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{"title":"ASTM A29\/A29m Hot Rolled Alloy Steel Round Bars SAE4340 10-350mm","imgUrl":"https:\/\/img.chinax.com\/nimg\/bb\/a1\/eb9afbd48509c13f9c6fa7b71d79-200x200-1\/astm_a29_2fa29m_hot_rolled_alloy_steel_round_bars_sae4340_10_350mm.jpg","attrs":{"Brand Name":"DELTA","Model Number":"SAE4340","Certification":"ISO","Place of Origin":"China"}}
{"title":"25Cr2MoVA Alloy Steel Round Bar Diameter 10 - 300mm Custom Cutting in Length","imgUrl":"https:\/\/img.chinax.com\/nimg\/b7\/8f\/c374af89362ac900e00ce51f86b6-200x200-1\/25cr2mova_alloy_steel_round_bar_diameter_10_300mm_custom_cutting_in_length.jpg","attrs":{"Brand Name":"DELTA","Model Number":"DIN 1.8159 (25CrMoV6-4) \/ 25Cr2MoVA","Certification":"ISO","Place of Origin":"China"}}
{"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"}}
{"title":"EN 1.8507 (34CrAlMo5-10) Nitriding Steel Round Bar Diameter 10 - 300mm Custom","imgUrl":"https:\/\/img.chinax.com\/nimg\/25\/c9\/4f41b121bc96fda3bc795edf2de2-200x200-1\/en_1_8507_2834cralmo5_10_29_nitriding_steel_round_bar_diameter_10_300mm_custom_cutting.jpg","attrs":{"Brand Name":"DELTA","Model Number":"34CrAlMo5-10 \/ 1.8507","Certification":"ISO","Place of Origin":"China"}}
High-quality alloy steel round bars manufactured to ASTM, JIS, GB, EN, and DIN standards for superior engineering applications.
Product Specifications
Products
Alloy Steel Round Bar
Diameter
13 - 300mm
Length
6m or custom cutting as requested
Grade
Alloy Steel
Our Service
Cutting, polishing, packing, heat treatment
Brand
BAOSTEEL, XINGCHENG, DSS, CHONGQING, XNSS, HLXT, etc.
Standard
GB, ASTM, JIS, EN, DIN
Company Type
Storage company and process service
34CrNiMo6 / 1.6582 Steel Overview
34CrNiMo6 / 1.6582 steel is a heat-treatable, low alloy steel designed for a wide range of engineering applications. This material delivers excellent mechanical properties with typical tensile strength of 1000-1200 N/mm², combined with superior ductility and shock resistance. Its exceptional hardenability allows for medium tensile strengths in large sections, while providing excellent wear resistance and impact properties at low temperatures.
The material offers excellent machinability, enabling components to be put into service without additional treatment costs. It can be supplied in annealed condition for enhanced machinability or in hardened and tempered condition with hardness of 28-34HRC.
Standards and Equivalents
Standard
Grade
Equivalent
BS EN 10083-3:2006
34CrNiMo6 / 1.6582
ASTM A29:2004 - 4337
BS EN 10250-3:2000
34CrNiMo6 / 1.6582
-
Chemical Composition
BS EN 10083-3:2006 | 34CrNiMo6 / 1.6582
C
Mn
Si
P
S
Cr
Mo
Ni
0.30-0.38
0.5-0.8
0.40 max
0.025 max
0.035 max
1.3-1.7
0.15-0.30
1.3-1.7
BS EN 10250-3:2000
C
Mn
Si
P
S
Cr
Mo
Ni
0.30-0.38
0.5-0.8
0.40 max
0.035 max
0.035 max
1.3-1.7
0.15-0.30
1.3-1.7
ASTM A29:2004 | 4337
C
Mn
Si
P
S
Cr
Mo
Ni
0.30-0.40
0.6-0.8
0.20-0.35
0.035 max
0.040 max
0.70-0.90
0.20-0.30
1.65-2.00
Mechanical Properties
Properties
< 16mm
>16 - 40mm
>40 - 100mm
>100 - 160mm
>160 - 250mm
Yield strength Re [N/mm²]
min. 1000
min. 900
min. 800
min. 700
min. 600
Tensile strength Rm [N/mm²]
1200 - 1400
1100 - 1300
1000 - 1200
900 - 1100
800 - 950
Elongation A [%]
min. 9
min. 10
min. 11
min. 12
min. 13
Reduction of area Z [%]
min. 40
min. 45
min. 50
min. 55
min. 55
Toughness CVN [J]
min. 35
min. 45
min. 45
min. 45
min. 45
Heat Treatment Process
Quenched and Tempered (Q+T) of 34CrNiMo6 Steel
Heat 34CrNiMo6 round steel slowly to 850°C
Soak at hardening temperature and quench in oil
Temper immediately after reaching room temperature
Heat uniformly to suitable tempering temperature
Withdraw from furnace and cool in air
Standard tempering temperature: 600°C (adjustable per requirements)
Additional Processing Information
Forging: Hot forming temperature: 1100-900°C
Machinability: Optimal machining achieved in annealed or normalized and tempered condition. Compatible with all conventional machining methods.
Welding: Suitable for fusion or resistance welding. Requires preheat and post-heat procedures following established welding methods.
Applications
EN DIN 34CrNiMo6 steel is ideal for tools requiring excellent plasticity and high strength. Commonly used for large-scale critical components including:
Heavy machinery axles
Turbine shafts and blades
High-load transmission parts
Fasteners and crank shafts
Gears and heavily loaded motor construction parts
Company Capabilities
We specialize in comprehensive steel solutions with extensive inventory and processing capabilities. Our monthly sales volume ranges from 40,000-60,000 tons of various steel grades.
4+ dedicated warehouses for stock management
30+ product grades maintained in stock
800+ sizes available for quick delivery
Specialized processing warehouse for cutting, polishing, and heat treatment
Global sales network serving machinery, automotive, forging, and hardware industries
Available Steel Grades
We manufacture and supply a comprehensive range of popular steel grades including EN series, C-series, S-series, ASTM standards, DIN specifications, and GOST standards to meet diverse industrial requirements.
Products Show
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...