PRODUCTS

Wiper blades

Windshield wipers need to possess appropriate elasticity and pressure to ensure that the wiper blades adhere tightly to the windshield surface and apply even pressure. Carbon steel, with its excellent strength and hardness, is capable of withstanding high levels of stress and load, while meeting processing requirements. It's the optimal choice for both carbon steel suppliers and cold-rolled steel suppliers.

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Steel Grade & Chemical Composition
Hardness Conversion Table

Hardened and Tempered steel		Chemical Conposion (%)
JIS	SAE	C	Si	Mn	P	S	Cu	Ni	Cr
S50C		0.47 ~ 0.53	0.15 ~ 0.35	0.60 ~ 0.90	≦0.030	≦0.035	≦0.030	≦0.20	≦0.20
S55C		0.52 ~ 0.58	0.15 ~ 0.35	0.60 ~ 0.90	≦0.030	≦0.035	≦0.030	≦0.20	≦0.20
S56C		0.60 ~ 0.70	0.15 ~ 0.35	0.60 ~ 0.90	≦0.030	≦0.035	≦0.030	≦0.20	≦0.20
SK85		0.80 ~ 0.90	0.10 ~ 0.35	0.10 ~ 0.50	≦0.030	≦0.035	≦0.025	≦0.20	≦0.20
SK95		0.90 ~ 1.00	0.10 ~ 0.35	0.10 ~ 0.50	≦0.030	≦0.035	≦0.025	≦0.25	≦0.30
SKS51		0.75 ~ 0.85	≦0.35	≦0.50	≦0.030	≦0.030	≦0.025	1.30 ~ 2.00	0.20 ~ 0.50
SKS5		0.75 ~ 0.85	≦0.35	≦0.50	≦0.030	≦0.030	≦0.025	0.70 ~ 1.30	0.20 ~ 0.50
SUP6		0.56 ~ 0.64	1.50 ~ 1.80	0.70 ~ 1.00	≦0.030	≦0.030	≦0.030

Hardened and Tempered steel		Hardness	Hardness	Tensile Strength (N/mm²)
JIS	SAE	HV	HRC
S50C		320 ~ 560	33 ~ 53	1025 ~ 1950
S55C		320 ~ 560	33 ~ 53	1025 ~ 1950
S56C		320 ~ 560	33 ~ 53	1025 ~ 1950
SK85		340 ~ 580	34 ~ 54	1070 ~ 2020
SK95		340 ~ 580	34 ~ 54	1070 ~ 2020
SKS51		340 ~ 580	34 ~ 54	1070 ~ 2020
SKS5		340 ~ 580	34 ~ 54	1070 ~ 2020
SUP6		320 ~ 560	33 ~ 53	1025 ~ 1950

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