GB 4Cr9Si2

2013-06-13 17:59:44 Print this page

The high quality China GB 4Cr9Si2 material is one of the more steel grades we supply, GB GB/T 1221 (1992) , GB GB/T 12773 (1991) , GB JB/T 6398 (2006) ,Valve steel bars for internal combustion engines - Technical requirements. 4Cr9Si2 is our main production grade, which has been approved by customers in many countries since its initial production, including our 4Cr9Si2 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 4Cr9Si2 materials, and we are willing to develop together with customers from all over the world.

Also includes 4Cr9Si2 steel material norm, chemical composition, mechanical properties, datasheet, 4Cr9Si2 equivalent, heat treatment and temperature process of 4Cr9Si2, The peak hardness can be achieved, Contains all of the specification, welding properties, let us in 4Cr9Si2 this steel grade have a more comprehensive understanding, Download the full 4Cr9Si2 PDF version of this datasheet.

Chemical composition (wt.%) of 4Cr9Si2

Elements	Min.（≥）	Max.（≤）
C	0.35	0.50
Si	2.00	3.00
Mn	-	0.70
P	-	0.035
S	-	0.030
Ni	-	0.60
Cr	8.00	10.00

Mechanical Properties of 4Cr9Si2

Rp0.2 (MPa)	Rm (MPa)	Impact KV (J)	Elongation A (%)	A Z (%)	Delivery	Hardness HB
454 (≥)	384 (≥)	32	31	44	Solution & Aging, Ann, Ausaging, Q+T	423