t1302a - 406 ● Chapter 13 / Types and Applications of...

Info iconThis preview shows page 1. Sign up to view the full content.

View Full Document Right Arrow Icon
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: 406 ● Chapter 13 / Types and Applications of Materials Table 13.2a AISI/SAE and UNS Designation Systems and Composition Ranges for Plain Carbon Steel and Various Low-Alloy Steels AISI/SAE Designationa 10xx, Plain carbon 11xx, Free machining 12xx, Free machining 13xx 40xx 41xx 43xx 46xx 48xx 51xx 61xx 86xx 92xx a UNS Designation G10xx0 G11xx0 G12xx0 G13xx0 G40xx0 G41xx0 G43xx0 G46xx0 G48xx0 G51xx0 G61xx0 G86xx0 G92xx0 Composition Ranges (wt% of Alloying Elements in Addition to C )b Ni Cr Mo Other 0.08–0.33S 0.10–0.35S, 0.04–0.12P 1.60–1.90Mn 0.80–1.10 0.40–0.90 0.20–0.30 0.15–0.25 0.20–0.30 0.15–0.30 0.20–0.30 0.10–0.15V 0.15–0.25 1.80–2.20Si 1.65–2.00 0.70–2.00 3.25–3.75 0.40–0.70 0.70–1.10 0.50–1.10 0.40–0.60 The carbon concentration, in weight percent times 100, is inserted in the place of ‘‘xx’’ for each specific steel. b Except for 13xx alloys, manganese concentration is less than 1.00 wt%. Except for 12xx alloys, phosphorus concentration is less than 0.35 wt%. Except for 11xx and 12xx alloys, sulfur concentration is less than 0.04 wt%. Except for 92xx alloys, silicon concentration varies between 0.15 and 0.35 wt%. Table 13.2b Typical Applications and Mechanical Property Ranges for Oil-Quenched and Tempered Plain Carbon and Alloy Steels AISI Number 1040 1080a 1095 a UNS Number G10400 G10800 G10950 Tensile Yield Ductility Strength Strength [%EL in 50 [MPa (ksi)] [MPa (ksi)] mm (2 in.)] Plain Low-Carbon Steels 605–780 430–585 33–19 (88–113) (62–85) 800–1310 (116–190) 760–1280 (110–186) 786–2380 (114–345) 980–1960 (142–284) 815–2170 (118–315) 480–980 (70–142) 510–830 (74–120) Alloy Steels 710–1770 (103–257) 895–1570 (130–228) 745–1860 (108–270) 24–13 26–10 Typical Applications Crankshafts, bolts Chisels, hammers Knives, hacksaw blades 4063 4340 6150 a G40630 G43400 G61500 24–4 21–11 22–7 Springs, hand tools Bushings, aircraft tubing Shafts, pistons, gears Classified as high-carbon steels. ...
View Full Document

Ask a homework question - tutors are online