Xi'an machinery & engineering import & export co.,ltd.
Established in 2006, Xi'an Machinery & Engineering Import & Export
Co.,Ltd.（XMEC) is the successor to Shaanxi Marine and Engineering
Import & Export Co., Ltd., which is specialized in importing &
exporting mechanical and electrical products, complete equipment,
various kinds of vessels and ships, marine equipment and port
machinery, electronic and electric products, instruments and
meters, minerals and metals, light industrial products, etc. XMEC
also engages in different trading activities such as import and
export of techniques and overseas project contracting.
With over 20 years of importing and exporting experience, we
have good reputation from our customers at home and abroad, our
source passed ISO9001:2008 and our products got SGS,RoHS
Certificates etc.
Based on almost two decades of continuous efforts and development,
our company has become one of the leading domestic facility which
can supply high precision steel balls with complete specifications.
We mainly produce Chrome steel ball (AISI52100, 100Cr6, GCr15,
GCr15SiMn, SUJ2), Stainless steel ball (201, 304, 316, 420, 420C,
440C, 430), Carbon steel ball (1015, 1010, 1045, 1085), Tungsten
carbide ball etc., Especially from 7.9375 mm - 82.55 mm high
precision size chrome steel balls which are our principal
products and used mostly for Wind Turbine Bearing, Slewing Ring
Bearing and also the Bearing. The accuracy range of the steel balls
we provide is from G10- G1000.
Based on customer’s requirement, the steel balls could be produced
according to China Standard GB/T 308.1, International Standard ISO
3290, America Standard ANSI/ABMA Std. 10A, Germany Standard DIN
5401, Japan Standard JIS B 1501 etc.
With features of low-noisy, high-accuracy, best-service, our
products have been widely used in various industry fields, such as
aerospace industry, bearing, bicycle, auto industry, medical
industry, electronic field, military industry, precision instrument
and so on. They are all sold to overseas market with most
competitive price and high quality.
We are looking forward to cooperation with you at the basis of
mutual benefit in the near future.
Chrome Steel Ball details as follows
| Ball Diameter | Grade | Hardness | Material |
| 5/8" (15.875mm) -- 1" (25.4mm) | G20 | HRc 62-67 | Gcr15(52100,100Cr6,SUJ2) |
| 1 1/8"(28.575mm) -- 1 3/8" (34.925mm) | G28 | HRc 61-67 | Gcr15(52100,100Cr6,SUJ2) |
| 1 1/2" (38.1mm) -- 2 1/6" 55mm | G40 | HRc 61-67 | Gcr15(52100,100Cr6,SUJ2) |
| (44.94mm - 45.06mm) | G40 | HRc 61-67 | Gcr15(52100,100Cr6,SUJ2) |
| (49.94mm - 50.06mm) | G40 | HRc 61-67 | Gcr15(52100,100Cr6,SUJ2) |
| (59.94mm - 60.06mm) | G40 | HRc 61-67 | GCr15SiMn,100CrSiMn6-4,SUJ3,52100 |
| (62.94mm - 63.06mm) | G40 or G60 | HRc 61-67 | GCr15SiMn,100CrSiMn6-4,SUJ3,52100 |
| 3" (76.2mm) | G60 or G100 | HRc 57-63 | GCr15SiMn,100CrSiMn6-4,SUJ3,52100 |
| 2 3/4" (69.85mm) -- 3 3/20" (80mm) | G100 | HRc 59-65 | GCr15SiMn,100CrSiMn6-4,SUJ3,52100 |
| 3 1/4" ( 82.55mm) | G100 | HRc 57-63 | GCr15SiMn,100CrSiMn6-4,SUJ3,52100 |
