Import Bearing Steel — Buy in Bulk from Supplier in China

Candimo Special Steel Co. Ltd. supplies 100CrMo7 bearing steel from Guangzhou, Tian He District, a grade designed for high-performance bearing and rolling contact component manufacture. This through-hardening chromium-molybdenum alloy steel offers the combination of hardness, wear resistance, and fatigue strength that bearing rings and rolling elements demand. The material responds to heat treatment with uniform hardness distribution and dimensional stability. Manufacturer direct sourcing is indicated for competitive bulk supply.

100CrMo7 corresponds to European designation EN 10027 with approximately 1.0 percent carbon, 1.45-1.65 percent chromium, and 0.20-0.30 percent molybdenum typical. The molybdenum addition improves temper resistance and reduces susceptibility to temper brittleness compared to simpler chromium grades. Hardness after oil quenching and low temper typically reaches 60-64 HRC, with retained austenite controlled through cryogenic treatment or extended tempering depending on specification. The source mentions heat treatment for enhanced strength and toughness, though precise austenitizing temperature and quench medium are not stated.

Automotive, aerospace, and heavy machinery manufacturers form the primary demand for this grade in bearing ring, roller, and ball production. Excellent machinability in the annealed condition allows precision fabrication before final hardening. Buyers should request material certificates with ultrasonic testing and macro-etch results per EN 10228. The actual MOQ, lead time, and certification scope require direct confirmation with Candimo Special Steel Co. Ltd., as the source mentions flexibility without stating specifics.

Candimo Special Steel Co. Ltd. is located in Tian He District, Guangzhou, postal code 510000, China. The supplier tier is marked as imported with harbor trust classification. Response rate shows 0.00 percent and zero average response hours, indicating either minimal platform engagement or untracked communication channels. The company presents itself as a manufacturer offering direct sourcing of bearing steel with flexible supply arrangements.

The source description mentions ISO certifications without specifying which standards, scope, or accredited body. No factory size, equipment list, melt shop or rolling mill capacity, annual output, or client references are provided. The company states compliance with international standards and competitive bulk pricing, but does not list specific quality management system registration numbers. Buyers should request ISO 9001 certificate scope and ISO/TS 16949 or IATF 16949 automotive approval if supplying to tier-one automotive bearing manufacturers. Verification of actual production capability versus trading-only status is essential before reliance on manufacturer-direct claims.