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Stainless Steels & Special Steels

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
854 (≥) 936 (≥) 42 12 44 Solution & Aging, Ann, Ausaging, Q+T 442
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