20CrMnTi

Application:

Property carburization is a good steel, high hardenability, have Carburized quenched hard and wear-resistant surface of the heart and tenacity, high impact toughness at low temperature, medium-welding, cutting and after normalizing Good. Section used in the manufacture of 30mm max to bear the high-speed, medium or heavy loads, shock and friction of the important parts such as gears, gear, gear shaft, and so on the cross head.

Quality Standard:

GB / T 3077-1988

Chemical Composition(%):

Carbon       0.17 ~ 0.23

Silicon       0.17 ~ 0.37

Manganese    0.80 ~ 1.10

Chromium    1.00 ~ 1.30

Phosphorous  0.04 max

Sulphur      0.04 max

Titanium     0.04 ~ 0.10

Process:  EAF+LF+VOD+Forged or Rolled+Heat Treatment(optional)

SIZE RANGE:

Round:

Hot Rolled:  8mm –500mm

Hot Forged:  80mm – 1200mm

Flat:

Hot rolled: Thickness:20-130mm  Width: less than 610mm

Hot forged: Thickness:150-600mm Width: up to 1600mm

SURFACE FINISHES:

Black, Peeled (K12), Cold Drawn, Turned & Polished (H10, H11), Precision Ground (H9, H8)

Ultrasonic test: According to SEP 1921-84 3C/c

Certificate of Quality: issued in English, in addition the normal terms, production process, the mechanical property (yield strength, tensile strength, elongation and hardness), forged ratio, UT test result, Grain size, heat treatment methods and the sample of is shown on the Certificate of Quality.

Marking: Heat No. will be cold stamped and Steel grade, diameter (mm), length (mm), and  the manufacturer LOGO and weight (kg) is painted

<p>We, Shanghai Unite Steel Trading Co., Ltd, are committed to integrate steel resources in china and serve the global steel market. Our company has more than 15 years of experience in steel researching, production, managing and sales. And our team mostly are based on and worked in national famous steel enterprise before. In the aspect of resources and information, we have established cooperative relationship with nearly hundred enterprises, either state-owned or private owned in china, such as: DAYE Special Steel-a famous steel enterprise with the longest history; BAO Steel- the biggest one; Northeast Special Steel Group-the biggest special steel manufacture; TPCO- largest seamless steel tube production enterprise; and some large powerful welded pipe producer: Tianjin United Steel Pipe Co., Ltd. Guangzhou JuYi Steel Pipe Co., Ltd. Tianjin Zhongshun Petroleum Steel Pipe Co., Ltd. Shengli Oilfield Longxi Petroleum Steel Tube Co., Ltd. Etc. What's more, we have built long, deep and close business relationship with dozens of steel company, Sharing and holding equities with several steel enterprises. Because of the close cooperation with steel companies and our pioneering spirit, which can ensure us stay at the top competition, and ensure our customers get what they really want. Our company is specialized in Special steel bars and Steel tube products. They are classified as following: Special steel bars: carbon steel, alloy steel, mould steel, tool steel, gear steel, bearing steel, spring steel, high temperature steel, and stainless steel, etc. Steel tube products: general structure pipe, fluid pipe, mechanical processing pipe, oil tubing, casing pipe, line pipe and high pressure boiler tube, stainless steel pipe etc. We can supply steel products in China's National Standard, European Standard, American Standard and other national standard, etc. Please speak out your needs to us, and we will do our best and offer you our best reply! Let's expect China's steel product would ensure you to your good business development!</p>