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8116 Stainless Steel Pipe Wrench

Materials:
1. Austenitic stainless steel: grade 304
This stainless steel, non-magnetic or weakly magnetic, is characterized by high tenacity and ductility, anti-corrosion and thermostability. But the strength can not be strengthened by phase transformation.
Application: stainless steel 304 is used 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 (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 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)
8116-1002 200 25 380
8116-1004 250 30 580
8116-1006 300 40 750
8116-1008 350 50 1100
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