Forgings Technical Info

Provide your engineering team and your designers with critical forging technical information. Connor Corporation is ready to work in collaboration with your group to produce reliable products that perform according to your plan. Move forward with any part produced through metal forging.

Forging Alloys

Steel (#20, #45, Q235, Q345, 20Cr, 42CrMo)

Type	Chemical Composition (%)									Mechanical Performance
Type	C	Si	Mn	P	S	Cr	Mo	Cu	Ni	Tensile Strength (MPa)	Yield Strength (MPa)	Elongation (%)
#20	0.17-0.23	0.17-0.37	0.35-0.65	0.035	0.035	0.25	–	0.25	0.30	≥410	≥245	≥25
#45	0.42-0.50	0.17-0.37	0.50-0.80	0.035	0.035	0.25	–	0.25	0.30	≥600	≥355	≥16
Q235	0.22	0.35	1.4	0.045	0.05	0.30	–	0.30	0.30	≥370	≥235	≥21
Q345	0.20	0.50	1.70	0.035	0.035	0.30	0.10	0.30	0.50	≥450	≥345	≥17
20Cr	0.18-0.24	0.17-0.37	0.50-0.80	0.035	0.035	0.70-1.00	0.15	0.30	0.30	≥835	≥540	≥10
42CrMo	0.38-0.45	0.17-0.37	0.50-0.80	0.035	0.035	0.90-1.20	0.15-0.25	0.30	0.30	≥1080	≥930	≥12

Copper (HPb 58-3, HPb 59-1, C3771, C46500)

Type	Chemical Composition (%)
Type	Cu	Fe	Pb	Al	Mn	Sn	As	Zn	Other
HPb 58-3	57.0-59.0	0.5	2.5-3.5	–	–	0.5	–	Balance	1.0
HPb 59-1	57.0-60.0	0.5	0.8-1.9	–	–	–	–	Balance	1.0
C3771	57.0-61.0	0.5	1.0-2.5	–	–	0.5	–	Balance	1.0
C46500	59.0-62.0	0.10	0.20	–	–	0.50-1.0	0.02-0.10	Balance	–

Aluminum (LD5)

Type

Chemical Composition (%)

Mechanical Performance

Tensile Strength (MPa)

Yield Strength (MPa)

Elongation (%)

LD5

0.7

0.7-1.2

0.4-0.8

0.3

0.15

0.1

1.8-2.6

Balance

≥355

–

≥12

Forging General Tolerances

General profile: +/- 0.8 mm
Linear dimensions: +/- 0.5 mm
Draft: 3.0 degree per side
Forging surface roughness: Ra 3.2um – Ra 50um
Minimum wall thickness: 3mm
Maximum parting line mismatch: 0.4 mm
Maximum parting line: 0.5mm
Maximum forging part weight: 25KG