Although steel overcapacity. Iron and steel industry investment in fixed assets continued to grow. According to the National Bureau of Statistics. A quarter of the national steel industry has invested 92.4 billion yuan in fixed assets. An increase of 7.3%. Steel inventories showed a monthly increase trend. To the end of March, the nation's major steel market, the main varieties of steel social inventory increased compared with the end of more than 1,000 tons, an increase of more than 80%.

When it comes to how to resolve the overcapacity problem. Steel Association Deputy Secretary-General Li Chong expressed. Very serious pollution problem in the country currently. The steel industry should further strengthen environmental governance. Can really resolve the overcapacity problem. While promoting fair competition among steel enterprises.

Coupled April HSBC China Manufacturing PMI final value of 50.4, the market is expected to be 50.5, the former value of 51.6. Data show that China's manufacturing 6 consecutive months of expansion, but the rate of expansion is slowing down. Industry Running a slight improvement. Output and new order growth Jie. But slowdown. The new export orders in the first time this year contraction. Although seven consecutive months above the critical point. But below market expectations. The market mentality is undoubtedly a huge blow. Steel industry PMI index was 45.1%. The chain rose 0.5 percentage points. But in the two consecutive months below 50% of the ups and downs of the line. Description of the current situation in the domestic steel market as a whole remains weak. But the market positive factors increase the previous month.

This led to two major economic data on Thursday, screw the price fell below 3600 points in one fell swoop. Disk weakness filling. SCREW 10 lower opening 3550. Day low of around 3550 platform weak finishing. Days, the highest 3573. Minimum 3530. 3542 income. Down 94 down 2.59%. Funds face neutral. API 5L pipe volume decline slightly over the previous day. Positions increased 129,000 hands. In fact, last week's inventory data view. Downstream demand has improved compared with the previous. Thread aspect is the most obvious. But May Day "mini vacation" before the holiday does not appear large-scale collective purchasing. So that businesses have been a little lost. At the moment the first day after the holiday opening. All kinds of bad news out. It is in a doubly them.

API 5L line pipe generally refers --API 5L line pipe, line pipe is put out of the ground oil, gas, water, transport by pipeline to pipe oil and gas industry enterprises. Linepipe including seamless and welded steel pipe, the pipe end has a blunt end, threaded end and socket end; its connection as welding, coupling, socket connections

Technology

With the development of technology and pipeline steel pipe forming, welding technology advances, the line gradually expanding the scope of application with the pipe, particularly in the large-diameter pipe group from within the range of advantages more apparent wet, plus the cost factor, is pipe in the field of line pipe dominant position, limiting the development of stainless steel seamless line pipe. 2004 Seamless line pipe production of about 400 000 t, including steel grade X42-70, varieties onshore pipeline and subsea pipeline.

API5L line pipe production at present is the use of micro-alloying heat treatment process, stainless steel seamless pipe production costs are significantly higher, and with the steel grade improvement, such as the X80 grade steel pipeline above limit carbon equivalent, seamless pipe conventional process is difficult to meet user requirements; present the 12Cr1moV alloy pipe production plant in order to improve its pipeline corrosion resistance, low temperature, high temperature environment stable performance and carry out research work. In this regard, Pangang Group Chengdu Iron & Steel Co., Ltd. has begun the transformation process.

API 5L Line Pipe Technical Data




 

Pipeline
Applications:	Used to convey gas, water, oil and natural gas.
Size (mm):	O.D.: 21.3-610mm for ERW, OD 10.3nmm – 762mm for Seamless

 

Grade and Chemical Composition (%)

Standard	Grade	Chemical Composition(%)
		C	Mn	P	S
	B	≤0.28	≤1.20	≤0.030	≤0.030
	X42	≤0.28	≤1.30	≤0.030	≤0.030
	X46, X52	≤0.28	≤1.40	≤0.030	≤0.030

 

Mechanical Properties (MPa) (PSL1):

Standard	Grade	(MPa)		(MPa)		A%
API SPEC 5L	PSL1
	≥
		psi	MPa	psi	MPa	MIN(%)
	B	35,000	241	60,000	414	21~27
	X42	42,000	290	60,000	414	21~27
	X46	46,000	317	63,000	434	20~26
	X52	52,000	359	66,000	455	20~24

 

Grade and Chemical Composition (%)

Standard	Grade	(MPa)		(MPa)		A%	(J)
API SPEC 5L	PSL2
		Min	Max	Min	Max		Min
	B	241	448	414	758	21~27	41(27)
	X42	290	496	414	758	21~27	41(27)
	X46	317	524	434	758	20~26	41(27)
	X52	359	531	455	758	20~24	41(27)

 

Mechanical Properties (MPa) (PSL2):

Standard	Grade	Chemical Composition(%)
		C	Mn	TI	P	S
	B	≤0.24	≤1.20	≤0.04	≤0.025	≤0.015
	X42	≤0.24	≤1.30	≤0.04	≤0.025	≤0.015
	X46, X52	≤0.24	≤1.40	≤0.04	≤0.025	≤0.015

Analysis of the reason why the price of hot galvanized steel pipe rose sharply. The main factor is that the pre-sale price below the cost of production of the median line. Some companies were forced to cut production losses. Statistics show. The first two months of this year the country's crude steel production fell 5.7%. Hot dip galvanized steel production fell 2.1%. at the same time. "To buy up not to buy down" the law of the market also makes the rapid decline of the social stock. Significantly lower than the reasonable level. Resulting in supply and demand tend to balance. Not only that. Global iron ore and energy prices, also fell to a median cost line. The high cost of production have been out of the market. Promote smelting raw materials, energy and shipping prices bottoming out. Thus. National hot galvanized steel prices to rise this year. Its main influencing factors and characteristics in terms. Or belong to the price oversold lows after. Instead of hot galvanized steel pipe market full reversal. That is. Pre-galvanized steel prices fall too far. Lower than the median cost line. And ultimately lead to market mechanisms for hot dip galvanized steel supply mandatory suppressed. Thus laying the foundation to rise hot galvanized steel pipe prices.

Generally, the full reversal of the market price of hot-dip galvanized steel. It must be a significant change in supply and demand fundamentals. For example, consumer demand growth. Or steel production (not yield) of a large number of exit. The overall supply and demand tend to balance even tight. Now. Although the authorities have a lot of investment projects approved. The total investment of more than 4 trillion yuan. But not yet fully and promptly started. According to the statistics. This year 1--2 months. National investment in fixed assets (excluding rural households) increased by 10.2%. Growth rate down 3.7 percentage points over the same period last year. Over last year's fourth quarter, just 0.7 percentage points. At a low level in years. In February this year, before the above-scale industrial added value of an actual increase of 5.4%, this value has dropped to its lowest level in 2009. Year hot dip galvanized steel pipe exports decreased by 1.3%. Hot dip galvanized steel supply. Now we can see only the decrease in production. But the huge production capacity still exists. Capacity just to put on the agenda. You can truly have a lot of uncertainty. Especially in the face of hot dip galvanized steel prices rose and pale. therefore. Hot dip galvanized steel market has not yet fully reverse the condition.