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Chemical Composition and Machinical Properties of YHT steel's Regular Stock
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- Author:David
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- Time of issue:2020-12-07 10:12
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(Summary description)Chemical Composition and Machinical Properties of YHT steel's Regular Stock
Chemical Composition and Machinical Properties of YHT steel's Regular Stock
(Summary description)Chemical Composition and Machinical Properties of YHT steel's Regular Stock
- Categories:Company News
- Author:David
- Origin:
- Time of issue:2020-12-07 10:12
- Views:
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Recommended Products
JIS G3445 STKM11A/12A/13A COLD ROLLED PRECISION STEEL TUBE
Mechanical tube
标准 Standard: JIS G3445
用途 Application: 适用于机械制造,汽车制造,自行车制造,家具制作以及其他机械的零部件制造。
It is widely used in manufacturing of Machinery, Automobile, bycycle, furniture and some other machined parts.
主要牌号 Steel Tube Grade:
STKM 11A, STKM12(A,BC),STKM13(A,B,C),STKM14(A,B,C)
化学成分 Chemical Composition
钢级
Standard
牌号
Grade
化学成分Chemical Composition
C
Si
Mn
P
S
JIS G3445
STKM11A
≤0.12
≤0.35
≤0.60
≤0.040
≤0.040
STKM12A
≤0.20
≤0.35
≤0.60
≤0.040
≤0.040
STKM12B
STKM12C
STKM13A
≤0.25
≤0.35
0.30-0.90
≤0.040
≤0.040
STKM13B
STKM13C
STKM14A
≤0.30
≤0.35
0.30-1.00
≤0.040
≤0.040
STKM14B
STKM14C
机械性能 Mechanical Properties
钢级
Standard
牌号
Grade
机械性能Mechanical Properties
抗拉强度(Mpa)
屈服强度(Mpa)
伸长率(%)
Tensile Strength
Yield Strength
Elongation
JIS G3445
STKM11A
≥295
/
≥35
STKM12A
≥345
≥175
≥35
STKM12B
≥390
≥275
≥35
STKM12C
≥470
≥355
≥25
STKM13A
≥375
≥215
≥30
STKM13B
≥440
≥305
≥20
STKM13C
≥510
≥380
≥15
STKM14A
≥410
≥245
≥25
STKM14B
≥500
≥355
≥15
STKM14C
≥550
≥410
≥15


42CrMo4 precision seamless steel tube for auto parts
42CrMo4 precision seamless steel tube for auto parts
chemical composition:
Carbon C
0.38~0.45%
Silicon Si
0.17~0.37%
Manganese Mn
0.50~0.80%
Sulfur S
Allow residual content ≤0.035%
Phosphorus P
allowable residual content ≤0.035%
Chromium Cr
0.90~1.20%
Nickel Ni
allowable residual content ≤0.30%
Copper Cu
allowable residual content ≤0.30%
Mo
0.15~0.25%
Mechanical properties:
Hardness: Annealing, 255~207HB, indentation diameter 3.8~4.2mm; Quenching, ≥60HRC cr12mov The hardenability, hardness, strength and toughness after quenching and tempering are higher than CR12, and the work with a diameter of 300-400mm or less can be completed Hardenable, small quenching deformation, but poor high temperature plasticity. cr12mov plates are mostly used to manufacture composite molds and tools with large cross-sections, complex shapes and heavy workloads.


Mild Steel TUBE STKM11A /STKM13 A
Mechanical tube
Standard: JIS G3445
Application:
It is widely used in manufacturing of Machinery, Automobile, bycycle, furniture and some other machined parts.
Steel Tube Grade:
STKM 11A, STKM12(A,BC),STKM13(A,B,C),STKM14(A,B,C)
Chemical Composition


GB/T8162/8163 HOT ROLLED SEAMLESS STEEL PIPE
GB/T8162/8163 HOT ROLLED SEAMLESS STEEL PIPE


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+86-0635-8888909
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