AMS SA-437 Grade B4B

2014-01-06 15:29:12 Print this page

The high quality USA AMS SA-437 Grade B4B material is one of the more steel grades we supply, AMS SA-437/SA-437M,Alloy Steel Turbine-Type Bolting Material Specially Heat Treated for High-Temperature Service. SA-437 Grade B4B is our main production grade, which has been approved by customers in many countries since its initial production, including our SA-437 Grade B4B 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 SA-437 Grade B4B materials, and we are willing to develop together with customers from all over the world.

Also includes SA-437 Grade B4B steel material norm, chemical composition, mechanical properties, datasheet, SA-437 Grade B4B equivalent, heat treatment and temperature process of SA-437 Grade B4B, The peak hardness can be achieved, Contains all of the specification, welding properties, let us in SA-437 Grade B4B this steel grade have a more comprehensive understanding, Download the full SA-437 Grade B4B PDF version of this datasheet.

Chemical composition (wt.%) of SA-437 Grade B4B

Elements	Min.（≥）	Max.（≤）
C	-	0.01
Si	-	0.05
Mn	-	1.50
P	-	0.04
S	-	0.01
Ni	-	remaining
Cr	0.50	1.50
Al	0.10	0.50
Cu	-	0.50
Ti	-	-
Fe	1.00	6.00
Mo	26.00	30.00
Co	-	2.50

Mechanical Properties of SA-437 Grade B4B

Rp0.2 (MPa)	Rm (MPa)	Impact KV (J)	Elongation A (%)	A Z (%)	Delivery	Hardness HB
231 (≥)	647 (≥)	33	44	31	Solution & Aging, Ann, Ausaging, Q+T	414