B.S. LW21

2014-03-03 17:24:40 Print this page

The high quality UK B.S. LW21 material is one of the more steel grades we supply, 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. LW21 is our main production grade, which has been approved by customers in many countries since its initial production, including our LW21 round bars, flat bar, forgings, fasteners, tubes, wires, strips, sheets & Plates, as well as a variety of profiles, professional high precision auto-lathe processing manufacturer of clinching fasteners, axes, standoffs, screws, studs, nuts, bolt, OEM parts and special shaped turning partsthe state of delivery includes quenched and tempered, annealed, machined semi-finished products, we also have strict management of the packaging, to avoid material damage from transportation. We are the best supplier of LW21 materials, and we are willing to develop together with customers from all over the world.

Also includes LW21 steel material norm, chemical composition, mechanical properties, datasheet, LW21 equivalent, heat treatment and temperature process of LW21, The peak hardness can be achieved, Contains all of the specification, welding properties, let us in LW21 this steel grade have a more comprehensive understanding, Download the full LW21 PDF version of this datasheet.

Chemical composition (wt.%) of LW21

Elements	Min.（≥）	Max.（≤）
C	-	0.06
Si	-	1.00
Mn	-	2.00
P	-	0.045
S	-	0.030
Cr	17.50	19.00
Ni	8.00	11.00
Mo	-	-

Mechanical Properties of LW21

Rp0.2 (MPa)	Rm (MPa)	Impact KV (J)	Elongation A (%)	A Z (%)	Delivery	Hardness HB
996 (≥)	242 (≥)	11	44	24	Solution & Aging, Ann, Ausaging, Q+T	132