AISI 630 (17-4PH)
2014-09-20 20:21:53   Origin：   Remark：0 Click：

ASTM 630 / 17-4PH flat bar and round bar is commonly stocked in Condition A and can be cut to your specific requirements. Stocks of 17-4ph H1050+H1150 are available in round bar. Precision ground bar can be produced and supplied ground to your required tolerances.
 

AISI 630
	Sheet	Plate	Flat	Round bar	Strip

Commonly used in industries such as offshore, marine, food, paper mills, oil field and aerospace. AISI 630 is used for components such as fasteners, couplings, screws, bushings, studs, fittings, valve stems, roller, wear rings.

Heat slowly and uniformly to 1180-1200ºC. Do not forge below 1010ºC. Hold at temperature for one hour prior to forging the component. Cool in air to room temperature. Forged components require solution annealing before any further heat treatment.

AISI 630 stainless has very good corrosion resistance properties. Corrosion tests in service have shown good results in all aged conditions. With better corrosion resistance to standard hardenable stainless grades such as 431, 420 and 410. 17-4PH has corrosion resistance comparable to 304 stainless specification.

Similar in machining characteristics to 304 and 410 stainless steel specifications. Condition H900 has high hardness and strength which is the most difficult to machine and the machining of this is recommended to be carried out at 60% of the rate which is used for Condition A.

For increase resistance to surface wear, with a slight reduction in corrosion resistance, AISI 630 can be nitrided. When nitrided at 540ºC an approximate hardness of 64-67 HRc is achievable, with a surface hardness depth of up to 0.15mm. The steel maintains a high core strength.

SS630 is commonly supplied in the solution treated condition (Condition A). Heat treated at different temperatures will offer a wide range of properties. (We also hold stock in H1150+H1150).