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  4. 8101 Stainless Steel Combination Wrench

8101 Stainless Steel Combination Wrench

Optional Materials:
1. Austenitic stainless steel: grade 304
This material is non-magnetic or weakly magnetic, featuring high tenacity and ductility, corrosion resistance and thermostability. But its strength cannot be strengthened by phase transformation.
Application: 304 is mainly applied in household goods, medical appliance, ship accessories, auto parts, building materials, chemical and food industries.

304QF stainless steel tools technical parameters:
Chemical composition: %
C Si Mn Cr Ni S P N
≤0.08 ≤0.85 ≤1.8 18.0-20 8.0-10.5 ≤0.03 ≤0.045 ≤0.2

Physical property
Tensile strength: σb(MPa)≥520
Offset yield strength:σ0.2(MPa)≥205
Elongation:δ5(%)≥40
Contraction percentage of area: z(%)=60
Density (20℃, g/cm3): 7.93
Hardness: HRC15-25
Melting point (℃): 1398~1454
Specific heat (0~100℃, KJ·kg-1K-1): 0.50
Heat conductivity (W·m-1·K-1): (100℃) 16.3, (500℃) 21.5
Linear expansion coefficient (10-6·K-1): (0~100℃) 17.2; (0~500℃) 18.4
Resistivity (20℃, 10-6Ω·m): 0.73
Magnetism: ≤5nT within 10cm in the magnetic field

2. Martensitic stainless steel (stainless steel for cutting tools): representative grade: 420
The mechanical property of martensitic stainless steel can be adjusted through heat treatment. Popularly speaking, it is a kind of hardenable stainless steel. Its hardness becomes higher after quenching. And different tempering temperatures result in different combinations of strength and tenacity. This stainless steel is used in conditions requiring no high corrosion resistance and the fields in which cutting tools and machine elements have high requirements on strength.

420 stainless steel tools technical parameters:
Chemical composition: %
C Si Mn Cr Ni S P
0.16-0.25 ≤1.00 ≤1.00 12.0-14.0 ≤0.75 ≤0.03 ≤0.04

Physical property
Tensile strength: σb(MPa)≥365
Offset yield strength:σ0.2(MPa)≥440
Elongation:δ5(%)≥20
Contraction percentage of area: z(%)=50
Density (20℃, g/cm3): 7.75
Hardness: HRC35-45
Melting point (℃): 1427
Specific heat (25℃, J·kg-1K-1): 460
Heat conductivity (W·m-1·K-1): 24.9
Linear expansion coefficient (mm/℃): (at20-100℃)

Parameters:
Number Size (mm) L(MM) Weight(g) Number Size (mm) L(MM) Weight(g)
8101-6 6 105 18 8101-23 23 265 320
8101-7 7 120 40 8101-24 24 265 320
8101-8 8 120 40 8101-25 25 265 320
8101-9 9 135 45 8101-26 26 290 430
8101-10 10 135 45 8101-27 27 290 430
8101-11 11 150 65 8101-30 30 320 530
8101-12 12 150 65 8101-32 32 340 780
8101-13 13 175 90 8101-34 34 360 960
8101-14 14 175 90 8101-36 36 360 960
8101-15 15 195 140 8101-38 38 430 1300
8101-16 16 195 140 8101-41 41 430 1300
8101-17 17 195 140 8101-46 46 480 1760
8101-18 18 215 180 8101-50 50 520 2020
8101-19 19 215 180 8101-55 55 560 2000
8101-20 20 215 180 8101-60 60 595 2920
8101-21 21 245 280 8101-65 65 595 3440
8101-22 22 245 280
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