Name: A709/S355J0W Carbon Steel Plate
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A709/S355J0W Carbon Steel Plate

ASTM A709 steel plate is in accordance with the standard specification for bridge structural steel, ASTM A709 steel plate is a carbon, high strength low alloy and quenched and tempered alloy steel mainly used in bridge construction.

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product description

A709/S355J0W Carbon Steel Plate Description

The chemical composition of A709 steel plates mainly includes carbon, silicon, manganese, phosphorus, sulfur, chromium, nickel and other elements. The carbon content is relatively high, generally between 0.22% and 0.29%. This chemical composition ratio gives A709 steel plates high strength and wear resistance. In terms of mechanical properties, A709 steel plates have very good tensile strength, yield strength, elongation and impact toughness, ensuring that the A709 steel plates have better stability and durability when bearing load and impact. A709 carbon steel plates are commonly used as structure/steel processing parts for bridges, railways, ships, vehicles, machine tools, etc..

Product Parameters

Product Name	A709/S355J0W Carbon Steel Plate
Production Process	Hot Rolling, Cold Rolling
Material Standards	AISI, ASTM, ASME, DIN, BS, EN, ISO, JIS, GOST, SAE, etc.
Width	100mm-3000mm
Length	1m-12m, or Customized Size
Thickness	0.1mm-400mm
Delivery Conditions	Rolling, Annealing, Quenching, Tempered or Standard
Surface Process	Ordinary, Wire Drawing, Laminated Film

Chemical Composition

A709	50W			50	36
A709	Type A	Type B	Type C	50	≤ 20 mm	20-40 mm	40-65 mm	65-100 mm
C	0.19	0.20	0.15	0.23	0.25	0.25	0.25	0.27
Mn	0.80-1.25	0.75-1.35	0.80-1.35	1.35	-	0.80-1.20	0.80-1.20	0.80-1.20
P.max	0.04	0.04	0.04	0.04	0.04	0.04	0.04	0.04
S.max	0.05	0.05	0.05	0.05	0.05	0.05	0.05	0.05
Si.max	0.30-0.65	0.30-0.65	0.15-0.40	-	0.40	0.40	0.15-0.40	0.15-0.40
With.min	0.25-0.40	0.20-0.40	0.20-0.50	-	0.20	0.20	0.20	0.20
Ni.max	0.40	0.50	0.25-0.50	-	-	-	-	-
Cr	0.40-0.65	0.40-0.70	0.30-0.50	-	-	-	-	-
V	0.02-0.10	0.01-0.10	0.01-0.10	-	-	-	-	-

Mechanical Properties

A709	Thickness mm	Yield Strength min	Tensile Strength min	Elongation %
A709	Thickness mm	Yield Strength min	Tensile Strength min	200 mm	50 mm
36	≤ 100	250	400-550	20	23
50	≤ 100	345	450	18	21
50S	-	345-450	450	-	-
50W, HPS50W	≤ 100	345	485	18	21
HPS70W	≤ 100	485	585-760	-	19
100, 100W, HPS100W	≤ 65	690	760-895	-	18
100, 100W	65-100	620	690-895	-	16

Physical Performance

Physical Performance	Metric	Imperial
Density	7.80 g/cc	0.282 lb/in³

Scope of Application

ASTM A709 Gr.36/Gr.50/Gr.50W applies to steel structure/steel processing parts for bridges, railways, ships, vehicles, machine tools, etc. ASTM A709 Gr.36/Gr.50/Gr.50W steel includes carbon steel and high-strength low-alloy steel structural sections, plates and bars, and quenched and tempered alloy steel for structural plates.

Equivalent Material

European Standard	American Standard	Japanese Standard	France	United Kingdom
S355 J0W	A242 Gr.1 / A588	SM A50AW	E36 WB3	WR 50B
European Standard Old	India	Russia	International	National Standard
Fe510 C2KI	Fe510 C2K1	17 G1S	Fe 355W	350 AAT

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FAQ

Q1: Are you a manufacturer or a trading company?
A: We are a professional metal products manufacturer based in Shandong, China, with our own production facilities and a strong supply chain. We specialize in carbon steel and stainless steel products, with over 100,000 tons of stock available year-round.

Q2: Where is your company located? Can I visit your factory?
A: Our company is located in Shandong, China. We welcome customers and partners from all over the world to visit our facilities. Please contact us in advance to arrange a visit.

Q3: What products does your company mainly supply?
A: We mainly supply carbon steel and stainless steel products in various forms, including plates, pipes, coils, bars, structural steel (H-beam, channel steel, angle steel), and customized metal components. We cover a full range of specifications to meet diverse customer needs.

Q4: Do you support OEM or customized orders?
A: Yes. We have years of experience in product customization. We can produce according to your drawings, samples, or specific technical requirements. Please contact us with your customization needs.

Q5: What material grades do you offer?
A: For carbon steel, we offer grades such as A36, S235JR, Q235, Q345, and more. For stainless steel, we offer 304, 304L, 316, 316L, 201, 430, and other common grades. Custom grades are available upon request.

Q6: How do you guarantee product quality?
A: Our factory operates under strict QA/QC standards. Every product is inspected during production and before shipment to ensure it meets agreed quality specifications. We can provide mill test certificates and accept thirdparty inspections upon request.