies A387 steel plate in wide dimension range for pressure vessel manufacuturers and oil and gas industries, if you are interested in ASTM A387 steel plate or other pressure vessel steel products, please contact us now for latest price!

 

SA 387 gr 11 steel plate is applied in temperature range(316℃-593℃). The elevated temperature properties of it is still of paricular interest, even with the current trend towards applications with high cvn toughness requirements. SA 387 gr 11 steel plate tend to be fin grain, low silicon, low sulfur, calcium treated and occasionally produced Q&T to give the highest levels of toughness.

 

Type Plate, Sheet,Strip Coil
Length 0~12m or as per your requirements
Width 0~2500mm or as per your requirements
Thickness 0.3~1200mm or as per your requirements
Process Hot/Cold Rolled
Surface No.1 No.2D No.2B BA No.3 No.4 No.6 No.7
Packing Steel Frame, waterproof paper, wooden pallet, wooden case or as per the customers’ request.
Material Alloy Steel ASTM A387 Grade 11/12/54

 

A387/SA387 Alloy Steel Plate Chemical Properties:
A387/SA387 Grade 5 Grade 9 Grade 11 Grade 12 Grade 22
Carbon 0.15 max 0.15 max 0.04-0.17 0.04-0.17 0.04-0.15
Manganese 0.25-0.66 0.25-0.66 0.35-0.73 0.35-0.73 0.25-0.66
Phosphorous 0.035 0.030 0.035 0.035 0.035
Sulfur 0.030 0.030 0.035 0.035 0.035
Silicon 0.55 max 1.05 max 0.44-0.86 0.13-0.45 0.5 max
Chromium 3.9-6.1 7.9-10.1 0.94-1.56 0.74-1.21 1.88-2.62
Molybdenum 0.40-0.7 0.85-1.15 0.40-0.7 0.4-0.65 0.85-1.15
A387/SA387 Alloy Steel Plate Mechanical Properties:
Grade A 387 Grade 5 A 387 Grade 9 A 387 Grade 11 A 387 Grade 12 A 387 Grade 22
Class 1 Class 2 Class 1 Class 2 Class 1 Class 2 Class 1 Class 2 Class 1 Class 2
Tensile Strength (ksi) 60-85 75-100 60-85 75-100 60-85 70-90 50-80 60-85 60-85 75-100
Tensile Strength (MPa) 415-585 515-690 415-585 515-690 415-585 485-620 380-550 415-585 415-585 515-690
Yield Strength (ksi) 30 45 30 45 35 45 33 40 30 45
Yield Strength (MPa) 205 310 205 310 240 310 230 275 205 310
Elongation in 200mm (%) 19 18 18 19
Elongation in 50mm (%) 18 18 18 18 22 22 22 22 18 18
Reduction of area in % 45 45 45 45 45 45
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