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ASTM A709 steel plate

ASTM A709 / A709M Standard Specification for Carbon and High-Strength Low-Alloy Structural Steel Shapes, Plates, and Bars and Quenched-and-Tempered Alloy Structural Steel Plates for Bridges Products and Services / Standards & Publications / Standards Products

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The ASTM A709 is the Standard Specification for Structural Steel for Bridges and encompasses carbon, high-strength low-alloy, and quenched and tempered alloy steels used as structural plates in the construction of bridges. the following five grades of A709; 36, 50, 50W, HPS 50W and HPS 70W. The three weather grades of 50W, HPS 50W, and HPS 70W have an ASTM G101 enhanced Atmospheric Corrosion Resistance Index of ≥6.0.

Chemical composition & Mechanical property

A709 Grade 36 Chemical composition Heat analysis

Thick mm	Structural steel	Steel Plate				Round Bar steel
Thick mm	Structural steel	≤20	20～≤40	40～≤65	65～≤100	≤20	20～≤40	40～≤100
C,max，%	0.25	0.25	0.25	0.25	0.27	0.26	0.27	0.28
Mn,%	…	…	0.80-1.20	0.80-1.20	0.80-1.20	…	0.60-0.90	0.60-0.90
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	0.40max	0.40max	0.40max	0.15-0.40	0.15-0.40	0.40max	0.40max	0.40max
Cu,min,%	0.20	0.20	0.20	0.20	0.20	0.20	0.20	0.20

A 709 Gr. 36 mechanical property

A709 Grade	Thick mm	Yield [MPa]	Tensile [MPa]	Elongtation Min %				reduction Min %	HB
				Steel Plate		Structural steel
				8in[200mm]	2in[50mm]	8in[200mm]	2in[50mm]
36[250]	≤100	[250]min	400-550	20	23	20	21	…	…
36[250]		[250]min	400min	…	…	20	19	…	…
50[345]	≤100	345min	450min	18	21	18	21F	…	…
50S[345S]	G	345-450HI	450minH	…	…	18	21	…	…
50W[345W] HPS50W[HPS345W]	≤100	345min	485min	18	21	18	21J	…	…
HPS70W[HPS485W]	≤100	485min	585-760	…	19K	…	…	…	…
100 [690], 100W [690W],HPS100W [HPS690W]	≤65	690minB	760-895	…	18K	…	…	L	235-293M
100 [690], 100W [690W],	65-100	620minB	690-895	…	16K	…	…	L	…

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TIANYI Steel (Shandong) Co., Ltd. is located in the beautiful Shandong Province. With the continuous development of business, the company's business scope continues to expand. The company has a group of professional sales staff to provide customers with high-quality services. The company is committed to providing customers with high-quality, low-cost steel products. We have won the trust and praise of our customers with our commitment and quality-oriented service concept.

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Our main products include: carbon steel plate, carbon steel pipe, color-coated sheet/coil, galvanized sheet/sheet tube/coil/corrugated sheet/plate steel (I-beam channel steel H-beam), long product, galvanized pipe, Welded pipe, gas pipe, spiral pipe, plate, thread, wire, automobile flat steel, etc. The stock of each specification is sufficient. And it is an excellent distributor of Chinese state-owned enterprises: Baosteel, Baotou Steel, Anshan Iron and Steel, Baotou Iron and Steel, and other national iron and steel enterprises.

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Our advantage is to integrate market information, quickly find the products you need, provide high-quality price concessions, one-stop service, and provide you with products accurately and quickly. We always adhere to the tenet of "quality first, customer first, high-quality service, honesty and trustworthiness". With high-quality products, good reputation and high-quality service. We are committed to win-win cooperation with domestic and foreign merchants. We look forward to common development and create brilliance together. Feel free to contact our team to experience supreme service and quality products. Looking forward to working with us.

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Q1:Can you send samples?

A:Of course, we can provide customers with free samples and express shipping service to all over of the world.

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A:Please kindly provide the grade, width, thickness, surface treatment requirement should you have and quantities you need to purchase.

Q3:It's my first time to import steel products, can you help me with it?

A:Sure,we have agent to arrange the shipment, we will do it together with you.

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Q9:How long does your delivery time take?

A:In general, our delivery time is within 7-15 days, and may be longer if the quantity is extremely large or special circumstances occur.

Q10: How many countries you already exported to?

A:We have exported to America, Canada, Brazil, Chile, Colombia, Russia, Ukraine, Thailand, Myanmar, Vietnam, India, Kenya, Ghana,somalia and other African countries.Our export experience is rich, we familiar with different market demands, can help customers avoid a lot of trouble.

Carbon Steel