NFA 36-211 BS 3 steel are characterised by a good weldability. The user of NFA 36-211 BS 3 steel must make sure that his calculation, design and processing methods are appropriate for the material. The NFA 36-211 BS 3 steel of this series are used for manufacturing gas cylinders by welding cold-formed parts together and normalizing the inished cylinder.
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Chemical composition unit%
Symbol | Chemical composition | ||||
C max | Si max | Mn max | P max | S max | |
BS 3 | 0.20 | 0.55 | 1.50 | 0.040 | 0.040 |
Mechanical properties
Symbol | Yield point or proof stress N/mm2 (min) | Tensile strength N/mm2 min | Elongation % min | Tensile test piece | Bendability | ||
Bending Angle | Inside radius | Test piece | |||||
BS3 | 365 | 540 | 20 | NO.5 in rolling direction | 180° | Thickness x 1.0 Thickness x 1.5 | No.3 in rolling direction |
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