8115 Adjustable Wrench

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The code No.8115 stainless steel adjustable wrench is suitable for different sizes of fasteners by adjusting the opening size. It is made of stainless steel processed by drop forging.

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
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 (cutting tools stainless steel): representative grade: 420
The mechanical property of martensitic stainless steel is adjustable by heat treatment. Generally speaking, it is a type of hardenable stainless steel. It is hardened after quenching. Different tempering temperatures give different combinations of hardness and toughness. This stainless steel is widely used in such industries where the requirements of corrosion resistance is not very high, plus the cutting tools and machine elements have high requirements on strength.

420 stainless steel tools 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	L (mm)	Kmax (mm)	Weight (g)
8115-1002	100	13	40
8115-1004	150	18	145
8115-1006	200	24	265
8115-1008	250	30	410
8115-1010	300	36	650
8115-1012	375	46	1410
8115-1014	450	55	2070
8115-1016	600	65	4705