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B.S. LW21

LW21


LW21 material is B.S. BS 6323-8 Specification for seamless and welded steel tubes for automobile , mechanical and general engineering purposes. Specific requirements for longitudinally welded stainless steel tubes Specification for seamless and welded steel tubes for automobile , mechanical and general engineering purposes. Specific requirements for longitudinally welded stainless steel tubes.

Chemical composition of LW21, LW21 mechanical properties, LW21 datasheet, LW21 equivalent grade, Heat treatment and temperature process of LW21.


LW21 property sheet

LW21 Spec.

B.S. BS 6323-8
Specification for seamless and welded steel tubes for automobile , mechanical and general engineering purposes. Specific requirements for longitudinally welded stainless steel tubes

Related Materials

LW21
LWCF21
304S15
LW15
LWCF15

Chemical Composition of LW21

C: Max 0.06
Si: Max 1.00
Mn: Max 2.00
P: Max 0.045
S: Max 0.030
Cr: 17.50 19.00
Ni: 8.00 11.00
Mo: Max Min

Mechanical Properties of LW21

Rp0.2 (MPa) 348 (≥)
Rm (MPa) 795 (≥)
AKV (J) 23
A (%) 31
Z (%) 24
Hardness HBW 422

LW21 shape and dimensions

LW21 Round bar: 1mm-800mm
LW21 Square bar: 10mm * 10mm-600mm *600mm
LW21 Flat bar: Thickness:8mm-800mm Width:10mm to 1500mm
LW21 Sheet or Plate: Thickness:3mm-80mm Width:1.5mm to 1500mm
LW21 Strip or Coil: Thickness:0.1mm-3mm Width:1.5mm-1500mm
LW21 Forgings: Shafts with flanks/pipes/tubes/slugs/donuts/cubes/other shapes

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