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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 tensile alloy round bar available in sizes from 10-350mm, manufactured to DIN 1.6582 and EN 10083-3 standards.
Product Overview
34CrNiMo6 alloy steel is a high-strength nickel-molybdenum alloy with excellent comprehensive mechanical properties. This material is supplied as forged round bars, square/flat bars, rollers, shafts, and blocks, or as rolled round rods.
Straightness deviation: Maximum 2mm per meter with 360° rotary device
Quality Certification
Chemical composition per DIN 7527-6, EN 10250-3
Mechanical properties testing including tensile strength, yield point, elongation, and impact tests
Non-metallic inclusions analysis
Grain size: Minimum 5, preferred 8 (DIN 50601)
Ultrasonic testing: 360° complete round testing per EN 10228-3
Mechanical Properties
Property
Value
Quenching Temperature
850°C (oil)
Tempering
200°C (air)
Tensile Strength
≥980 MPa
Yield Strength
≥785 MPa
Elongation
≥9%
Reduction of Area
≥40%
Impact Energy (Akv)
≥47 J
Applications
34CrNiMo6 steel is widely used for high-load components including transmission systems, tractor motors, and automotive applications. Common uses include:
High-load shafts and connecting rod structures
Surface-hardened wear-resistant components and gears
Engine camshafts and connecting rods
Carburized gears, pinions, shafts, bearings, and crankshafts
Oil drilling equipment and mining components
Heat Treatment Processes
Forging
Careful preheating required
Forging temperature: 1150-1200°C
Maintain temperature above 850°C during forging
Hardening & Tempering
Heat uniformly to 850°C
Quench in oil
Temper at 550°C for minimum 2 hours
Cool in furnace
Annealing
Heat thoroughly to 800-850°C
Slow cool to 550°C
Complete annealing in air
Normalizing
Heat to 850°C
Cool to room temperature in air
Available Conditions
Our steel materials are available in various conditions including pre-hardened, hot rolled, annealed, quenched and tempered, with surface conditions ranging from black, pre-machined, grinding, to polished finishes.
Why Choose Our Steel Products
Quality Assurance
Materials sourced exclusively from government-owned steel mills with ISO 9001 certified quality management system.
Timely Delivery
Speedy processing and delivery for both raw materials and finished products with machining or heat treatment.
Comprehensive Service
We provide value-added services including metal cutting, sizing, machining (blanking, milling, grinding), heat treatment, and sawing for any quantity.
Flexible Ordering
Orders of any size and length accepted with fast shipping and unique inventory of specialty steel products.
Product Images
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...
