英制螺栓机械性能要求文档格式.docx
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0.040
SMax
0.05
0.13
0.058
0.045
BMin
0.000
—
0.0005
英制螺栓(SAEJ429)的机械性质:
强度等级
GradeDesignation
含口产口仃
Product
s
规格
Nominal
SizeDia
In
FullSizeBolts,
Screws,Studs,Sems
机械性能MachineTestSpecimenOf
Bolts,Screws,andStuds
Surface
Hardness
Core
Proof
Load
Tensile
Strength
Yield
Strengt
h
Elongatio
n伸长率
ReductionOf
Area断面收缩
Rockwell
30NMax
Bolts螺
栓
Screws螺钉
Studs螺
柱
1/4thru
1-1/4
33000
60000
36000
18
35
B70
B100
1/4thru3/4
55000
74000
57000
B80
Over3/4
thru1-1/2
1-1/2
65000
115000
100000
10
C22
C32
1/4thru1
85000
120000
92000
14
54
C25
C34
Over1thru
105000
81000
10500
50
C19
C30
51d此螺丝有垫片
No.6thru
5/8
59.5
C40
Chemical
化学成份
Carbon:
碳
Manganesemin锰
Phosphorusmax磷
Sulfur,max硫
Boron,min硼
Type1
Heatanalysis
Productanalysis
0.28-0.55
0.25-0.58
0.60
0.57
0.050
Type2
0.15-0.38
0.13-0.41
0.70
0.67
NominalSize
Dia.In
FullSizeBolts,
Screws,Studs,
Hardness硬度
Elongationin
4Dmin%
Reductionof
Area,min%
Brinell
HB布氏
HRC洛氏
TYPE2
85ksi
120ksi
92ksi
/
255to321
25to34
1/2
56
C26
C36
e此螺丝热处理后辗牙
13300
133000
12
C28
Bolts螺栓
Screws螺钉Studs螺柱
150000
130000
15000
58.6
C33
C39
Studs螺柱
C38
TYPE1
o
iver1thru1-1/2
over1-1/2thru3
74ksi
55ksi
105ksi
90ksi
81ksi
58ksi
223to285
183t235
19to30
英制螺栓(ASTMA449的化学成份和机械性质:
配合的螺帽为ASTMA563中的产品:
Thesevaluesaretheastheover-tappingrequiredforzinccoatednutsinSpecificationASTMA563
1/4至1-1/2英寸普通产品配合的螺帽为ASTMA563的B普通螺帽(hex);
1-1/2至3英寸普通产品配合的螺帽为ASTMA563的A重型螺帽(heavyhex);
1/4至3英寸镀锌产品配合的螺帽为ASTMA563勺DH重型螺帽(heavyhex)
英制螺栓(ASTMA307的化学成份和机械性质:
Sulfurmax硫
Boronmin硼
GradeA
analysis
max).29max0.33
max0.90
max0.93
max0.04
max0.041
max0.15
①
GradeB
maO29
max0.33
max0.05
max0.051
备注:
1lbf=4.448N1ksi=6.9Mpa1lbf=0.4593kgf
Designation
规格Nominal
SizeDiaIn
Tensile
2inmin%
Reduction
Areamin%
)fRockwell
HB
HRB
3
3olts螺栓
L.essthan3xdia
>
xdiaandlonger
60ks
i
121-241
max241
69-100
max100
GradeB
3xdiaandlonger
60-100ks
121-212
max212
69-95
max95
GradeC
All
58-80ksi
36(50)ksi
23
Nohardnessrequired
①Resulfurizedsteelisnotsubjecttorejectionbasedonproductanalysisforsulfur
1/4至1-1/2英寸普通产品配合的螺帽为ASTMA563的A普通螺帽(hex);
1-1/2至4英寸普通产品配合的螺帽为ASTMA563的A重型螺帽(heavyhex);
1/4至4英寸镀锌产品配合的螺帽为ASTMA563的A重型螺帽(heavyhex)
英制螺栓(ASTMA354的化学成份和机械性质:
Forsizethrough1-1/2in
0.30-0.5
0.28-0.5
max0.035
max0.040
max0.045
analysis
Screws,Studs,
HRC
125ks
GradeBC
1/4to2-1/2
Over2-1/2
95ksi
115ks
109ksi
99ksi
16
45
255-331
235-311
26-36
22-33
GradeBD
150ksi
140ksi
130ksi
115ksi
40
311-363
293-363
33-39
31-39
译文:
这些值为镀锌产品的要求,在ASTMA56沖对螺帽有具体要求。
英制螺栓(ASTMA193的机械性质:
GradeandClass
Diameterin.
ksi
YieldStrength
0.2%Offset
ofAreamin%
Refer
To
note
B5
To1/4incl.
100
80
B6
110
85
15
B6X
90
70
B7
To2-1/2incl.
125
105
C35
Over2-1/2to4
115
95
Over4to7
75
B16
321
Over2-1/2to2
17
B7M
To4incl.
235
B99
1,2
Classes1and1D:
B8,B8M,B8P,B8LN,B8MLN
all
30
223
B96
3,4
Class1:
B8C,B8T
Class1A:
B8A,B8CA,B8MA,B8PA,B8TA,B8LNA
B8MLNA,B8NA,B8MNA,B8MLCuNA
192
B90
Classes1Band1D:
B8N,B8MN,B8MLCuN
3.4
Class1Cand1D:
B8R
55
271
Class1C:
B8RA
Diameter
Yield-Strengt
in.
ofArea
min%
Tonote
B8S
B8SA
To3/4
Over3/4to1
Class2:
B8,B8C,B8P,B8T,B8N
Over1to1-1/4
65
20
3,5
Over1-1/4
28
to1-1/2incl.
96
B8M,B8MN,B8MLCuN
25
To2incl.
Over2to
Class2B:
B8,B8M2
2-1/2incl.
Over2-1/2to3
incl.
60
Class2C:
B8M3
Over2
NOTES:
1.TheminimumtemperatureforGradesB5,B6X,andB7shallbe1100°
F;
forGrade
B16,1200°
等级为B5,B6X和B7的最小回火温度为1100°
F,而等级为B16的最小回火温度为1200°
F
2.Tomeetthetensilestrengthrequirements,thehardnessshallbeoverBrinell201(RockwellB94)minimum.
硬度一定要在201布氏(94HRB硬度以上,抗拉强度一定能达到。
3.Class1issolutiontreated-Class1Aissolutiontreatedinthefinishedconditionforcorrosionresistanee;
heattreatmentiscriticalduetophysicalproperty
requirements.Class2issolutiontreatedandstrain-hardened.Austeniticsteels
inthestrain-hardenedconditionmaynotshowuniformpropertiesthroughoutthesectionparticularlyinsizesover3/4in.indiameter.
Class1将其视为1级对待,Class1A的材料应进行表面处理,具有防腐蚀性能,Class2类的各等级的材料应接受碳化物固溶处理后应变硬化奥氏体钢,尤为3/4以上的螺栓,经硬化后可能出现整个面上各部分性能不均匀现象.
4.Fordiameters3/4in.andsmaller,amaximumhardnessofBrinell241(RockwellB
100)ispermitted.
直径为3/4或更小的产品,硬度要求为最大241布氏(100HRB硬度。
5.Fordiameters1-1/2in.andlarger,center(core)propertiesmaybelowerthan
indicatedbytestreportswhicharebasedonvaluesdeterminedatmid-radius.
直径为1-1/2或更大产品,芯部性能低于试验报告所点明的性能,因为试验报告
依据的数值是在半径中点处测定的
Table3GradeIdentificationMarkingsfor
PopularGradesofCarbonSteelNuts
GradeIdentificationMarking
Specification®
Materia材料
NominalSizein.
ProofLoadStressksi载
荷
Hardness
Rockwell®
度
SeeNote参见笔记
NOMARK
ASTMA563-GradO
eCarbonSteel
1/4thru1-1/2
69
B55
ASTMA563-GradA
B68
ASTMA563-GradB
120
B69
SAEJ995-Grade
2CarbonSteel
-
11
ASTMA563-GradC
CarbonSteelemaybe
Quenchedand