13 visiting now: 13 USA USA flag

Highlighted Companies



Sea 4140 Tube - China

price: 10.00 Dollar US$

AISI SAE UNS No. C Mn (max) P (max) S (max) Si Cr Mo Hardness Tensile Strength Yield Strength
4140 Steel Plate
Flat Steel Bar G41400 0.38 - 0.43 0.75 - 1.0 0.035 0.04 0.15 - 0.30 0.8 - 1.1 0.15 - .25 Bhn 195+
RC 22+ 98ksi + 58ksi +
4140 PH or 4140 PREHARD has the same industry standard chemistry as above. 4140 Steel Bar 4140 HR Plate
Oil Quenched & Tempered 4140 PH has a standard, industry recognized Rockwell C Hardness rating of 28 - 32.

Most sources recognize and tend to prefer quoting and requesting the Rockwell C Scale. 4140PH ranges from Brinell Hardness 270 - 300.
Thick 4140 AN (in the Annealed condition) is flame cut, then Annealed onsite in our furnace. Annealing greatly improves Grinding and Machining. Parts can be returned to the standard hardness when followed by a Normalize & Specific Tempering heat treatment process.


Company Contact:


  • Phone: 13582476040

  • Address: YIHE BUILDING, CANGZHOU, HEBEI, China

  • Email: Email


Published date: May 17, 2016 -

  • Business Description: We have a 33 years factory and professional industrial zone .
    We focus on pipeline system supply chain.We mainly producing seamless steel pipe and pipe fitting,flange in China.
    Others,SQE controls signing agent factory, all products can visit at any time, can be arbitrary detection, unified global shipping mark . 7x24 hours service. We invite traders around the world join the group , can invest customers, common development .
    We have 6 advantages: Quote time/Price/Professional/Delivery time/Packaging/Service.
    Sure, i like you calling me and e-mail to me .
    Looking forward your early reply

Related listings



  • Api Spec 5l 5ct Specification Standard For Steel Pipe
    Api Spec 5l 5ct Specification Standard For Steel Pipe
    Pipe piping and pipe fittings - Threeway Steel Co.,Ltd - China - January 15, 2018 - 550.00 Dollar US$

    There are innumerable categories of standards for each kind of steel pipes. Like the seamless steel pipe, made by hollow cross-section. And all of them would be used to transport fluid, such as the transportation of oil, natural gas, gas, water and s...

  • Pipe Fittings Hex Cap Plug
    Pipe Fittings Hex Cap Plug
    Pipe piping and pipe fittings - SK-LOK - China - January 10, 2018 - 1.00 Dollar US$

    Stainless Steel 316/316L OD 1/16" to 1", 3mm to 25mm 6000 Psi * Hex Pipe Cap * Hex Pipe Plug Company Profile: Established in the year of 1996, SK-Lok is a specialized manufacturer of Instrumentation Fittings, Valves and Accessories for use in various...

  • Pipe Fittings Female Cross
    Pipe Fittings Female Cross
    Pipe piping and pipe fittings - SK-LOK - China - January 10, 2018 - 1.00 Dollar US$

    Stainless Steel 316/316L OD 1/16" to 1", 3mm to 25mm 6000 Psi Female Cross * Pipe Fittings Female Cross Company Profile: Established in the year of 1996, SK-Lok is a specialized manufacturer of Instrumentation Fittings, Valves and Accessories for use...



Safe Trade Tips

  • Ask for business references and check them
  • Use a payment method that offers better protection for all such as Letters of credit and verified professional escrow services. Avoid payments in advance such as money transfers
  • Verify their business via their local Chamber of Commerce
  • Search the internet using their website address, their business name, their phone and fax numbers, and their email addresses to see if you can find any feedback about them.
  • Get to know more about scams to avoid: Internet Crime Complaint Center - International Financial Scams
  • This site is never involved in any transaction, and does not handle payments, shipping, guarantee transactions, provide escrow services, or offer "buyer protection" or "seller certification"