ASTM A387/A387M A387 Gr11 CL1,A387 grade11 class1 Alloy boiler steel plate
BBN steel offer ASTM A387 Gr11 CL1,A387 grade11 class1 Alloy boiler steel plate in China. ASTM A387 Gr 11 CL 1 steel is a chromium molybdenum Alloy steel plate intended primarily for welded boiler and pressure vessels designed of elevated temperature service. The Cr content 1.25% and the Mo content 0.5%.e available only as Class 2.
ASTM A387 Grade 11 Class 1 steel material is in the standard ASTM A-387/A-387M . A387 Grade 11Class 1 is a kind of Cr-Mo-alloy steel plates material used to fabric high temperature pressure vessels. A387 have ten grades or levels. They are : grade 2 , grade 12 , grade 11 , grade 22 , grade 22L , grade 21 , grade 21L , grade 5 , grade 9 , grade 91. Because of the good property , A387GR11CL1 , A387GR11CL2 , A387GR22CL1 , A387GR22CL2 , A387GR12CL1 , A387GR12CL2 are widely used in the high temperature vessels industry.
A387 grade11 class1 Production Size: Thickness: 4mm- 400mm; Width: 1000mm- 4000mm; Length: 4000mm- 12000mm.
A387 grade11 class1 Production ability:10000 Tons Per Month.
A387 grade11 class1 Production Way: Hot Rolled, Annealing, Normalizing, Tempering.
ASTM A387/A387M A387 Gr11 CL1 steel Chemical Composition:
| A387 Gr.11 CL.1Chemical Composition | |||||||
| Grade | The Element Max (%) | ||||||
| C | Si | Mn | P | S | Cr | Mo | |
| A387 Gr.11 Cl.1 | 0.04-0.17 | 0.44-0.86 | 0.35-0.73 | 0.035 | 0.035 | 0.94-1.56 | 0.40-0.70 |
ASTM A387/A387M A387 Gr11 CL1 steel Mechanical Property:
| Grade | A387 Gr.11 CL.1Mechanical Property | |||
| Thickness | Yield | Tensile | Elongation | |
| A387 Gr.11 Cl.1 | mm | Min Mpa | Mpa | Min % |
| t≦50 | 240 | 415-585 | 22 | |
| 50<t≦200 | 240 | 415-585 | 19 | |
| Equivalent steel grade of A387 Gr.11 Cl.1 | ||||||||
| Europe | Belgium | Germany | France | Italy | Sweden | India | Japan | U.K |
| 621 gr. A,B | ||||||||
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