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{"title":"EN DIN Standard 41CrAlMo7 Alloy Steel Round Bar Diameter 10 - 350mm SCM645 Alloy","imgUrl":"https:\/\/img.chinax.com\/nimg\/86\/8a\/f384d75ceea894a15b4f1ea6423b-200x200-1\/en_din_standard_41cralmo7_alloy_steel_round_bar_diameter_10_350mm_scm645_alloy.jpg","attrs":{"Brand Name":"DELTA","Model Number":"41CrAliMo7","Certification":"ISO","Place of Origin":"China"}}
{"title":"25Cr2MoVA \/ DIN1.8159 Alloy Steel Round Bar Hot Rolled Diameter 20 - 350mm in 6m","imgUrl":"https:\/\/img.chinax.com\/nimg\/55\/19\/5e678c170e39068beeabe330b547-200x200-1\/25cr2mova_2f_din1_8159_alloy_steel_round_bar_hot_rolled_diameter_20_350mm_in_6m_length.jpg","attrs":{"Brand Name":"DELTA","Model Number":"DIN 1.8159 (25CrMoV6-4) \/ 25Cr2MoVA","Certification":"ISO","Place of Origin":"China"}}
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High carbon chromium bearing steel round bars specifically designed for forming tools, hand taps, and bearing applications.
Product Introduction
GCr15 is a high carbon chromium bearing steel with optimized alloy content. After quenching and low temperature tempering, it delivers high hardness, uniform microstructure, excellent wear resistance, and superior contact fatigue performance.
Key Features
Widely used high carbon chromium bearing steel with optimal performance and minimal alloy content
Excellent hardenability and comprehensive mechanical properties
Superior machinability following spheroidizing annealing
High hardness, uniform structure, exceptional wear resistance, and high contact fatigue performance after heat treatment
Outstanding hot working performance
International Standards Equivalents
Chinese (GB)
American (AISI)
German (DIN)
Japanese (JIS)
GCr15
SAE52100
100Cr6/EN31
SUJ2
Chemical Composition (%)
Grade
C
Si
Mn
P
S
Cr
Mo
Cu
Ni
GCr15/52100
0.95-1.05
0.15-0.35
0.2-0.4
≤0.027
≤0.02
1.3-1.65
≤0.1
≤0.25
≤0.3
100Cr6
0.95-1.05
0.15-0.35
0.25-0.45
≤0.025
≤0.025
1.4-1.65
≤0.08
≤0.25
≤0.3
Heat Treatment Parameters
Quenching
Tempering
Temperature (°C)
Cooling
Hardness (HRC)
Temperature (°C)
Cooling
Hardness (HRC)
830-850
Oil
62-65
150-190
Air
58-62
Typical Applications
Manufacturing bearing rings and rolling elements for internal combustion engines, electric motors, automotive systems, tractors, machine tools, rolling mills, boring machines, mining equipment, and general machinery
Production of high-load, high-speed rotating mechanical transmission bearings
Fabrication of precision tools including punching dies and measuring instruments
Available Stock Sizes
Product Form
Dimension
Range
Round Bar
Diameter
16-280mm
Length
4000-10000mm
Flat Steel
Thickness
8-200mm
Length
3000-4000mm
Why Choose Our GCr15 Steel Products?
Premium Quality Assurance
We source materials exclusively from government-owned steel mills to ensure consistent, high-quality steel products. Our two decades of industry experience demonstrate our commitment to delivering both superior quality and competitive pricing.
Reliable and Timely Delivery
We prioritize every order, ensuring prompt delivery whether you require raw materials or finished products with machining or heat treatment services.
ISO 9001 Certified Quality Management
Our integrated quality management system is continuously improved and certified according to ISO 9001 standards, with regular audits and recertification to maintain excellence.
Comprehensive Service Offering
We provide specialty steel solutions for all industrial applications with the following value-added services:
Quality special steel for diverse industries
Flexible order sizes with fast shipping
Unique inventory of specialty steel products
Value-added services: metal cutting, sizing, machining (blanking, milling, grinding), and heat treatment
Sawing services for small or large quantities, including sawing-to-size
Exceptional customer service and technical support
Contact Us Today for Latest Pricing and Technical Details!
Company Details
Bronze Gleitlager
,
Bronze Sleeve Bushings
and
Graphite Plugged Bushings
from Quality China Factory
Business Type:
Manufacturer,Distributor/Wholesaler,Exporter
Total Annual:
>1000000
Employee Number:
>100
Ecer Certification：
Verified Supplier
Our company is located in Wuxi City, China, we are a stainless steel plate, seamless steel pipe, round steel, steel belt, decorative pipe and other products distribution wholesale private enterprise. Our company operates stainless steel plate, seamless steel pipe, round steel, steel belt, decorative... Our company is located in Wuxi City, China, we are a stainless steel plate, seamless steel pipe, round steel, steel belt, decorative pipe and other products distribution wholesale private enterprise. Our company operates stainless steel plate, seamless steel pipe, round steel, steel belt, decorative...
