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Hot Rolled Annealed 228HB Surface Peeled Alloy Steel Round Bar ASTM A322 SAE4340

China Hot Rolled Annealed 228HB Surface Peeled Alloy Steel Round Bar ASTM A322 SAE4340

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Hot Rolled Annealed 228HB Surface Peeled Alloy Steel Round Bar ASTM A322 SAE4340

MOQ： 1 Ton
Price： US $1,030-1,450 / T
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Diameter Range	6-630mm
Surface Treatment	Polished
Alloy Type	Alloy
Round Bar Diameter	16-600mm
Round Bar Length	3000-6000mm
Plate Thickness	16-200mm
Plate Width	200-800mm
Plate Length	3000-6000mm
Carbon Content	0.37-0.44%
Silicon Content	0.17-0.37%
Manganese Content	0.50-0.80%
Chromium Content	0.60-0.90%
Nickel Content	1.25-1.65%
Molybdenum Content	0.15-0.25%
Production Capacity	500tons

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Product Details
Company Details

Product Specification


Diameter Range	6-630mm	Surface Treatment	Polished
Alloy Type	Alloy	Round Bar Diameter	16-600mm
Round Bar Length	3000-6000mm	Plate Thickness	16-200mm
Plate Width	200-800mm	Plate Length	3000-6000mm
Carbon Content	0.37-0.44%	Silicon Content	0.17-0.37%
Manganese Content	0.50-0.80%	Chromium Content	0.60-0.90%
Nickel Content	1.25-1.65%	Molybdenum Content	0.15-0.25%
Production Capacity	500tons
High Light	Hot Rolled Alloy Steel Round Bar ，Annealed 228HB 4340 Steel Round Bar ，Surface Peeled 40CrNiMoA Steel Round Bar

ASTM A322 SAE4340 Hot Rolled Round Bar

Annealed 228HB Surface Peeled with H11 Tolerances

Hot Rolled / Forged Alloy Steel Rod for Tools

High-quality 1.6582 4340 40CrNiMoA 34CrNiMo6 alloy steel rods designed for demanding industrial applications.

International Grade Equivalents

GB	AISI	DIN	JIS	EN	TOCT	ISO
40CrNiMoA	4340	1.6582	SNCM439	41NiCrMo 7-3-2	40XH2MA (40XHMA)	36CrNiMo4

Product Specifications

Product Type	Diameter/Thickness (mm)	Width (mm)	Length (mm)
Round Bar	16-600	/	3000-6000
Plate	16-200	200-800	3000-6000

Custom specifications available upon request

Chemical Composition

Element	40CrNiMo	4340
C	0.37-0.44%	0.38-0.43%
Si	0.17-0.37%	0.15-0.35%
Mn	0.50-0.80%	0.60-0.80%
P	≤0.025%	≤0.035%
S	≤0.025%	≤0.040%
Cr	0.60-0.90%	0.70-0.90%
Ni	1.25-1.65%	1.65-2.00%
Mo	0.15-0.25%	0.20-0.30%

Key Features

Chromium molybdenum alloy steel construction
High strength and exceptional toughness
Excellent hardenability stability and anti-overheating properties
Superior high tensile strength with outstanding shock resistance

Typical Applications

Heavy machinery and high-load shaft components
Rotor shafts and turbine blades
Critical parts requiring special performance after nitriding treatment

Packaging Information

20ft Container: Gross Weight 27T (5.80m × 2.13m × 2.18m)
40ft Container: Gross Weight 27T (11.8m × 2.13m × 2.18m)

Delivery Timeline

Standard Products: 15-20 days (abundant stock available)
Customized Products: 30-50 days

Full equipment capability including sawing, grinding, and polishing machines to meet custom specifications.

Additional Product Range

DIN	AISI	JIS	GB (China)	Flat Bar Size (mm)	Round Bar Size (mm)	Technics
1.121	SAE1050	S50C	50#	10-450×155-2200×2000-12000	-	Forged, Hot Rolled
1.2311	P20	PDS-3	3Cr2Mo	10-460×155-2200×2000-10000	20-200×2000-6000	Various
1.2738	P20+Ni	-	3Cr2NiMnMo	21-300×155-2200×2000-8000	20-200×2000-6000	Various
1.2379	D2	SKD10	SKD10	10-200×155-810×2000-6000	14-80×3000-6000	Various
1.2080	D3	SKD1	3Cr2Mo	10-200×155-810×2000-6000	20-200×3000-6000	Various
1.2083	420	-	4Cr13	10-500×155-1200×2000-6000	12-300×3000-6000	Various
1.2344	H13	SKD61	4Cr5MoSiV1	10-500×155-1600×2000-6000	16-400×3000-6000	Various
1.2510	O1	SKS3	9CrWMn	10-200×155-810×2000-6000	20-200×3000-6000	Various
1.7225	SAE4140	SCM440	42CrMo	10-280×155-2200×2000-6000	16-450×3000-6000	Various

About Changfeng Tool & Die Steel

Professional special steel company specializing in tool and die steel since 2005. Our comprehensive product range includes Plastic Mould Steel, Hot Work Mould Steel, Cold Work Mould Steel, Alloy Structural Steel, Tool Steel, Stainless Steel, Carbon Steel, and Forged Blocks.

We maintain close partnerships with China's premier special steel manufacturers including Baosteel Group, Dongbei Special Steel, Changcheng Special Steel, Hongsheng Heavy Industry, Xingcheng Special Steel, and Daye Special Steel to ensure consistent high-quality products.

Company Details

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Manufacturer,Distributor/Wholesaler,Exporter 
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Total Annual:

>1000000
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Employee Number:

>100 
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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...

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JIANGSU MITTEL STEEL INDUSTRIAL LIMITED
No.283-1, Youyi Middle Road, Xishan District, Wuxi City, Jiangsu Province
https://www.stainless-strips.com/

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