China Alloy Steel Plate Suppliers - Low Price Alloy Steel Plate Free Sample

Your Professional Alloy Steel Plate Supplier

Sky Steel Structure Co., Ltd. is a large modern steel joint venture integrating sintering, ironmaking, steelmaking, continuous casting, steel rolling, metal product production, and other processes.
Our company mainly deals in high-quality and competitively priced steel wire, carbon steel pipes, carbon steel plates, profiles, galvanized products, iron wire, steel mesh, and more. We can also customize products in various sizes, materials, standards, and coatings according to customer requirements.

Production Market
Our company is a comprehensive enterprise integrating production, processing, cutting, sales and transportation. Our steel products have been exported to more than 30 countries and regions such as Europe, North America, South America, Australia and Japan.

Our Service
While the company continues to develop and grow, it has established a retail and wholesale warehouse of 10,000 square meters, with more than 20,000 tons of steel coils, steel plates, PPGI, various types of steel, special steel, stainless steel products, etc., to meet the urgent needs of various customers for different products in quality, quantity, variety and other aspects. Provide solid support for after-sales service, to achieve timely delivery.

Our Certificate
The company has successively passed ISO9001 quality management system certification, CE certification, and GOST certification, Received "Enterprise Credit Rating Certificate", "Credit Rating Certificate", "Quality Service Integrity Unit Certificate", "Integrity Supplier Level Certificate", "Service Integrity Level Certificate", "Credit Unit Certificate", "Contract Integrity Enterprise Certificate", "Integrity Complaint Free Unit Certificate", "Industry Integrity Unit Level Certificate", "Integrity Entrepreneur Certificate", "Integrity Business Demonstration Unit Certificate", "Integrity Professional Manager Certificate And many honors.

High-Performance Carbon Steel Plate
Our high-performance Carbon Steel Plate, engineered with advanced technology and strict quality control standards to meet the diverse needs of various industries. This product is not just a plate; it is a testament to innovation,...
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JIS G3106 SM490A/B Carbon Steels For Machine Structural Use
JIS G3106 is a Japanese Industrial Standard that specifies requirements for hot-rolled carbon steel plates intended primarily for welded structures. The standard covers several grades, with SM490A and SM490B being two important...
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A533 - Gr.A.I Alloy Steel Plate
A533 - Gr.A.I alloy steel plate, compliant with ASME SA533/SA533M standards, is a manganese - molybdenum alloy steel designed for pressure vessel applications. With a composition featuring controlled amounts of carbon, manganese,...
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A572 Gr.50 Alloy Steel Plate
A572 Gr.50 is a high-strength, low-alloy (HSLA) structural steel plate known for its excellent strength, weldability, and formability. It is commonly used in construction, bridges, and heavy equipment due to its enhanced mechanical...
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Q355 Galvanized Sheet
Q355 galvanized sheet is a commonly - used alloy steel product. It is a steel sheet that has been coated with a layer of zinc through either hot - dip galvanizing or cold galvanizing processes to enhance its corrosion resistance. The...
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Q460 Carbon Steel Plate
Q460 is a high-strength, low-alloy (HSLA) carbon steel plate with a minimum yield strength of 460 MPa, widely used in heavy-load structures requiring superior mechanical properties.
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16Mn Steel Plate
16Mn steel plate is a low-alloy high-strength structural steel widely used in China. It is part of the GB/T 1591-2018 standard (equivalent to the older GB/T 1591-1994 standard) and is known for its excellent mechanical properties,...
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Steel Alloy Plate
Alloy steel plates are steel plates that contain additional alloying elements (such as manganese, nickel, chromium, molybdenum, vanadium, or silicon) beyond the basic carbon and iron composition.
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Product Name	Alloy Steel Plate
Alloy or not	Alloy
Process Method	Hot roll, cold roll, cold drawn, ect.
Other processing method	Cutting, bending, punching, or as customer's request
Size	Thickness from 0.15mm-300mm, width from 50mm-3500mm, length from 1m-12m or according to customer's special request
Material grade	SMn420 SMn433 SMn438 SMn443
Standard	JIS G4053
Surface	Mild steel plain finish, hot dip galvanized, color coated, ect.
Size Tolerance	+/- 1%~3%
Yield Strength	250~600 MPa
Tensile Strength	350~800 MPa
Certificate	API,ISO,SGS,BV,etc
Capacity	5000 tons/month, for non-standard customized products please discuss with us
Delivery terms	FOB / CIF / CFR / DAP or discuss with us for other terms

Chemical Composition

Symbol of grade	C	Si	Mn	P	S	Ni	Cr	Mo	Cu
SMn420	0.17-0.23	0.15-0.35	1.2-1.5	≤0.03	≤0.03	≤0.25	≤0.35	-	≤0.3
SMn433	0.30-0.36	0.15-0.35	1.2-1.5	≤0.03	≤0.03	≤0.25	≤0.35	-	≤0.3
SMn438	0.35-0.41	0.15-0.35	1.35-1.65	≤0.03	≤0.03	≤0.25	≤0.35	-	≤0.3
SMn443	0.40-0.46	0.15-0.35	1.35-1.65	≤0.03	≤0.03	≤0.25	≤0.35	-	≤0.3

Symbol of grade	C	Si	Mn	P	S	Ni	Cr	Mo	Cu
SMnC420	0.17-0.23	0.15-0.35	1.2-1.5	≤0.03	≤0.03	≤0.25	0.35-0.70	-	≤0.3
SMnC443	0.40-0.46	0.15-0.35	1.35-1.65	≤0.03	≤0.03	≤0.25	0.35-0.70	-	≤0.3

Symbol of grade	C	Si	Mn	P	S	Ni	Cr	Mo	Cu
SCr415	0.13-0.18	0.15-0.35	0.60-0.90	≤0.03	≤0.03	≤0.25	0.90-1.2	-	≤0.3
SCr420	0.18-0.23	0.15-0.35	0.60-0.90	≤0.03	≤0.03	≤0.25	0.90-1.2	-	≤0.3
SCr430	0.28-0.33	0.15-0.35	0.60-0.90	≤0.03	≤0.03	≤0.25	0.90-1.2	-	≤0.3
SCr435	0.33-0.38	0.15-0.35	0.60-0.90	≤0.03	≤0.03	≤0.25	0.90-1.2	-	≤0.3
SCr440	0.38-0.43	0.15-0.35	0.60-0.90	≤0.03	≤0.03	≤0.25	0.90-1.2	-	≤0.3
SCr445	0.43-0.18	0.15-0.35	0.60-0.90	≤0.03	≤0.03	≤0.25	0.90-1.2	-	≤0.3

Symbol of grade	C	Si	Mn	P	S	Ni	Cr	Mo	Cu
SCM415	0.13-0.18	0.15-0.35	0.60-0.90	≤0.03	≤0.03	≤0.25	0.90-1.2	0.15-0.25	≤0.3
SCM418	0.16-0.21	0.15-0.35	0.60-0.90	≤0.03	≤0.03	≤0.25	0.90-1.2	0.15-0.25	≤0.3
SCM420	0.18-0.23	0.15-0.35	0.60-0.90	≤0.03	≤0.03	≤0.25	0.90-1.2	0.15-0.25	≤0.3
SCM421	0.17-0.23	0.15-0.35	0.70-1.00	≤0.03	≤0.03	≤0.25	0.90-1.2	0.15-0.25	≤0.3
SCM425	0.23-0.28	0.15-0.35	0.60-0.90	≤0.03	≤0.03	≤0.25	0.90-1.2	0.15-0.25	≤0.3
SCM430	0.28-0.33	0.15-0.35	0.60-0.90	≤0.03	≤0.03	≤0.25	0.90-1.2	0.15-0.25	≤0.3
SCM432	0.27-0.37	0.15-0.35	0.30-0.60	≤0.03	≤0.03	≤0.25	1.00-1.50	0.15-0.30	≤0.3
SCM435	0.33-0.38	0.15-0.35	0.60-0.90	≤0.03	≤0.03	≤0.25	0.90-1.2	0.15-0.25	≤0.3
SCM440	0.38-0.43	0.15-0.35	0.60-0.90	≤0.03	≤0.03	≤0.25	0.90-1.2	0.15-0.25	≤0.3
SCM445	0.43-0.48	0.15-0.35	0.60-0.90	≤0.03	≤0.03	≤0.25	0.90-1.2	0.15-0.25	≤0.3
SCM882	0.20-0.25	0.15-0.35	0.60-0.90	≤0.03	≤0.03	≤0.25	0.90-1.2	0.35-0.45	≤0.3

Symbol of grade	C	Si	Mn	P	S	Ni	Cr	Mo	Cu
SNC236	0.32-0.40	0.15-0.35	0.50-0.80	≤0.03	≤0.03	1.00-1.50	0.50-0.90		≤0.3
SNC415	0.12-0.18	0.15-0.35	0.35-0.65	≤0.03	≤0.03	2.00-2.50	0.20-0.50		≤0.3
SNC631	0.27-0.35	0.15-0.35	0.35-0.65	≤0.03	≤0.03	2.50-3.00	0.60-1.00		≤0.3
SNC815	0.12-0.18	0.15-0.35	0.35-0.65	≤0.03	≤0.03	3.00-3.50	0.60-1.00		≤0.3
SNC836	0.32-0.40	0.15-0.35	0.35-0.65	≤0.03	≤0.03	3.00-3.50	0.60-1.00		≤0.3

Symbol of grade	C	Si	Mn	P	S	Ni	Cr	Mo	Cu
SNCM220	0.17-0.23	0.15-0.35	0.60-0.90	≤0.03	≤0.03	0.40-0.70	0.40-0.70	0.15-0.25	≤0.3
SNCM240	0.38-0.43	0.15-0.35	0.70-1.00	≤0.03	≤0.03	0.40-0.70	0.40-0.60	0.15-0.30	≤0.3
SNCM415	0.12-0.18	0.15-0.35	0.40-0.70	≤0.03	≤0.03	1.60-2.00	0.40-0.60	0.15-0.30	≤0.3
SNCM420	0.17-0.23	0.15-0.35	0.40-0.70	≤0.03	≤0.03	1.60-2.00	0.40-0.60	0.15-0.30	≤0.3
SNCM431	0.27-0.35	0.15-0.35	0.60-0.90	≤0.03	≤0.03	1.60-2.00	0.60-1.00	0.15-0.30	≤0.3
SNCM439	0.36-0.43	0.15-0.35	0.60-0.90	≤0.03	≤0.03	1.60-2.00	0.60-1.00	0.15-0.30	≤0.3
SNCM447	0.44-0.50	0.15-0.35	0.60-0.90	≤0.03	≤0.03	1.60-2.00	0.60-1.00	0.15-0.30	≤0.3
SNCM616	0.13-0.20	0.15-0.35	0.80-1.20	≤0.03	≤0.03	2.80-3.20	1.40-1.80	0.40-0.60	≤0.3
SNCM625	0.20-0.30	0.15-0.35	0.35-0.60	≤0.03	≤0.03	3.00-3.50	1.00-1.50	0.15-0.30	≤0.3
SNCM630	0.25-0.35	0.15-0.35	0.35-0.60	≤0.03	≤0.03	2.50-3.50	2.50-3.50	0.50-0.70	≤0.3
SNCM815	0.12-0.18	0.15-0.35	0.35-0.60	≤0.03	≤0.03	4.00-4.50	0.70-1.00	0.15-0.30	≤0.3

Symbol of grade	C	Si	Mn	P	S	Ni	Cr	Mo	Cu
SACM645	0.40-0.50	0.15-0.50	≤0.60	≤0.03	≤0.03	≤0.25	1.30-1.70	0.15-0.30	≤0.3

Typical uses	Suitable for TV front shell, telephone, water dispenser, vacuum cleaner and other plastic mold and mold stand. 1. Thermoplastic injection mold, extrusion mold. 2. Thermoplastic blow mold. 3.Heavy duty mold main parts. 4.Cold structural parts. 5.Often used in the manufacture of TV shell, washing machine, refrigerator shell, bucket and so on
Thickness	As customer's requirement
Packing method	Standard Seaworthy Package and as you requirement

Certificate

FAQ

Q: What's your terms of payment?

A: 30%T/T as the upfront deposit, 70% before delivery, We will show you the photos and package before you pay the balance.

Q: What's the terms of delivery?

A: EXW, FOB, CFR, CIF

Q: What's the terms of packing?

A: Generally,we pack our goods in bundles or coils with rods or belts, we could also pack the goods as the customers' requirement.

Q: What's your delivery time?

A: For stocks, we could transport the goods to loading port within 7 work days after we received the deposit.For productionperiod, it usually takes about 15 days to 30 days after we received the deposit.

Q: Could you produce according to the samples?

A: Yes, we can customer-made by your samples or technique drawings, we can build the mold and fixtures.

Q: Could youprovide the compliment samples?

A: Yes, we could provide the free samples on condition that it is available in stocks, however,the transportation fee is borne by buyer.

Q: How could you guarantee your products quality?

A: Each piece of products is manufactured by certified workshops, inspected by us piece by piece according to national QA/QC standard. We also could issue the warranty to customer to guarantee the quality.

As one of the leading alloy steel plate suppliers in China, we warmly welcome you to buy cheap alloy steel plate for sale here from our factory. All our products are with high quality and low price. Contact us for free sample.

alloy steel plate, Steel Alloy Plate, 16Mn Steel Plate

Alloy Steel Plate

Chemical Composition

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