High Tensile ASTM 4140 Carbon Alloy Solid Round Bar Round Steel 20mm Carbon Steel Bar For Structure
High Tensile ASTM 4140 Carbon Alloy Solid Round Bar round steel 20mm carbon steel bar for structure
Description:
. Heat Treatment of SAE 4140 Alloy Steel
Slowly heat to 800～8500 ºC, keep enough time, ensure heat thoroughly. then cooling in furnace to 480 ºC, then cool in air. After annealing, the hardness 92 HBS Max.
4140 Steel is usually used at 18-22 HRc, If needs, AISI 4140 alloy steel can be hardened or Quenching by cold work. Quenching medium: oil
/ ℃ tempering temperature: 205 ~ 649°C. After tempering hardness HRC: 18-25 HRC. Application of ASTM / AISI 4140 Alloy Steel4140 alloy steel used for Structural products. As below: Oil and gas sector, like collets, connection rods, conveyor pins, stem assemblies, gears, Bearings
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Product Details:
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product name
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Seamless steel pipe Seamless steel tube
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Material
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A53 Gr.B,A36,ST52,ST35,ST42,ST45,X42,X46,X52,X60,X65 XXS.
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Wall Thickness
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SCH10,SCH20,SCH30,STD,SCH40,SCH60,SCH80,SCH100,SCH120,SCH160,XXS.
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Length
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1-6m,6.4m,12m or customer requirements
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Surface Treatment
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black paint,varnish,oil,galvanized,anti-corrosion coated
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End Treatment
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Grooved End/Threaded End With Plastic Caps
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Application
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Liquid delivery,structure pipe,construction,petroleum cracking,oil pipe,gas pipe
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Outer Diameter
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21.3-630mm
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Material Grade
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300series 200series 400series 904L,etc
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Type
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Seamless, seamless
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Delivery Time
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7-21days
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Processing Servic
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Bending, Welding, Decoiling, Punching, Cutting
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Shipping:
Quality inspection:
Application
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workshop:
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FAQ:
How about the sample if i need?
The sample will be offered for free if you need, but the freight will be covered by our customer. If we have cooperation, the freight will be covered by our company.
How about the MOQ?
Generally, the trail order will be accepted.The MOQ can be confirmed according to the different products. For example, the MOQ of PPGI will be 10MT.
How about the delivery time?
Within 15-30days after receiving the deposit or L/C at sight. Of course, the detail will be confirmed by the quantity and the different products.
How to order?
Please send us your purchase order by email. Or you can ask us to send you a proforma invoice for your order. We need to know the following information for your order.
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