COLD ROLLED STAINLESS STEEL COIL SUS631

cold-rolled-stainless-steel-coil-sus631 is a semi-austenitic stainless steel which is austenitic in the annealed condition, but martensitic in the hardened condition. cold-rolled-stainless-steel-coil-sus631 provides high strength and hardness, excellent fatigue properties, good corrosion resistance and minimum distortion upon heat treatment.

cold-rolled-stainless-steel-coil-sus631 is easily formed in the annealed condition, then hardened to high strength levels by simple heat

treatments to Conditions RH 950 and TH 1050.

cold-rolled-stainless-steel-coil-sus631 Chemical composition % weight

C	Si	Mn	P	S	Cr	Ni	Al
0.09	1.00	1.00	0.040	0.030	16.00~18.00	6.50~7.75	0.75~1.50

cold-rolled-stainless-steel-coil-sus631 Mechanical properities

Property	Condition A	TH1050	RH950	C	CH900
UTS, Mpa	896	1379	1620	1517	1827
0.2% YS, Mpa	276	1276	1517	1310	1793
Elongation % in 2''	35	9	6	5	2
Hardness, rockwell	B85	C43	C48	C43	C49

cold-rolled-stainless-steel-coil-sus631 has exceptionally high values of mechanical strength,

coupled with good corrosion resistance characteristics. Recommended for radio antennas used in vehicles,

springs, thrust washers, bearings, surgical instruments, etc.

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