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G51200, H51200, G51300, H51300 Chromium Alloy Carburizing & Quenched Tempered Steel Bar & Plate

G51200, H51200, G51300, H51300 Chromium Alloy Carburizing & Quenched Tempered Steel Bar & Plate photo-1
G51200, H51200, G51300, H51300 Chromium Alloy Carburizing & Quenched Tempered Steel Bar & Plate photo-2
G51200, H51200, G51300, H51300 Chromium Alloy Carburizing & Quenched Tempered Steel Bar & Plate photo-3
G51200, H51200, G51300, H51300 Chromium Alloy Carburizing & Quenched Tempered Steel Bar & Plate photo-4
G51200, H51200, G51300, H51300 Chromium Alloy Carburizing & Quenched Tempered Steel Bar & Plate photo-5

Product Spotlights

Chromium improves material hardenability and surface abrasion resistance; carburizing treatment achieves hard outer layer and tough inner core for anti-impact performance.
H-type purified hot rolled blank has few inclusions and fine grains, stable hot workability to lower cracking defects during hot forging molding.
Custom hot rolled bars, cold drawn bright bars and steel plates are available; ASTM official MTC certificates are matched for every batch of products.
Negotiable MOQ: 1 Metric Ton (Price negotiable depending on order volume and customization)
Key Specifications
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Certification:
ISO, ROHS, IBR, AISI, ASTM, GB, EN, DIN, JIS, Other
Standard:
ASTM, AISI, GB, JIS, DIN, EN, Other
Payment & Shipping
Payment Methods:
Port of Shipment:
China
Delivery Detail:
Delivery time depends on order quantity.
Certification ISO, ROHS, IBR, AISI, ASTM, GB, EN, DIN, JIS, Other
Standard ASTM, AISI, GB, JIS, DIN, EN, Other

Product Overview

We supply ASTM chromium alloy steel G51200, H51200, G51300, H51300. Products cover hot rolled plates, hot rolled bars and precision cold finished bars with stable chemical composition and uniform metallographic structure.

Grade performance features

G51200: Low-carbon chromium carburizing steel, stable processing performance for conventional small and medium carburized parts.

H51200: High-quality hot rolled substrate of 51200, consistent quality for mass production of standard forging blanks.

G51300: Medium carbon chromium steel, gains high strength and hardness after quenching & tempering for medium-stress structural parts.

H51300: High-cleanliness hot rolled raw material, meets the manufacturing standard of precision medium-load forgings.

Processing & quality control

Support cutting, cold drawing, hot forging, carburizing, quenching, tempering and precision machining. Each batch passes strict physical and chemical inspection with complete test reports for customer acceptance.

Main application fields

Automotive transmission gear assemblies, machinery pin shafts, bearing sleeves, tool clamps and ordinary engineering equipment forged parts.

Export packaging

Wrap steel products with rust-proof waterproof paper and fastened with steel strips. Precision bright bars are sealed in plywood cases to prevent scratches, deformation and corrosion in long-distance ocean transportation.


Product Tags: G51300 chromium alloy structural steel round bar , H51200 hot forging carburizing steel plate , 51 series chromium heat treatment alloy steel

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