Payment Terms | L/C, D/P, T/T, Western Union |
Supply Ability | 5000 Ton/Tons per Month |
Delivery Time | 7-15 working days after receiving payment |
Packaging Details | Seaworthy Standard Package |
NPS | 1/8''-24'' |
Grade | 631 Stainless steel |
Wall thickness | SCH10S,SCH40, SCH XS, SCH 60,SCH80S,SCH12020,SCH1160,SCH |
Delivery time | 15-21 Days |
Application | Valves and gears,Engine components,High strength and boat propeller shafts,Plastic moulding dies |
Section shape | Round |
Finished | Annealing Pickling, Bright Annealing |
Price term | FOB CIF CFR EXW etc. |
Brand Name | Zheheng |
Model Number | AISI 631 |
Certification | ISO9001 |
Place of Origin | Wenzhou,China |
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Product Specification
Payment Terms | L/C, D/P, T/T, Western Union | Supply Ability | 5000 Ton/Tons per Month |
Delivery Time | 7-15 working days after receiving payment | Packaging Details | Seaworthy Standard Package |
NPS | 1/8''-24'' | Grade | 631 Stainless steel |
Wall thickness | SCH10S,SCH40, SCH XS, SCH 60,SCH80S,SCH12020,SCH1160,SCH | Delivery time | 15-21 Days |
Application | Valves and gears,Engine components,High strength and boat propeller shafts,Plastic moulding dies | Section shape | Round |
Finished | Annealing Pickling, Bright Annealing | Price term | FOB CIF CFR EXW etc. |
Brand Name | Zheheng | Model Number | AISI 631 |
Certification | ISO9001 | Place of Origin | Wenzhou,China |
High Light | AISI 631 Stainless Steel Seamless Pip ,8inch SS round pipe ,Heat Resistant Stainless Steel Seamless Pipe |
Overview
631 stainless steel, also known as 17-7 PH stainless steel, is a versatile corrosion-resistant alloy with a unique chemical composition. The main components are iron, chromium and nickel, but also contain small amounts of aluminum and copper. 631 stainless steel is unique in its unique precipitation hardening ability achieved through heat treatment. This stainless steel alloy is widely used in various industries, including aerospace, automotive and medical. Its superior strength combined with good formability makes it suitable for the manufacture of complex components such as springs, washers and high-strength structural parts. In addition, its corrosion resistance and biocompatibility make it an excellent choice for surgical instruments, orthodontic devices, and implantable medical devices. With its combination of mechanical properties and resistance to environmental factors, 631 stainless steel remains a popular material in a variety of demanding applications.
Chemical composition
C | Mn | Si | P | S | Cr | Ni | Al |
0.09 | 1 | 0.5 | 0.025 | 0.025 | 16.00 – 17.25 | 6.50 – 7.75 | 0.75 – 1.25 |
Mechanical Properties
AISI 63 | |
Ultimate Tensile Strength | 1170Mpa,170000psi |
Yield Strength | 965Mpa,140000ps |
Elongation % | 6 min |
1.Solid solution,1000 ~ 1100℃ fast cooling;
2. Aged at 565℃, after solution treatment, 760±15℃ for 90min, cooled to below 15℃ within 1h, kept for 30min, then heated to 565±10℃ for 90min, air cooling;
3. 510℃ aging, after solid solution treatment,955±10℃ for 10min, air cooling to room temperature within 24h cooling to -73±6℃, maintained for 8h, then heated to 510±10℃ for 60min, air cooling.
Corrosion Resistance
The 631 stainless steel is highly corrosion-resistant in seawater, acids, and alkalis environments. It offers better corrosion resistance than 304 and 316 stainless steel due to its higher chromium content. However, the alloy is susceptible to pitting and crevice corrosion in chloride-containing solutions.
Why choose us
1.Size control
2.Chemical composition control
4.ultrasonic testing of steel tube
3.hydraulic testing machine
Package detail
Shipping
Company Details
Business Type:
Manufacturer,Distributor/Wholesaler,Agent,Importer,Exporter,Trading Company
Year Established:
1995
Total Annual:
6,000,000-8,000,000
Employee Number:
100~150
Ecer Certification:
Verified Supplier
Zheheng steel is one incorporate of manufacturer, Exporter ,consultant ,stockist company specialized in the area of stainless steel tubing , pipe fittings ,Flanges and other stainless steel grade accessories . It is one-stop-shop company ,our team have more than 20 years experience in sta... Zheheng steel is one incorporate of manufacturer, Exporter ,consultant ,stockist company specialized in the area of stainless steel tubing , pipe fittings ,Flanges and other stainless steel grade accessories . It is one-stop-shop company ,our team have more than 20 years experience in sta...
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