AISI 434 439 440 Stainless Steel Pipe
440A has good corrosion resistance, and is used in less expensive bearings and in harder surgical tools (rare). It has 0.6 to 0.75 percent carbon, about the same carbon content as most steel springs. Its advantage is that is cheaper than 440B and slightly more corrosion resistant.
Send E-mail:info@gneestainless.com
Tel:+8615824687445
Description
Gnee Steel (Tianjin) Co., Ltd. is one of the most professional manufacturers and suppliers of aisi 434 439 440 stainless steel pipe in China. With abundant experience, we warmly welcome you to wholesale customized aisi 434 439 440 stainless steel pipe from our factory. For price consultation, contact us.
Grade 440C stainless steels are high carbon steels, which attain the highest hardness, wear resistance and strength of all stainless steel grades after heat treatment. These properties make this grade suitable for applications such as valve components and ball bearings. Grade 440A and 440B stainless steels, on the other hand, have similar properties – except for a slightly lower percentage of carbon in grade 440A.
These grades have a corrosion resistance lower than that of other austenitic grades. The applications of martensitic steels are limited by the loss of strength caused by over-tempering at high temperatures, and loss of ductility at temperatures below zero.
Product Description:
| Factory Price 20inch 30inch AISI 304 316L 321 430 Stainless Steel Tube Pipe | ||||
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Food Grade Sanitary Tube: JIS G3447, KS D 3585, ASTM A270, EN 10357(DIN 11850), AS 1528.1, ISO 2037(NF A49-249) |
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Heat exchanger tube: ASTM A249 / ASME SA249, GB / T 24593-2009, HG 20537.2 |
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Industrial pipe: ASTM A312, EN 10217-7, GB / T 12771-2008, HG 20537.3 |
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Drinking water tube: GB / T 19228 |
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Mechanical tube: ASTM A554, EN 10296-2 |
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Production Size |
Outer Diameter Range: 9.5~2000mm |
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Shape sections of tube |
Round, square, rectangular |
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Usage of tube |
Sanitary tubing: for food processing industry, beverage industry, sugar mill and so on; |
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FAQ:
1.Q: Are you a factory or trading company?
A: We are professional manufacturer, and our company also is a very professional a trade company for steel products.We can provide a wide range of steel products.
2.Q:What do your factory do regarding quality control?
A: We have obtained ISO, CE and other certifications. From materials to products, we check every process to maintain good quality.
3.Q: Can I get samples before order ?
A: Yes, of course. Usually our samples are free. we can produce by your samples or technical drawings.
4.Q:How do you make our business long-term and good relationship?
A:We keep good quality and competitive price to ensure our customers benefit ; We respect every customer as our friend and we sincerely do business and make friends with them. No matter where they come from.
5.Q:what is your delivery time ?
A: Our delivery time is about one week, timing according to the number of customers.
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