416S 29

416S 29 Stainless Steels to BS 1502

416S 29 - Specification & Application

• BS 1502 - Specification for steels for fired and unfired pressure vessels: sections and bars
• 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 416S 29 grade: to BS 1502

416S 29 - 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 416S 29 BS 1502

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)
362 (≥)	789 (≥)	33	14	21	Solution and Aging, Annealing, Ausaging, Q+T,etc	444

Physical properties of grade 416S 29 BS 1502

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
579 (≥)	234 (≥)	31	21	32	Solution and Aging, Annealing, Ausaging, Q+T,etc	242
Temp. °C/°F	Creep strain limit (10000h) (Rp1,0) N/mm2	Creep rupture strength (10000h) (Rp1,0) N/mm2
527	734	849