Boiler steel marking

Density and specific heat capacity of boiler steel
Welding boiler steel
Annealing, hardening and heat treatment of boiler steel
Boiler steel marking
Boiler steel applications

Are you interested in the marking of boiler steel? Supplier Evek GmbH offers to buy boiler steel in any quantity at an affordable price in a wide range. We provide product delivery anywhere in the continent. The price is optimal.

Boiler steel grades, GOST 5220-79

Steel grade Carbon Silicon Manganese Sulfur Phosphorus Chrome Nickel Molybdenum
not more than
15К 0,12-0,20 0,15-0,30 0,35-0,65 0,040 0,040 - - -
16К 0,12-0,20 0,17-0,37 0,45-0,75 0,040 0,040 - - -
18К 0,14-0,22 0,17-0,37 0,55-0,85 0,040 0,040 - - -
20К 0,16-0,24 0,15-0,30 0,35-0,65 0,040 0,040 - - -
22К 0,19-0,26 0,17-0,40 0,7-1,0 0,035 0,040 - - -
12CRM ≤ 0,16 0,17-0,37 0,4-0,7 0,025 0,025 0,8-1,10 ≤ 0,30 0,40-0,55
10CR2M 0,08-0,12 0,17-0,37 0,4-0,7 0,020 0,020 2,0-2,5 ≤ 0,30 0,60-0,80
12CR1MOF* 0,08-0,15 0,17-0,37 0,4-0,7 0,025 0,025 0,9-1,2 ≤ 0,30 0,25-0,35
09G2S ≤ 0,12 0,5-0,8 1,3-1,7 0,040 0,035 - - -
16GS 0,12-0,18 0,4-0,7 0,9-1,2 0,040 0,035 - - -
10G2C1 ≤ 0,12 0,8-1,1 1,3-1,65 0,040 0,035 - - -
17GS 0,14-0,20 0,4-0,6 1,0-1,4 0,040 0,035 - - -
17G1S 0,15-0,20 0,4-0,6 1,15-1,6 0,040 0,035 - - -
14CGS 0,11-0,16 0,4-0,7 0,9-1,3 0,040 0,035 0,5-0,8 - -
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* Mass fraction of vanadium 0.15%-0.30%.

Evek GmbH offers to buy boiler steel at an affordable price in a wide range. We provide delivery of products to any point of the continent. The price is optimal.

Boiler steel grade, GOST 5220-79

Steel grade Thickness, mm
15K, 16K, 18K, 20K 4...60
22К 25...70
09G2S, 16GS 4...160
10G2S1 4...160
17GS, 17G1S 4...50
12CR1MOV 4...40
12CRM 4...160
10CR2M 8...50
14CGS 4...10

Mechanical characteristics (temperature from 10 to 35°C)

Steel grade Sheet thickness, mm yield strength, MPa
not less		 Tensile strength, MPa Relative elongation, %, no less Impact strength, not less
J/cm after mechanical aging, J/cm
15К Before 5 225 370...480 27 - -
From 5 " 20 225 370...480 27 69 34
" 21 " 40 215 370...480 26 64 29
" 41 " 60 205 370...480 25 69 29
16К Before 5 255 400...490 22 - -
From 5 " 20 255 400...490 22 69 34
" 21 " 40 245 400...490 22 69 34
" 41 " 60 235 400...490 22 69 34
18К Before 5 275 430...520 20 - -
From 5 " 20 275 430...520 20 59 29
" 21 " 40 265 430...520 20 59 29
" 41 " 60 255 430...520 20 59 29
20К Before 5 245 400...510 25 - -
From 5 " 20 245 400...510 25 59 29
" 21 " 40 235 400...510 24 54) 24
" 41 " 60 225 400...510 23 49 24
22К From 25 To 60 265 430...590 22 59 29
St. 60 " 70 255 430...590 22 59 29
12X1MF To 5 295 440...590 21 - -
470...640
From 5 " 40 295 440...590 21 79 -
470...640
12CRM Up to 5 245 430...550 22 - -
From 5 " 50 245 430...550 22 59 -
" 51 " 100 235 At least 430 20 49 -
At least 420 18 39 -
10X2M From 8 to 50 295 390...590 20 98 -
450...590

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