Stainless Steel Alloy 347h

We produce ASTM/ASME Grade 304, Grade 304L,304h, 316, 316L, 316H, 316TI, 321, 321H, 309S, 309H, 310S, 310H, 410S, 2205, 904L, 2507, 254, gh3030, 625, 253MA, S30815, 317L, Type 317, 316lN, 8020, 800, 800H, C276, S32304 and others special requirement stainless steel grade.

In addition to its warmth resistance properties, 347 also enjoys better resistance in opposition to creep and stress rupture corrosions. This is another benefit of kind 304, as 347’s characteristics may be higher fitted to environments the place stabilization is a primary concern.

Grade 347H stainless steel may be annealed at temperature starting from 1010 to 1193°C (1850 to 2000°F) and then quenched with water. Alloy 347 stainless-steel plate doesn’t carry out nicely in chloride options, even in small concentrations, or in sulfuric acid.

Alloy 347H (UNS S3409) stainless steel plate is the upper carbon (0.04 – 0.10) version of the alloy. It was developed for enhanced creep resistance and for greater power at temperatures above one thousand°F (537°C). Alloy 347 stainless steel plate is also advantageous for prime temperature service due to its good mechanical properties. Alloy 347 chrome steel plate resists polythionic acid stress corrosion cracking in hydrocarbon service.

 

• Alloy 347H Sheet (UNS S32100) is a titanium stabilized austenitic stainless-steel with good basic corrosion resistance.
• Alloy 347H is the upper carbon (zero.04 – zero.10) model of the alloy.
• It has wonderful resistance to intergranular corrosion after publicity to temperatures in the chromium carbide precipitation vary of 800 – 1500°F (427 – 816°C).
• The alloy resists oxidation to 1500°F (816°C) and has larger creep and stress rupture properties than alloys 304 and 304L.

Our stainless production range

All of the Type 347H stainless steel which equipped by Continental Steel, meets the main worldwide requirements together with ASTM, ASME, EN, and DIN. Although this material requires greater initial forces than 304 stainless, it is quite robust and ductile and may be readily stamped, blanked, spun and drawn. Elevated properties may solely be obtained by way of chilly reduction. AISI 347 H / 1.4961 is an austenitic chromium-nickel chrome steel with titanium addition.

Stainless Steel Alloy 347h

Stainless steels are classified into martensitic, ferritic and austenitic based on their crystalline structure. In addititon, they form one other group known as precipitation-hardened steels, which are a mixture of martensitic and austenitic steels. Slightly more durable than 304 stainless, this materials will produce the precise tough stringy chips. The use of gradual speeds and fixed optimistic feeds will scale back this alloy’s tendency to work harden. 347 could also be welded by all commonly used fusion and resistance methods.

Alloy 347 chrome steel plate can’t be hardened by heat treatment, only by cold working. In this research failure of AISI 347 stabilized stainless-steel pipe after 60,000 of working in a petrochemical plant was investigated.

347h 1.4550 Chemical Composition

Grade 347H stainless-steel can be welded utilizing most of the resistance and fusion strategies. The following desk shows the chemical composition of grade 347H stainless steel. The following datasheet will present more particulars about grade 347H stainless-steel, which is slightly tougher than grade 304 steel.

We have thousands tons stock of stainless steel sheet and coil with various size and grade,mainly include austenitic stainless steel, martens stainless steel (including precipitation hardened stainless steel sheet & coil), ferritic stainless steel, and duplex stainless steel.

Characteristics of Stainless Steel Sheet and Plate:
High corrosion resistance
High strength
High toughness and impact resistance
Temperature resistance
High workability, including machining, stamping, fabricating and welding
Smooth surface finish that can be easily clean