304S61

304S61 Stainless Steels to BS 1501-3

304S61 - Specification & Application

• BS 1501-3 - Steels for pressure purposes. Specification for corrosion- and heat-resisting steels: plates, sheet and strip
• BS 1502 - Specification for steels for fired and unfired pressure vessels: sections and bars
• BS 1503 - Specification for steel forgings for pressure purposes
• BS 1506 - Specification for carbon, low alloy and stainless steel bars and billets for bolting material to be used in pressure retaining applications

Specification for carbon, low alloy and stainless steel bars and billets for bolting material to be used in pressure retaining applications

Chemical composition(wt.%) of 304S61 grade: to BS 1501-3

304S61 - Detail

Specification for carbon, low alloy and stainless steel bars and billets for bolting material to be used in pressure retaining applications

Mechanical properties of grade 304S61 BS 1501-3

Proof strength Rp0.2 (MPa)	Tensile strength Rm (MPa)	Impact energy KV (J)	Elongation at fracture A (%)	Reduction in cross section on fracture Z (%)	As-Heat-Treated Condition	Brinell hardness (HBW)
396 (≥)	759 (≥)	34	23	43	Solution and Aging, Annealing, Ausaging, Q+T,etc	341

Physical properties of grade 304S61 BS 1501-3

Property	Density kg/dm3	Temperature T °C/F	Specific heat J / kgK	Thermal conductivity W/mK	Electric resistance µΩ·cm	Modulus of elasticity kN/mm2	Expansion rate
458 (≥)	266 (≥)	21	11	32	Solution and Aging, Annealing, Ausaging, Q+T,etc	412
Temp. °C/°F	Creep strain limit (10000h) (Rp1,0) N/mm2	Creep rupture strength (10000h) (Rp1,0) N/mm2
995	727	567