Steel for gas cylinders and gas vessels are characterised by a minimum yield strength of 245 - 355Â MPa and by good weldability. The user of these steel grades must make sure that his calculation, design and processing methods are appropriate for the material. Steel for gas cylinders and gas vessels are used for manufacturing gas cylinders by welding cold-formed parts together and normalizing the finished cylinder.
The main grade of Steel for gas cylinders and gas vessels are :
Material #: 1.0111, 1.0243, 1.0437, 1.0557
EN 10120: P245NB, P265NB, P310NB, P355NB
DIN 17155: H I, H II, 17 Mn 4, 19 Mn 6
NFA 36-211: BS 1/2/3/4
UNI 7355: Fe E 24 KR, Fe E 27 KR, Fe E 31 KR, Fe E 35 KR
BS 5045: Type A/B/C/D
UNE 36129: AE 235 KR, AE 265 KR, AE 345 KR
JIS G3116: SG 255 , SG 295, SG 325, SG 365.
| Material # | EN 10120 | DIN 17155 | NFA 36-211 | UNI 7355 | BS 5045 | UNE 36129 | JIS G3116 |
| 1.0111 | P245NB | H I | BS 1 | Fe E 24 KR | Type A | AE 235 KR | SG 255 |
| 1.0243 | P265NB | H II | BS 2 | Fe E 27 KR | Type B | AE 265 KR | SG 295 |
| 1.0437 | P310NB | 17 Mn 4 | BS 3 | Fe E 31 KR | Type C | AE 345 KR | SG 325 |
| 1.0557 | P355NB | 19 Mn 6 | BS 4 | Fe E 35 KR | Type E | SG 365 |
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