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 ASTM 4140 Steel Annealing 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. AISI 4140 Steel Hardening & Quenching 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 Of ASTM 4140 Alloy Steel / ℃ tempering temperature: 205 ~ 649°C. After tempering hardness HRC: 18-25 HRC. Application of ASTM / AISI 4140 Alloy Steel 4140 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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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.

JIANGSU LIANZHONG METAL PRODUCTS (GROUP) CO., LTD

We focus on high quality stainless steel material supply and processing. Including TISCO, Baosteel, LISCO, POSCO, Wuyang mill, Shougang mill, Angang mill etc.

In Stainless steel, Our main products are stainless steel sheet/coil by ASTM, AISI, JIS, EN, GB，NFA standard, main material are 200series, 300series, 400series, 500series, 600series etc.Aluminum sheet with material of 1050, 1060, 1070, 1100/H112 H24 O; 2014 2024 2017/H112, T4, T351, T6; 3003 3004/H112 H24 O; 5083, 5754, 5052, 5005, 5086, 5182 / H32, H112, H111, H24, O; 6061, 6063, 6082 / H112, T6, T651, T5, T4, O; 7075 / T6 T651 H112 etc;

Corten plate ASTM standard Grade A, Grade B, A588 grade A, B, C; EN10155 standard S355J2WP, S355JOWP; 09CuPCrNiA, B480GNQR, SPA-H etc

Our company ran after a long-term hard working, and accumulating a lot of practical experience, technical experience and talent reserves, adhering to the tend of "survival by quality, build brand by reputation, win market by prices and innovate to develop.As an iron and steel enterprise with many years of produce experience and international trade background, our products have exported to Singapore, Indonesia, South Korea, Dubai, Pakistan, Sri Lanka, Vietnam, Iran, Malaysia, Mexico, Chile, Brazil, Holland, Italy, Belgium, , Moldova, Paraguay, Uruguay, Germany, Spain, USA etc.  Also we hope we will have chance to cooperate with your esteemed company!