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JIANGSU MITTEL STEEL INDUSTRIAL LIMITED

  • China,Wuxi ,Jiangsu
  • Verified Supplier
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China 30CrMnSiA Alloy Steel Round Bar GB 3077 Forged Bright OD 20-300mm Quenched
China 30CrMnSiA Alloy Steel Round Bar GB 3077 Forged Bright OD 20-300mm Quenched

  1. China 30CrMnSiA Alloy Steel Round Bar GB 3077 Forged Bright OD 20-300mm Quenched
  2. China 30CrMnSiA Alloy Steel Round Bar GB 3077 Forged Bright OD 20-300mm Quenched
  3. China 30CrMnSiA Alloy Steel Round Bar GB 3077 Forged Bright OD 20-300mm Quenched

30CrMnSiA Alloy Steel Round Bar GB 3077 Forged Bright OD 20-300mm Quenched

  1. MOQ: 500 Kilograms
  2. Price: USD 0.65-3.0 / Kilogram
  3. Get Latest Price
Type Alloy Structural Steel Round Bar
Length 1000mm - 6000mm or customized
Tensile Strength >= 1080 MPa
Technique Hot Rolled / Forged / Cold Drawn
Hardness <= 229 HBW
Grade 30CrMnSiA
Yield Strength >= 835 MPa
Surface Bright, Black, Peeled, Polished, Turned
Delivery Condition Quenched and Tempered or as required
Payment Terms T/T,L/C,Western Union
Packaging Details Bundle with steel straps or wooden case, or as per customer's requirement
Standard GB/T 3077, GJB 2150
Supply Ability 1000 Tons per Month
Delivery Time 7-15 days after order confirmation
Heat Treatment Quenched and Tempered / Normalized / Annealed
Elongation >= 10%
Application Aircraft Parts, Gears, Shafts, High Strength Bolts, Machinery
Diameter 20mm - 300mm
Certification ISO 9001:2015, SGS, BV
Model Number 30CrMnSiA
Place of Origin China
Brand Name TISCO / BAOSTEEL

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  1. Product Details
  2. Company Details

Product Specification

Type Alloy Structural Steel Round Bar Length 1000mm - 6000mm or customized
Tensile Strength >= 1080 MPa Technique Hot Rolled / Forged / Cold Drawn
Hardness <= 229 HBW Grade 30CrMnSiA
Yield Strength >= 835 MPa Surface Bright, Black, Peeled, Polished, Turned
Delivery Condition Quenched and Tempered or as required Payment Terms T/T,L/C,Western Union
Packaging Details Bundle with steel straps or wooden case, or as per customer's requirement Standard GB/T 3077, GJB 2150
Supply Ability 1000 Tons per Month Delivery Time 7-15 days after order confirmation
Heat Treatment Quenched and Tempered / Normalized / Annealed Elongation >= 10%
Application Aircraft Parts, Gears, Shafts, High Strength Bolts, Machinery Diameter 20mm - 300mm
Certification ISO 9001:2015, SGS, BV Model Number 30CrMnSiA
Place of Origin China Brand Name TISCO / BAOSTEEL
High Light 30CrMnSiA Alloy Steel Round Bar ,GB 3077 Forged Alloy Bar ,Quenched Tempered High Strength Steel

30CrMnSiA Alloy Steel Round Bar

GB 3077 · GJB 2150 · High Strength · Forged / Bright Finish

Product Overview

30CrMnSiA is a chromium-manganese-silicon high-strength alloy structural steel complying with GB/T 3077. After quenching and tempering it provides high strength, good toughness and excellent hardenability, making it a widely used material for demanding aerospace, machinery and structural applications. Available as forged, hot rolled or bright finished round bar with full traceability.

Key Selling Points

  • High Strength — tensile strength up to 1080 MPa after quenching and tempering.
  • Good Hardening Ability — suitable for high-load structural components.
  • Excellent Toughness — reliable performance under dynamic and impact loads.
  • Precise Dimension Control — forged or bright finish with tight tolerance.
  • Full Traceability — mill test certificate and third-party inspection (SGS / BV) available.

Specifications

Grade 30CrMnSiA
Standard GB/T 3077, GJB 2150
Diameter 20mm - 300mm
Length 1000mm - 6000mm or customized
Surface Bright, Black, Peeled, Polished, Turned
Tensile Strength ≥ 1080 MPa
Yield Strength ≥ 835 MPa
Heat Treatment Quenched and Tempered / Normalized / Annealed

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Applications

30CrMnSiA round bar is widely used for aircraft and aerospace structural parts, high-strength bolts and nuts, gears, shafts, connecting rods, welding structures and general machinery components where high strength combined with good toughness is required.

Why Choose Us

  • Stable stock and fast delivery for both standard and customized sizes.
  • Strict quality control with mill test certificate and third-party inspection.
  • Competitive factory-direct pricing and professional export packaging.

Request a Quote or Free Sample

Send us your required diameter, length and quantity — our team will reply within 24 hours.

Company Details

Bronze Gleitlager

,

Bronze Sleeve Bushings

 and 

Graphite Plugged Bushings

 from Quality China Factory
  • Business Type:

    Manufacturer,Distributor/Wholesaler,Agent,Exporter,Seller

  • Year Established:

    1998

  • Total Annual:

    80Millen-100 Millen

  • Employee Number:

    200~500

  • Ecer Certification:

    Verified Supplier

Jiangsu Mittel Steel Industrial Limited is  located in Wuxi City,  a beautiful city near Shanghai.  Wuxi is close to  Shanghai (BAO STEEL) ,Zhangjiagang (ZPSS),Ningbo (BAO XIN),KUN SHAN (DKSS), enjoy excellent geographic location and convenient water, land and air transporta... Jiangsu Mittel Steel Industrial Limited is  located in Wuxi City,  a beautiful city near Shanghai.  Wuxi is close to  Shanghai (BAO STEEL) ,Zhangjiagang (ZPSS),Ningbo (BAO XIN),KUN SHAN (DKSS), enjoy excellent geographic location and convenient water, land and air transporta...

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Get in touch with us

  • Reach Us
  • JIANGSU MITTEL STEEL INDUSTRIAL LIMITED
  • NO.288,YOUYI ROAD ,XI SHAN DISTRICT,WUXI CITY,CHINA
  • https://www.stainlesssteel-sheetmetal.com/

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