Material-Wuxi Baide Precision Machinery Co., Ltd.

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Aluminum Brass Steel Stainless Steel Titanium Alloy Plastic

Comparison Of Common Aluminum Alloys

Aluminum Alloy Grade	Ultimate Tensile Strength (MPa)	Yield Strength (MPa)	Elongation at Break (%)	Hardness (Brinell)	Features	Common Applications
6061	276-310	240-270	12-25	95-120	High strength, good corrosion resistance	Structural components, automotive parts
7075	570-700	480-520	8-12	150-200	High strength, lightweight	Aerospace, bicycle frames
5052	210-260	160-215	10-20	60-75	Excellent corrosion resistance	Sheet metal fabrication, marine components
2024	400-490	300-365	10-20	120-140	High strength-to-weight ratio	Aircraft structures, rivets
6063	145-186	90-160	12-30	60-75	Good extrudability, corrosion resistance	Architectural profiles, window frames
5083	290-350	210-260	10-25	75-85	Excellent weldability, high strength	Marine applications, pressure vessels
3003	110-170	50-145	20-30	40-50	Good formability, weldability	Food containers, cooking utensils
1100	90-130	35-120	5-12	22-34	Excellent corrosion resistance	Chemical equipment, heat exchangers
2011	320-415	275-390	10-15	90-120	Excellent machinability, good strength	Machined parts, fasteners

Comparison Of Common Brass Grades

Brass Grades	Hardness Rockwell 30T	Tensile Strength, Ultimate	Tensile Strength, Yield	Elongation at Break	Tensile Modulus	Copper cotent	Common application
C360	78	359 Mpa	145 Mpa	53%	97 Gpa	60 - 63%	Fluid Connectors Sensor Bodies
C280	52	345 Mpa	140 Mpa	20%	117 Gpa	59-63%	barometer bullets, screens, radiators
C270	43	365 MPa	150 MPa	54%	105 GPa	63- 68.5 %	Mechanical parts
C260	15	315 Mpa	95 Mpa	65%	110 Gpa	68.5 -71.5 %	Radiator shell, conduit, cartridge
C240	64	N/A	170	12%	110 GPa	78.50-81.50 %	Pipe material
C230	74	580 Mpa	435 Mpa	3%	115 Gpa	84- 86 %	Cooling equipment
C210	57-62	345 - 407 Mpa	338 - 400 Mpa	2- 8%	117 Gpa	95%	Conductive part

Comparison Of Common Steel Grades

Steel Grade	Hardness Rockwell 30T	Ultimate Tensile Strength (MPa)	Tensile Strength, Yield	Elongation at Break	Tensile Modulus	Features	Common Applications
Steel 1018	71 HRB	440 MPa	370 MPa	15%	200 GPa	Low carbon, good machinability	Machinery parts, shafts
Steel 1045	81-85 HRB	565 MPa	310 MPa	14%	210 GPa	Medium carbon, high strength	Gears, shafts, bolts
Steel 4130	85-95 HRB	669 MPa	434 MPa	20-25%	200 GPa	High strength, weldability	Aircraft components, automotive
Steel 4140	94-98 HRB	655 MPa	483 MPa	20-25%	207 GPa	High strength, toughness	Axles, shafts, gears
Steel A36	71-78 HRB	400-550 MPa	250 MPa	20%	200 GPa	General construction, bridges	Structural steel
Steel 1215	71-78 HRB	538 MPa	414 MPa	10%	207 GPa	Free machining, good surface finish	Fasteners, bushings
Steel 4340	94-98 HRB	1586 MPa	965 MPa	10-25%	207 GPa	High strength, toughness	Aircraft components, automotive
A2 Tool Steel	63-65 HRC	1930-2010 MPa	1650-1700 MPa	6-9%	190-210 GPa	High wear resistance, toughness	Cutting tools, dies
D2 Tool Steel	58-62 HRC	1950-2150 MPa	1700-1900 MPa	4-8%	190-210 GPa	High wear resistance, toughness	Cutting tools, punches

Comparison Of Common Stainless Steel Grades

Stainless Steel Grade	Ultimate Tensile Strength (MPa)	Elongation at Break (%)	Hardness (Brinell)	Features	Common Applications
304 (UNS S30400)	515-620	55-60	150-180	Corrosion resistance, formability	Food processing, kitchen appliances
304L (UNS S30403)	485 min	40 min	149 max	Improved weldability	Food processing, architectural
316 (UNS S31600)	515-690	55-60	150-190	Enhanced corrosion resistance	Marine, chemical processing
316L (UNS S31603)	485 min	40 min	149 max	Improved weldability	Pharmaceutical, chemical processing
430 (UNS S43000)	450-600	22-30	150-290	Good corrosion resistance	Automotive, appliances
410 (UNS S41000)	480-760	20-30	170-255	Hardness, moderate corrosion resistance	Cutlery, surgical instruments
416 (UNS S41600)	550-690	15-20	262-352	Free machining, corrosion resistance	Bolts, nuts, shafts
420 (UNS S42000)	655-950	12-18	290-490	High hardness, good corrosion resistance	Surgical instruments, molds
440C (UNS S44004)	760-1035	10-18	248-269	High hardness, wear resistance	Ball bearings, knives

Comparison Of Common Titanimu Grades

Titanium Grade	Ultimate Tensile Strength (MPa)	Yield Strength (MPa)	Elongation at Break (%)	Hardness (Rockwell C)	Tensile Modulus	Features	Common Applications
Grade 1	240-410	170	24-30	14-25	105 GPa	High Corrosion Resistance	Chemical processing, marine
Grade 2	345-550	275	20-25	30-35	105 GPa	Excellent Strength-to-Weight Ratio	Aerospace, medical implants
Grade 5	895-950	830	10-15	36-38	114 GPa	High Strength	Aerospace, automotive
Grade 9	620-828	483	15-20	28-36	118 GPa	Excellent Balance of Strength, Toughness, and Workability	Aerospace, chemical processing
Grade 23	860-1100	795	10-15	38-41	114 GPa	Biocompatible, high strength	Medical implants, marine

Comparison Of Common Plastics

Plastics	Density (g/cm³)	Hardness (Shore D)	Yield Strength (MPa)	Elongation at Break (%)	Softening Temp. (°C)	Friction Coefficient	Features	Common Application
POM	1.41 - 1.43	80 - 87	63 - 70	10 - 50	175 - 195	0.2 - 0.4	High stiffness, low friction	Gears, bearings
ABS	1.05 - 1.07	70 - 115	40 - 60	3 - 50	90 - 110	0.35	Impact resistance, toughness	Automotive trim
Acrylic (PMMA)	1.17 - 1.20	85 - 105	70 - 80	2-10	95 - 120	0.35	Optical clarity, scratch resistance	Signage, lenses
HDPE	0.95 - 0.97	60 - 70	-	-	75 - 90	-	High chemical resistance	Bottles, pipes
PTFE	2.12 - 2.20	55 - 65	20 - 30	200 - 400	327	0.04 - 0.10	Low friction, high temperature resistance	Seals, gaskets