公差表


公差表
TABLE OF THE CHEMICAL COMPOSITION OF STAINLESS STEEL PIPES AND TUBES
規格
Specification
化學成份 Chemical Composition(%)
CSiMnPSNiCrMo
JISSUS 304≦ 0.08≦ 1.00≦ 2.00≦ 0.04≦ 0.038.00~11.0018.00~20.00 
SUS 304L≦ 0.03≦ 1.00≦ 2.00≦ 0.04≦ 0.039.00~13.0018.00~20.00 
SUS 316≦ 0.08≦ 1.00≦ 2.00≦ 0.04≦ 0.0310.00~14.0016.00~18.002.00~3.00
SUS 316L≦ 0.03≦ 1.00≦ 2.00≦ 0.04≦ 0.0312.00~16.0016.00~18.002.00~3.00
ASTMTP304≦ 0.08≦ 0.75≦ 2.00≦ 0.04≦ 0.038.00~11.0018.00~20.00 
TP 304L≦ 0.035≦ 0.75≦ 2.00≦ 0.04≦ 0.038.00~13.0018.00~20.00 
TP 316≦ 0.08≦ 0.75≦ 2.00≦ 0.04≦ 0.0311.00~14.0016.00~18.002.00~3.00
TP 316L≦ 0.035≦ 0.75≦ 2.00≦ 0.04≦ 0.0310.00~15.0016.00~18.002.00~3.00
不銹鋼管固溶化熱處理
STAINLESS STEEL SOLUTION ANNEALING CONDITION
JIS 規範ASTM 規範CNS 規範
鋼種 Type固溶化處理 Annealing Process鋼種 Type固溶化處理 Annealing Process鋼種 Type固溶化處理 Annealing Process
SUS 304
SUS 304L
SUS 316
SUS 316L
1010℃ 以上
WATER QUENCHING
TP 304
TP 304L
TP 316
TP 316L
1040℃ 以上
WATER QUENCHING
TP 304
TP 304L
TP 316
TP 316L
1010℃ 以上
WATER QUENCHING
不銹鋼管重量計算公式表
CALCULATING FORMULA FOR THE VALUE OF MASS
鋼種 Type密度 Density(g/cm³)計算方式 Calculation Formula
SUS 304   SUS 304L
TP 304   TP 304L
7.93W=0.02491 t(D-t)
SUS 316   SUS 316L
TP 316   TP 316L
7.98W=0.02507 t(D-t)

W: 鋼管重量 Weight(kg/m)      D: 鋼管外徑 Outside Diameter(mm)      t: 鋼管厚度 Wall Thickness(mm)

工業配管用不銹鋼管
STAINLESS STEEL PIPES
CNS G3124   ASTM A312   JIS G3459
項目 Item / 規格 Specification外徑 Outside Diameter厚度 Wall Thickness長度 Length
CNS G3124
JIS G3459
O.D. [mm] < 30 [mm] : ±0.3mm   (Tolerance)
O.D. [mm] ≧ 30 [mm] : ±1%
< 2mm : ±0.2mm
≧ 2mm : ±10%
Should not be shorter than appointed lengths
ASTM A312O.D. [mm]: 10.3 ~ 457.2 mm
Tolerance: +0.4/-0.4 mm ~ +2.4/-0.8 mm
±12.5%Definite Cut Lengths
+6.4mm -0mm
機械構造用不銹鋼管
STAINLESS STEEL MECHANICAL TUBING
CNS G3119   JIS G3446
項目 Item / 規格 Specification外徑 Outside Diameter厚度 Wall Thickness真圓度 Roundness真直度 Straightness長度 Length
CNS G3119
JIS G3446
< 50mm: ±0.5mm
≧ 50mm: ±1%
< 3mm: ±0.3mm
≧ 3mm: ±10%
-≦ 10mm / 6MDefinite Cut Lengths
+50mm -0mm
ASTM A554
項目 Item / 規格 Specification外徑 Outside Diameter (mm)厚度 Wall Thickness (mm)外徑公差 Outside Diameter tolerance(mm)厚度公差 Wall Thickness (mm)長度 Length (mm)
ASTM A554under 12.70.51 to 1.24±0.10

±10% Wall Thickness tolerance

±10% of nominal wall Thickness

Definite Cut Lengths
12.7 to 25.4 [incl]0.51 to 1.65
Over 1.65 to 3.40
±0.13
±0.25
Over 25.4 to 38.1 [incl]0.64 to 1.65
Over 1.65 to 3.40
±0.20
±0.25
Over 38.1 to 50.8 [incl]0.64 to 1.24
Over 1.24 to 2.11
Over 2.11 to 3.78
±0.25
±0.28
±0.30
Over 50.8 to 63.5 [incl]0.81 to 1.65
Over 1.65 to 2.77
Over 2.77 to 4.19
±0.30
±0.33
±0.36
Over 63.5 to 88.9 [incl]0.81 to 4.19±0.36
Over 88.9 to 127.0 [incl]0.89 to 4.19±0.51
長管 & 方管
STAINLESS STEEL RECTANGULAR TUBES & STAINLESS STEEL SQUARE TUBES
ASTM A554
項目 Item / 規格 Specification外徑 Outside Diameter厚度 Wall Thickness對角線 Digonal圓弧角 Eduge radius真直度 Straightness長度 Length其他 Other
長管方管
Rectangular tubes
Square tubes
≦ 31.8mm: ±0.38
31.8~63.5mm: ±0.51
≧ 63.5mm: ±0.76
±10%±0.4mm≦ 2.5m/MR≦ 10mm/6M+50mm -0Flatness: ≦ 0.15mm
一般配管用不銹鋼管(壓接管)
LIGHT GAUGE STAINLESS STEEL PIPE FOR ORDINARY PIPING
JIS G3448
項目 Item / 規格 Specification外徑 Outside Diameter厚度 Wall Thickness長度 Length
JIS G3448≦ 34.0mm: +0mm / -0.37mm0.8-1.2mm: ±0.12mm
1.5mm: ±0.15mm
2.0mm: ±0.30mm
3.0mm: ±0.40mm
Definite Cut Lengths
34.0 ~ 42.7mm: ±0.34mm
42.7 ~ 48.6mm: ±0.43mm
48.6 ~ 60.5mm: ±0.49mm
60.5 ~ 76.3mm: ±0.60mm
≧ 76.3mm: ±0.1%
食品衛生用不銹鋼管
WELDED AUSTENITIC STAINLESS STEEL TUBING FOR GENERAL SERVICE & SANITARY TUBE
CNS G3131   JIS G3447   ASTM A269   ASTM A270
項目 Item / 規格 Specification外徑 Outside Diameter厚度 Wall Thickness長度 Length
CNS G3131
JIS G3447
≦ 25.4mm: ±0.15mm±10%-0mm +10mm
25.4 ~ 31.8mm: ±0.16mm
31.8 ~ 38.1mm: ±0.19mm
38.1 ~ 76.3mm: ±0.25mm
76.3 ~ 89.1mm: +0.30mm / -0.40mm
89.1 ~ 101.6mm: +0.35mm / -0.40mm
101.6 ~ 114.3mm: +0.40mm / -0.60mm
114.3 ~ 139.8mm: +0.40mm / -0.80mm
139.8 ~ 165.2mm: +0.40mm / -1.20mm
ASTM A269
ASTM A270
≦ 38.1mm: ±0.13mmOD < 12.7mm: ±15%
OD ≧ 12.7mm: ±10%
OD ≦ 38.1mm: +3.2mm -0mm
OD > 38.1mm: +4.8mm -0mm
38.1 ~ 88.9mm: ±0.25mm
88.9 ~ 139.8mm: ±0.38mm
≧ 139.8mm: ±0.76mm
不銹鋼的機械性質
STAINLESS MECHANICAL PROPERTIES
規格 Specification機械性質 Mechanical Properties特性 Characteristics
抗強拉度 Tenside Strength伸長率 Elongation降伏強度 Yield Strength硬度 Hardness
kgf/mm² [N/mm²]%kgf/mm² [N/mm²]HRB
JIS
ASTM
SUS 304
TP 304
≧ 53
[520]
≧ 35≧ 21
[205]
≦ 90304Resistant to highly oxidizing acids such as nitric acid, general corrosion-resistant and heat resistant
SUS 304L
TP 304L
≧ 49
[480]
≧ 35≧ 18
[175]
≦ 90304LResistant to various organic acids such as diluted sulfuric acid, sulfurous acid and acetic acid, anti-pitting corrosion.
SUS 316
TP 316
≧ 53
[520]
≧ 35≧ 21
[205]
≦ 90316

304+

304+ inter-granular corrosion resistance.

SUS 316L
TP 316L
≧ 49
[480]
≧ 35≧ 18
[175]
≦ 90316L

316+ 650℃

306+ inter-granular corrosion resistance, heat resistance up to 650℃