Factory 0.9mm Zinc Aluminum Alloy Steel Wire

Our 50crva alien steel wire ASTM-A230-99, Hexagonal spring steel wire for sale, Valve tempering steel wire has become a hot-selling product that is vying to buy. Make sure deliver the best Assistance, the most beneficial High-quality, The quickly Delivery. Through years of development, we have laid a solid industry foundation and formed a strong sales network that our products have spread all over the country. We adhere to the enterprise tenet of quality-oriented, enterprising and creating first-class brand, and seize the opportunity given by the times to create a more brilliant tomorrow. Our company attaches importance to the development of emerging markets and the core competitive value of overseas industrial chain so that increasing investment and business layout in domestic and foreign markets, and conducting better resource allocation.

Characteristics and scope of application:

Is widely used in Si Mn spring steel, strength, elasticity and hardenability, slightly higher than 55Si2Mn. Suitable for railway vehicles, automobile and tractor industry production bear a larger load or a flat spring wire diameter in the spiral spring, below 30mm is suitable for the production of temperature at 250 DEG C nonrefractory spring corrosion medium and under alternating load and in large type under high stress the importance of working roll spring.

Chemical composition:

C:0.56 to 0.64

Si:1.60 to 2

Mn:0.60 to 0.90

S: = 0.030

P: = 0.030

Cr: = 0.35

Ni: = 0.35

Cu: = 0.25

Mechanical properties:

The ultimate tensile strength of B (MPa): 1568 (160)

Yield strength s (MPa): 1372 (140)

10 elongation (%): 5

Section shrinkage (%): 20 PSI

The hardness is less than or equal to 321HB;: hot rolling, cold drawing + heat treatment, less than 321HB

Specification and metallographic structure of heat treatment:

Specification for heat treatment: quenching at 870 + 20 C, oil cooling; tempering at 440 C + 50 C (special needs, + 30).

Our constant goal is to work hard to provide customers with high-quality Factory 0.9mm Zinc Aluminum Alloy Steel Wire. We will cooperate with you with fast and efficient service and reasonable prices, and create a better future with you! Attitude is our most important asset, because we believe that a person's ability to learn is more important than his current state. We strictly design every detail of the product and strive to humanize the product experience. Our purpose is: in the customer, for the customer. We provide customers with satisfactory service and products.