Alloy Steel Chemical composition

is steel that is alloyed with a variety of elements in total amounts between 1.0% and 50% by weight to improve its mechanical properties.
Alloy steels are broken down into two groups: low-alloy steels and high-alloy steels.

Steel Grade Standard Number Type Chemical composition Other
C Si S P Mn Cr Ni Mo Other ób ós δ5 HB
1Cr5Mo GB1221 Bar 0.15 0.5 0.03 0.035 0.6 4-6 0.6 0.45-0.6 590 390 18
1Cr5Mo GB6479 Pipe 0.15 0.5 0.03 0.035 0.6 4-6 0.45-0.6 Cu:0.25 390-590 195 22 ak J/cm2:118
1Cr5Mo GB9948 Pipe 0.15 0.5 0.03 0.035 0.6 4-6 0.6 0.45-0.6 Cu:0.25 390 195 22 187 Aku J:92
1Cr2Mo GB9948 Pipe 0.15 0.5-1 0.03 0.035 0.3-0.6 2.15-2.85 0.45-0.65 Cu:0.25 390 175 22 179 Aku J:92
12CrMo GB/T3077 Bar 0.08-0.15 0.17-0.37 0.035 0.035 0.4-0.7 0.4-0.7 0.3 0.4-0.55 Cu:0.3 410 265 24 179 ψ%:60;Aku2 J:110
12CrMo GB6479 Pipe 0.08-0.15 0.17-0.37 0.035 0.035 0.4-0.7 0.4-0.7 0.4-0.55 Cu:0.25 410-560 205 21 ak J/cm2:69
12CrMo GB9948 Pipe 0.08-0.15 0.17-0.37 0.035 0.035 0.4-0.7 0.4-0.7 0.3 0.4-0.55 Cu:0.25 410-560 205 21 156 Aku J:55
12CrMoG GB5310 Pipe 0.08-0.15 0.17-0.37 0.03 0.03 0.4-0.7 0.4-0.7 0.3 0.4-0.55 Cu:0.2 410-560 205 21 Akv J:35
12Cr1MoV GB/T3077 Bar 0.08-0.15 0.17-0.37 0.035 0.035 0.4-0.7 0.9-1.2 0.3 0.25-0.35 V:0.15-0.3;Cu:0.3 490 245 22 179 ψ%:50;Aku2 J:71
12Cr1MoVG GB5310 Pipe 0.08-0.15 0.17-0.37 0.03 0.03 0.4-0.7 0.9-1.2 0.3 0.25-0.35 V:0.15-0.3;Cu:0.2 470-640 255 21 Akv J:35
12Cr1MoVg GB713 Plate 0.08-0.15 0.17-0.37 0.03 0.03 0.4-0.7 0.9-1.2 0.3 0.25-0.35 Cu:0.3 440 245 19 Akv J:31
12Cr2Mo GB6479 Pipe 0.08-0.15 0.4-0.7 0.035 0.035 0.5 2-2.5 0.9-1.2 Cu:0.25 450-600 280 20 ak J/cm2:48
12Cr2MoG GB5310 Pipe 0.08-0.15 0.5 0.03 0.03 0.4-0.7 2-2.5 0.3 0.9-1.2 Cu:0.2 450-600 280 20 Akv J:35
15CrMo GB/T3077 Bar 0.12-0.18 0.17-0.37 0.035 0.035 0.4-0.7 0.8-1.1 0.3 0.4-0.55 Cu:0.3 440 295 22 179 ψ%:60;Aku2 J:94
15CrMo GB6479 Pipe 0.12-0.18 0.17-0.37 0.035 0.035 0.4-0.7 0.8-1.1 0.4-0.55 Cu:0.25 440-640 235 21 ak J/cm2:59
15CrMo GB9948 Pipe 0.12-0.18 0.17-0.37 0.035 0.035 0.4-0.7 0.8-1.1 0.3 0.4-0.55 Cu:0.25 440-640 235 21 170 Aku J:47
15CrMoG GB5310 Pipe 0.12-0.18 0.17-0.37 0.03 0.03 0.4-0.7 0.8-1.1 0.3 0.4-0.55 Cu:0.2 440-640 235 21 Akv J:35
15CrMog GB713 Plate 0.12-0.18 0.15-0.4 0.03 0.03 0.4-0.7 0.8-1.2 0.3 0.45-0.6 Cu:0.3 450-590 295 19 Akv J:31
15CrMoR GB6654 Plate 0.12-0.18 0.15-0.4 0.03 0.03 0.4-0.7 0.8-1.2 0.3 0.45-0.6 Cu:0.3 450-590 295 19 Akv J:35
ASTM A335/A335M
Steel No. Type Chemical composition
C Si S P Mn Cr Ni Mo Other ób ós δ5 HB
P5 0.15 0.5 0.025 0.025 0.3-0.6 4-6 0.45-0.65 415 205 22
P5b 0.15 1-2 0.025 0.025 0.3-0.6 4-6 0.45-0.65 415 205 22
P5c 0.12 0.5 0.025 0.025 0.3-0.6 4-6 0.45-0.65 Ti:4C%-0.7 415 205 22
P9 0.15 0.5-1 0.025 0.025 0.3-0.6 8-10 0.9-1.1 415 205 22
P11 0.05-0.15 0.5-1 0.025 0.025 0.3-0.6 1-1.5 0.44-0.65 415 205 22
P12 0.05-0.15 0.5 0.025 0.025 0.3-0.61 0.8-1.25 0.44-0.65 415 220 22
P22 0.05-0.15 0.5 0.025 0.025 0.3-0.6 1.9-2.6 0.87-0.13 415 205 22
P91 0.08-0.12 0.2-0.5 0.01 0.02 0.3-0.6 8-9.5 0.4 0.85-1.05 See sdandard 585 415 20
Related products maybe you like
ASTM
Speciality pipe and tube’s Comparison of Specifications
Main uses of stainless steel
Standard for Welded Carbon Steel Tubes
Piping Elbows and
are used are in 10 applications

Leave a Reply

Your email address will not be published. Required fields are marked *