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25Cr2MoVA Alloy Steel Round Bar Diameter 10 - 300mm Custom Cutting in Length
25Cr2MoVA Alloy Steel Round Bar Diameter 10 - 300mm Custom Cutting in Length
25Cr2MoVA Alloy Steel Round Bar Diameter 10 - 300mm Custom Cutting in Length
25Cr2MoVA Alloy Steel Round Bar Diameter 10 - 300mm Custom Cutting in Length
25Cr2MoVA Alloy Steel Round Bar Diameter 10 - 300mm Custom Cutting in Length
25Cr2MoVA Alloy Steel Round Bar Diameter 10 - 300mm Custom Cutting in Length
25Cr2MoVA Alloy Steel Round Bar Diameter 10 - 300mm Custom Cutting in Length
25Cr2MoVA Alloy Steel Round Bar Diameter 10 - 300mm Custom Cutting in Length
Specifications
Brand Name :
DELTA
Model Number :
DIN 1.8159 (25CrMoV6-4) / 25Cr2MoVA
Certification :
ISO
Place of Origin :
China
MOQ :
1 Ton
Price :
600-850 USD/Ton
Payment Terms :
L/C, T/T, Western Union
Supply Ability :
20Ton per week
Delivery Time :
5 - 12 days based on the quantity
Packaging Details :
standard packing for export
Products Name :
Alloy Steel Round Bar
Diameter :
10 - 300mm
Length :
6m
Tech :
Hot rolled
Service :
Cutting
MOQ :
1 Ton
Loading Port :
Shanghai Port
Standard :
ASTM EN GB
Description

25Cr2MoVA Alloy Steel Round Bar Diameter 10 - 300mm Custom Cutting in Length

Products Specification

Products Name

25Cr2MoVA Alloy Steel Round Bar

Diameter

10 - 300 mm

Length

6m or custom cutting any length as request

Type

Hot Rolled

Brand

BAOSTEEL DELTA DONGBEI HUAXI SHAGANG.etc

MOQ

1 Ton

Loading Port

Shanghai Port

Packing

packing by steel wire rope

Deliver time

5 - 7 days for stock materials

Other Grade

Q195,Q235,10#,20#,35#,45#,Q215,Q345,12Cr1Mov,15CrMo

,20Cr,40Cr,20CrMo,35CrMo,42CrMo,40CrNiMo,GCr15,65Mn,50Mn,

50Cr,3Cr2W8V,20CrMnTi,25Cr2MoVA,5CrMnMo ,38CrMoAl, 31CrMoV9

Standard

ASTM GB EN DIN

Application

Structure and Industrial

Standard Size of our Steel Round Bar In Stock

10mm 12mm 15mm 16mm 18mm 20mm
25mm 30mm 35mm 38mm 40mm 42mm
45mm 48mm 50mm 55mm 60mm 65mm
70mm 75mm 80mm 85mm 90mm 95mm
105mm 110mm 115mm 120mm 130mm 140mm
150mm 160mm 170mm 180mm 190mm 200mm
210mm 220mm 230mm 240mm 250mm 260mm
270mm 280mm 290mm 300mm 310mm 320mm
25Cr2MoVA Alloy Steel Round Bar – Diameter 10–300mm | Custom Cut-to-Length for High-Temperature & High-Strength Applications

Overview

25Cr2MoVA is a premium-grade, low-alloy high-strength steel renowned for its exceptional mechanical properties, outstanding heat resistance, and excellent anti-creep performance at elevated temperatures. Widely specified in critical engineering sectors such as power generation, petrochemicals, aerospace, and heavy machinery, 25Cr2MoVA alloy steel round bar offers the perfect balance of strength, toughness, and thermal stability.
Our 25Cr2MoVA round bars are manufactured to meet stringent international standards (including GB/T 3077-1999 and UNS A31253) and are available in diameters ranging from 10 mm to 300 mm, with custom cutting in length to suit your exact project requirements—minimizing waste and accelerating production timelines.
Whether you're fabricating turbine rotors, high-pressure valves, or critical fasteners operating up to 550°C, our precision-engineered 25Cr2MoVA bars deliver reliability under extreme conditions.

Key Features & Benefits

  • ✅ High tensile strength (≥930 MPa) and yield strength (≥785 MPa) after standard quenching & tempering
  • ✅ Excellent impact toughness (≥63 J at room temperature)
  • ✅ Stable mechanical properties up to 510–550°C
  • ✅ Good hardenability and uniform microstructure across large cross-sections
  • ✅ Suitable for nitriding surface treatment to enhance wear resistance
  • ✅ Supplied in quenched & tempered (Q&T), annealed, or normalized + tempered conditions
  • ✅ Custom lengths available (e.g., 1m, 2m, 3m, 6m, or project-specific dimensions)
  • ✅ Full material test reports (MTRs), EN 10204 3.1/3.2 certification upon request

Typical Applications

25Cr2MoVA’s unique combination of strength, creep resistance, and thermal stability makes it ideal for:
  • High-temperature fasteners: Bolts, nuts, and studs for steam turbines (≤550°C)
  • Turbine components: Integral rotors, sleeves, main steam stop valves
  • Valve stems and gears (especially when nitrided for surface hardness)
  • Pressure vessels and piping systems in refineries and power plants
  • Heavy-duty shafts and axles in industrial machinery

Chemical Composition (GB/T 3077-1999 Standard)

Element Content (%)
Carbon (C) 0.22 – 0.29
Silicon (Si) 0.17 – 0.37
Manganese (Mn) 0.40 – 0.70
Chromium (Cr) 1.50 – 1.80
Molybdenum (Mo) 0.25 – 0.35
Vanadium (V) 0.15 – 0.30
Phosphorus (P) ≤ 0.035
Sulfur (S) ≤ 0.035
Aluminum (Al) ≤ 0.040
Iron (Fe) Balance
The addition of Cr, Mo, and V enhances hardenability, high-temperature strength, and resistance to temper embrittlement.

Mechanical Properties (After Standard Q&T: 900°C Oil Quench + 640°C Air Cool)

Property Value (Typical)
Tensile Strength (Rm) ≥ 930 MPa
Yield Strength (Rp0.2) ≥ 785 MPa
Elongation (A5) ≥ 14%
Reduction of Area (Z) ≥ 55%
Impact Energy (Charpy V-notch) ≥ 63 J @ 20°C
Hardness (HBW, Q&T condition) 269 – 321
Hardness (HBW, Annealed) ≤ 241
Properties may vary slightly based on diameter and heat treatment cycle.

Available Specifications

We supply 25Cr2MoVA alloy steel round bars in a comprehensive range of sizes and delivery conditions:
Parameter Details
Diameter Range 10 mm – 300 mm
Standard Lengths 2m, 3m, 6m (stock)
Custom Lengths Yes – cut to your exact requirement (±1 mm tolerance available)
Surface Finish Peeled, turned, ground, or black hot-rolled
Heat Treatment As-rolled, annealed, normalized, or quenched & tempered (Q&T)
Certification Mill Test Report (MTR), EN 10204 3.1, chemical & mechanical analysis
Packaging Bundled with steel straps, waterproof wrapping, export-worthy wooden crates optional
Lead Time 7–25 days (depending on size and quantity)

Why Choose Our 25Cr2MoVA Round Bars?

  1. Premium Metallurgy: Produced via electric arc furnace (EAF) + ladle refining + vacuum degassing (VD) for ultra-low inclusion content and superior fatigue life.
  2. Dimensional Accuracy: Tight tolerances on diameter and straightness ensure seamless integration into CNC machining and forging workflows.
  3. Traceability: Full heat number traceability from ingot to finished bar.
  4. Global Compliance: Meets or exceeds Chinese (GB), European (EN), and ASTM equivalency requirements.
  5. Technical Support: Our metallurgical engineers provide guidance on heat treatment, machining parameters, and welding procedures.

Machining & Heat Treatment Guidelines

  • Machinability: Best performed in annealed or high-temperature tempered condition (HB ≤ 241). Use carbide-tipped tools and adequate coolant.
  • Heat Treatment:
    • Quenching: 880–910°C, oil quench
    • Tempering: 600–660°C, air cool (critical: rapid cooling through 550–450°C range to avoid temper brittleness)
  • Welding: Preheat to 250–300°C; use low-hydrogen electrodes (e.g., E7018-H4R); post-weld stress relief at 620–650°C recommended.

Frequently Asked Questions (FAQ)

Q: Is 25Cr2MoVA equivalent to any AISI/SAE grade?
A: It has no direct AISI equivalent but shares similarities with 4140 + V-modified grades. Its closest international counterpart is often considered 25CDV6 (French AFNOR) or custom Cr-Mo-V steels per ASTM A193 B16.
Q: Can you supply 25Cr2MoVA in forged rounds or rings?
A: Yes—we offer open-die forged bars, rings, and custom forgings up to 500mm diameter.
Q: What’s the minimum order quantity (MOQ)?
A: As low as 100 kg for standard sizes; custom diameters may require higher MOQ.
Q: Do you provide third-party inspection (e.g., SGS, BV, TÜV)?
A: Absolutely. We coordinate with all major inspection agencies worldwide.

Order Your Custom 25Cr2MoVA Round Bar Today

Engineered for performance in the most demanding environments, our 25Cr2MoVA alloy steel round bars (10–300mm diameter) combine metallurgical excellence with flexible customization. Whether you need a single precision-cut piece or bulk quantities for OEM production, we ensure consistent quality, on-time delivery, and full technical documentation.
25Cr2MoVA round bar, 25Cr2MoVA alloy steel bar, high-temperature steel bar, custom cut steel bar, DIN 1.8159 equivalent, GB/T 3077 25Cr2MoVA, quenched and tempered alloy bar, turbine bolt material, creep-resistant steel, 10–300mm steel round bar, A31253 steel bar, nitriding steel bar, power plant fastener material.
25Cr2MoVA Alloy Steel Round Bar Diameter 10 - 300mm Custom Cutting in Length25Cr2MoVA Alloy Steel Round Bar Diameter 10 - 300mm Custom Cutting in Length25Cr2MoVA Alloy Steel Round Bar Diameter 10 - 300mm Custom Cutting in Length25Cr2MoVA Alloy Steel Round Bar Diameter 10 - 300mm Custom Cutting in Length
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25Cr2MoVA Alloy Steel Round Bar Diameter 10 - 300mm Custom Cutting in Length

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Product Detail
Brand Name :
DELTA
Model Number :
DIN 1.8159 (25CrMoV6-4) / 25Cr2MoVA
Certification :
ISO
Place of Origin :
China
MOQ :
1 Ton
Price :
600-850 USD/Ton
Contact Supplier
video
25Cr2MoVA Alloy Steel Round Bar Diameter 10 - 300mm Custom Cutting in Length
25Cr2MoVA Alloy Steel Round Bar Diameter 10 - 300mm Custom Cutting in Length
25Cr2MoVA Alloy Steel Round Bar Diameter 10 - 300mm Custom Cutting in Length
25Cr2MoVA Alloy Steel Round Bar Diameter 10 - 300mm Custom Cutting in Length

JIANGSU MITTEL STEEL INDUSTRIAL LIMITED

Verified Supplier
4 Years
jiangsu, wuxi
Business Type :
Manufacturer, Distributor/Wholesaler, Exporter
Main Products :
stainless steel roofing sheet, Stainless Steel Strip, Others stainless steel sheet
Total Annual :
>1000000
Employee Number :
>100
Certification Level :
Verified Supplier
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