347S51

347S51 Stainless Steels to BS 1501-3

347S51 - 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
• BS 3059-2 - Steel boiler and superheater tubes. Specification for carbon, alloy and austenitic stainless steel tubes with specified elevated temperature properties
• BS 3605-1 - Austenitic stainless steel pipes and tubes for pressure purposes. Specification for seamless tubes

Austenitic stainless steel pipes and tubes for pressure purposes. Specification for seamless tubes

Chemical composition(wt.%) of 347S51 grade: to BS 1501-3

347S51 - Detail

Austenitic stainless steel pipes and tubes for pressure purposes. Specification for seamless tubes

Mechanical properties of grade 347S51 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)
421 (≥)	695 (≥)	41	34	21	Solution and Aging, Annealing, Ausaging, Q+T,etc	321

Physical properties of grade 347S51 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
686 (≥)	734 (≥)	13	44	31	Solution and Aging, Annealing, Ausaging, Q+T,etc	113
Temp. °C/°F	Creep strain limit (10000h) (Rp1,0) N/mm2	Creep rupture strength (10000h) (Rp1,0) N/mm2
617	143	936