Active Member
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[China]
Address: Room 1109, Loft Office, Green Land International Plaza, No. 275-8 Guoding East Road, Shanghai 200433, P.R. China. (admin(a)shunitesteel.com)
Contact name:Eric
SHANGHAI UNITE STEEL |
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Non - Corrosive Use Alloy Steel Tube , Cold Drawn Seamless Tube +QT 30ΧΓСΑ / 30CrMnSiA
Main Features
High strength adjustable structural steel. It has high strength and toughness, high hardenability, medium cold deformation and good cutting performance. There is a tendency of temper brittleness, and the transverse impact toughness is poor. Welding performance is good, but the thickness is greater than 3 mm, should be preheated to 150 ℃, need to heat treatment after welding. After general adjustment, use.
Chemical composition (%)
Grade | C | Si | Mn | Cr |
30ΧΓСΑ / 30CrMnSiA | 0.27-0.34 | 0.90-1.20 | 0.80-1.10 | 0.80-1.10 |
Applications
It is used to make parts that are wear-resistant, low temperature, and variable load, such as the vane, valve plate and non-corrosive pipe of the high pressure blower.
Heat treatment
Quenching heating temperature (℃) : 880; Coolant: oil
Tempering temperature (℃) : 520; Coolant: water, oil
Mechanical Properties
Tensile strength (sigma b/MPa) : ≥1100
Yield point (sigma/MPa) : ≥800
Length of elongation (delta 5/ %) : ≥10
Area reduction (psi / %) : ≥45
Impact absorption work (Aku2 / J) : ≥50
Brinell hardness (hbs100/3000) (annealing or high temperature
tempering) : ≤229
Package
1. Bundle Packing.
2. Plain end or vanished as per customer's request.
What we can offer?
-We offer a wide range of steel products in a wide variety of dimensions and executions, according to the common international specifications or customize.
-Machining and heat treatment are available.
-Also, we advise you in choosing the right materials.
Quality Assurance
Below inspection will be done in the production.
(1) ray detection---RT;
(2) ultrasonic testing---UT;
(3) Magnetic Particle Testing-MT;
(4) penetration testing-PT;
(5) eddy current flaw detection-ET
Package
In standard export packing and seaworthy material with hexagon shape bundle, covered with tarpaulin, in containers or in bulk, or upon request
Payment & Delivery
1. Both T/T and L/C will be acceptable
2. Trade Terms: FOB, CIF, CFR
3. The delivery will be in 10-15 days if have stock; For customized items, the delivery will be negotiated by both parties
4. Shipping by sea freight from Shanghai Port (PRC) for Bulk orders, by airfreight or express for samples
Shanghai Unite Steel Trading Co., Ltd
We are committed to integrate engineering steel resources in china and serve the global engineering 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.
In the aspect of resources and information, we have established cooperative and stronger relationship with nearly hundred enterprises, either state-owned or private owned in china.
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!
Q: Are you a manufacturer or merely a trader?
A: We are group of companies and owned manufacturer
bases and trading company. We specialized in special
steel which include alloy structural steel and carbon steel
and stainless steel, etc. All material are
with high quality and competitive price.
Q: How do you guarantee the quality of your product?
A: Firstly, we can provide the certificates from the third party,
such as TUV, CE, if you need. Secondly, we have a complete set
of inspection system and every process is checked by QC. Quality is
the lifeline of enterprise survival.
Q: Delivery time?
A: We have ready stock for most of material grades in our
warehouse. If the material doesn't have stock, the delivery lead
time is about 5-30 days after receiving your prepayment or
firm order.
Q: What is the payment term?
A: T/T or L/C.
Q: Can we visit your company and factory?
A: Yes, warmly welcome! We can book the hotel for you before you
come to China and arrange our driver to our airport to pick you up
when you come.
