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8101 Stainless Steel Combination Wrench

8101 Stainless Steel Combination Wrench

Optional Materials:
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.

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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

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