The bearing steel bars and wire rods of “SANDA” brand produced by Dongbei Special Steel Group have been awarded the “National Gold Cup Prize” for its products conforming to the international quality standard and given the title of “China Top Brand” in 2007. Currently these products share more than 31% of the total domestic production. The product’s chemical composition control, homogeneity , O & Ti content, inclusion rating & distribution, carbide rating ( network, bands, liquid segregation, spheroidization ) is among the best in China. The product’s quality meets the demand of TIMKEN , INA , SKF .
Bar: The mini mill in Beiman is concentrated on making hot-rolled, annealed and spheroidized bearing steel bar with a size range of Φ13~200mm .
The 750 bar mill and wire rod mill in Dalian Special Steel; and the bar mill in Fushun Special Steel all complement Beiman’s production ability.
Wire rod: Wire rod and bar rolling mill in Dalian, as main production line, is focused on making bearing steel wire rod in hot-rolled, annealed and spheroidized condition with size Φ5.5~20mm (coil weight 1200~1500kg). Bearing steel wire rod from Dongbei Special Steel, which has good size accuracy, surface quality, internal quality and deep-processing property, shares more than 20% of total domestic market.
Bearing steel phosphated wire rod which can be produced only by Dongbei Special Steel Group gained the authentication of TORRINGTON . and TIMKEN . Dongbei Special Steel Group is an approved global supplier of bearing steel wire rod to Timken.
rolling element(ball bearing、roller bearing、needle roller )、micro bearing inner and outer race
Beiman
Φ12~19
Dalian
Φ12~19
Dalian Cold-drawn
steel Company
Φ7~45
Fushun
Steel Grade And Executive Specification
Product Category
Steel Grade
Similar to other Foreign Steel Grade
Specification
USA, ASTM
Japan, JIS
Germany, DIN
high carbon chromium
bearing steel
GCr15
GCr15SiMn
GCr18Mo
SAE52100
SAE51100
SUJ2
100Cr6
100CrMn6
YB/T18254-2002
GB/3203-1982
carburizing bearing steel
G20CrNiMo
G20CrNi2Mo
G20Cr2Ni4
8620
4320
direct drawing bearing steel
KBGCr15
Note: Dalian is the only manufacturer who can produce KBGCr15, which can be cold drawn directly without heat treatment.
The material could be supplied in special specification as per customer's requirements.