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{"title":"25Cr2Mo1VA Alloy Steel Round Bar with Polished Surface and OD 6-630mm for High","imgUrl":"https:\/\/img.chinax.com\/nimg\/1e\/46\/98c265d578d7be031ee1b443b611-200x200-1\/25cr2mo1va_alloy_steel_round_bar_with_polished_surface_and_od_6_630mm_for_high.jpg","attrs":{"Minimum Order Quantity":"1 Ton","Price":"US $850-1,550 \/ Ton","Diameter Range":"6-630mm","Carbon Content":"0.22-0.29"}}
{"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"}}
25Cr2Mo1VA is a high-quality alloy structural steel round bar offering exceptional heat resistance, strength, and toughness for demanding industrial applications.
Chemical Composition
Element
Content Range (%)
Carbon (C)
0.22-0.29
Silicon (Si)
0.17-0.37
Manganese (Mn)
0.50-0.80
Molybdenum (Mo)
0.90-1.10
Chromium (Cr)
2.10-2.50
Vanadium (V)
0.30-0.50
Phosphorus (P)
≤0.035
Sulfur (S)
≤0.035
Copper (Cu)
≤0.30
Nickel (Ni)
≤0.30
Mechanical Properties
Property
Value
Tensile Strength (MPa)
930
Yield Point (MPa)
780
Elongation (%)
14
Section Shrinkage (%)
55
Impact Energy (J)
63
Hardness
241
Material Characteristics
Heat-resistant carbon steel with high strength and toughness
Excellent high temperature performance up to 500°C
No hot brittle tendency with good hardenability
Moderate machinability and cold plastic deformation capability
Generally used in quenched state, also suitable for normalizing and tempering
Typical Applications
Nuts, bolts, studs, and fasteners for high-temperature service
Turbine rotors, sleeves, and main steam valves up to 510°C
Control valve stems and gears under high-temperature conditions
Transmission systems for tractors and automotive applications
Carburized gears, pinions, shafts, bearings, and piston rings
Crankshafts and ring gears for heavy-duty applications
Available Sizes
Round Bar Diameter: 12-380mm
Available in various conditions: pre-hardened, hot rolled, annealed, quenched and tempered
Surface conditions: black, pre-machined, grinding, and polish
Product Images
Quality Assurance
Premium Materials
Sourced directly from government-owned steel mills ensuring consistent quality and reliability.
ISO 9001 Certified
Quality management system certified with regular audits and continuous improvement processes.
Fast Delivery
Priority processing for all orders with shortest possible lead times for raw and finished materials.
Value-Added Services
Metal cutting, sizing, machining, heat treatment, and sawing services available.
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...
