TOKKIN 350 - UNS S35000 | PH Stainless Steel

TOKKIN 350 - UNS S35000 | PH Stainless Steel About

Grade	TOKKIN 350
Reference Standards (for reference only)	UNS S35000 ASTM A693(Type 633) AMS 5548 AISI 633
Shapes	Coil, Sheet
Thickness	0.030 to 1.0mm (Strip, Sheet)
Width	3.0 to 300mm (Strip, Sheet)
Length	Strip or Sheet (Length less than 2,000mm)
Technique	Cold Rolled
Temper	BA(Bright Annealed), 2B(Skin passed), As Rolled(Hard)
Surface Finish	Bright, Dull
Examples of Applications	Bellows, Diaphragms, Valves, Air Conditioner, Actuated Valves, Watch Parts
Coil I.D.	300, 400, 500mm
Chemical Composition	Refer to the image
Mechanical Properties	Refer to the image
Density	7.92 g/cm3
Specific Heat	461 J/(kg K)
Electrical Resistivity	79 micro-ohm meter
Thermal Expansion	15.2 x 10-6/K (25-100oC)
Thermal Conductivity	15.4 W/(m K) (100oC)
Minimum Order Quantity	100 Kilograms
Country of Origin	Japan, China
Payment Terms	Telegraphic Transfer (T/T)
Delivery Terms	EXW, FOB, CIF, DAP etc.
Packing	Our Standard Packing for Export
Export Markets	Asia, Middle East, North America, South America, Europe etc.

TOKKIN 350 Description :

TOKKIN 350 is a chromium-nickel-molybdenum precipitation hardening stainless steel. In solution heat-treated and annealed conditions, it boasts excellent workability and high strength by heat treatment.

Compared to other precipitation hardening stainless steels, the addition of molybdenum provides superior corrosion resistance and oxidation resistance, and the absence of aluminum and titanium provides good weldability.
It also has excellent yield strength and cyclic fatigue strength, and is used for bellows, diaphragms, actuation valves, etc. which require long life under cyclic stress.

Main Features of TOKKIN 350:

1. Excellent Workability Before Aging

   Solution-treated and annealed material can be easily formed, stamped, and fabricated into complex shapes.

2. High Strength Through Precipitation Hardening

   Heat treatment significantly increases strength and spring characteristics while maintaining dimensional stability.

3. Superior Corrosion Resistance

   Molybdenum addition provides enhanced corrosion resistance compared with many conventional precipitation-hardening grades.

4. Excellent Oxidation Resistance

   Suitable for applications exposed to elevated temperatures and cyclic environmental conditions.

5. Good Weldability

   The absence of aluminum and titanium reduces welding-related challenges and helps maintain consistent mechanical properties.

6. Outstanding Fatigue Performance

   High yield strength and cyclic fatigue resistance make it ideal for components subjected to loading and vibration.

TOKKIN 350 is widely used in bellows, diaphragms, precision valves, actuator components, air-conditioning control systems, watch parts, and other precision applications where long fatigue life, corrosion resistance, and high strength are required.

Exceptional Mechanical Performance

TOKKIN 350 offers outstanding strength and corrosion resistance, making it suitable for components exposed to demanding environments. Its properties ensure long-lasting durability and reliability in precision applications such as actuators and watch parts.

Versatile Form and Finish Options

Customers can select from a range of tempers-including Bright Annealed (BA), 2B skin passed, and As Rolled (Hard)-as well as surface finishes like bright or dull. The product is available as coils or sheets to accommodate diverse fabrication needs.

Widely Trusted for Critical Applications

This PH stainless steel grade is widely utilized in applications that demand tight tolerances and consistent performance. Industries ranging from air conditioning to manufacturing precision valves and bellows benefit from its consistent quality and exporter/manufacturer support from Japan.

FAQ's of TOKKIN 350 - UNS S35000 | PH Stainless Steel:

Q: How is TOKKIN 350 stainless steel typically processed for industrial use?

A: TOKKIN 350 can be supplied in various tempers such as BA (Bright Annealed), 2B (Skin Passed), and As Rolled (Hard), which are selected based on the required mechanical properties and intended fabrication process for the end application.

Q: What applications is TOKKIN 350 most suitable for?

A: This alloy is ideal for precision parts such as bellows, diaphragms, valves, air conditioner components, actuated valves, and watch parts, due to its excellent mechanical strength and corrosion resistance.

Q: When should I choose BA, 2B, or As Rolled temper for my project?

A: Choose BA (Bright Annealed) for a smooth, lustrous finish, 2B (Skin Passed) for a uniform, slightly dull surface, and As Rolled (Hard) when maximum strength is needed. Each temper provides specific benefits depending on the end-use requirements.

Q: Where is TOKKIN 350 manufactured and exported from?

A: TOKKIN 350 is manufactured in Japan and is supplied globally by recognized exporters, manufacturers, and suppliers, ensuring consistent quality and reliable delivery.

Q: What are the benefits of using TOKKIN 350 in watch parts and precision devices?

A: Its high strength, excellent corrosion resistance, and fine thickness control make it ideal for small, intricate parts where both durability and precision are critical.

Q: How does the available thickness and width range support various industries?

A: With thickness options from 0.030 to 1.0 mm and widths ranging from 3.0 to 300 mm, TOKKIN 350 suits a broad spectrum of applications, from micro-mechanical devices to larger industrial components.