Steels_ Metallurgy and Applications, Third Edition

Table 3.10 Seamless steel gas containers to BS 5045: Part I: 1982

Material code

Carbon
steels
C-Mn
steels
Cr-Mo

Ni-Cr-Mo

alloy steel

alloy steel

M

C

Mn

MnH

CM

NCM

C% Si% Mn% Cfi Mo% Ni% YSO TF

(N/m2) (N/mm2)

min.

0.15-0.25 0.05-0.35 0.4-0.9 - - - 250 430-510

0.35-0.45 0.05-0.35 0.6-1 - - 570-680

0.4 max. 0.1 -0.35 1.3-1.7 - - - 445 650-760

755 890- 1030

• 3 10

0.37 max. 0.1-0.35 0.4-0.9 0.8-1.2 0.15-0.25 0.5 UUX. 755 890- 1030

0.27-0.35 0.1-0.35 0.5-0.7 0.5-0.8 0.4-0.7 2.3 - 2.8 755 890- 1030

='For containers for use in hydrogen trailer service, the minimum yield strength shall not exceed 680 N/m2 and the tensile strength shall be within the range
800-930 N/mm2.
After BS 5045: Part I: 1982 Amendment No. 1, August 1986.