EN10025-2--S275JR Technical and Additional Service

A kind of steel under the standard of EN10025-2, it is S275JR.The grade can be bolted, riveted and welded in a full range of structural and fabricated items including bridges, box girders, cranes and other general structural projects. The minimum yield strength of the grade for thicknesses less than or equal to 16mm.JR suffixes refer to impact requirements.

S275JR Application:
This are common mild steel/carbon steel plate for structural, manufacturing plant, machinery, mining equipment and vehicles, excavators, loader, bulldozers, crane, mining hydraulic supports, construction, power plant, sugar mill, palm oil mill, oil and gas, port equipments, fans, drilling rigs, power shovel and other structural parts. Heat analysis shall be used to determine the required chemical composition for carbon. Manganese, phosphorus, sulfur, silicon, and copper. Tensile strength, yield strength, and elongation shall be evaluated using tension test.

S275JR Suffixes means:
JR symbol 20 temperature impact test.
J0 symbol 0 temperature impact test
J2 symbol -20 temperature impact test

S275JR Technical and Additional Services:
Low temperature impacting test
Rolling under standard NACE MR-0175 (HIC+SSCC)
Ultrasonic test under EN 10160,ASTM A435,A577,A578
Issued Orginal Mill test certificate under EN 10204 FORMAT 3.1/3.2
Shot blasting and Painting, Cutting and welding as per end user’s demands

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The influence of alloy composition on the properties of steel

Carbon:

Exist in all of the steel, is one of the most important hardening elements. Help to increase the strength of the steel, steel has more than 5% of carbon, known as the high carbon steel.

Chromium:

Increase the wear resistance, hardness, corrosion resistance, is the most important owns more than 13% of the thought to be stainless steel. Despite the so called, if maintain undeserved, all steel will rust.

Manganese:

Important elements, helps to generate texture structure, increase the robustness, and strength, and wear resistance. In the process of heat treatment and roll pressure make steel internal DNA.

Molybdenum:

Carbonation agent, prevent steel brittle, maintain the strength of the steel in high temperature, appeared in a lot of steel, hardened steel air always molybdenum containing 1% or more, so that they can harden in the air.

Nickel:

Maintain strength, corrosion resistance, and toughness.

Silicon:

Help to enhance strength. As well as manganese, silicon in steel production process is used to maintain the strength of the steel.

Tungsten:

Increase abrasion resistance. Mix and the appropriate proportion of chrome or manganese tungsten used in the manufacture of high speed steel.

Vanadium:

Enhance the wear resistance and ductility. A kind of vanadium carbide used in the manufacture of stripe steel.

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30CrMo steel Heat treatment, 30CrMo steel tube/pipe

30CrMo steel with high strength and toughness, high hardenability, quenching in the oil critical diameter of 15 ~ 70mm; steel thermal strength is better, below 500 ℃ with sufficient high temperature strength, but 550 ℃ when its The strength is decreased significantly; when the 30CrMo alloy elements in the lower limit of welding is quite good, but close to the upper limit of welding medium, and to be preheated to more than 175 ℃; 30CrMo steel can be machinable, cold deformation of plastic medium; In the heat treatment, there is a first type of temper brittleness in the range of 300 to 350 ° C.

30CrMo Chemical composition:
C：0.26～0.34
Si：0.17～0.37
Mn：0.40～0.70
Cr：0.80～1.10
Mo：0.15～0.25
P：≤0.035
S：≤0.035
Ni：≤0.030
Cu：≤0.030

30CrMo Heat treatment [Sample blank size (mm): 25]:
The first quenching heating temperature (℃): 880; Coolant: water, oil
Second quenching heating temperature (℃): -
Tempering heating temperature (℃): 540; Coolant: water, oil
Tensile strength (σb / MPa): ≥930
Yield point (σs / MPa): ≥785
Elongation at break (δ5 /%): ≥12
Section shrinkage (ψ /%): ≥50
Impact absorption work (Aku2 / J): ≥63
Brinell hardness (HBS100 / 3000) (annealing or high temperature tempering state) ≤ 229

30CrMo Applications:
30CrMo steel is usually used in the quenched and tempered state, when the lower limit of carbon content of steel can also be used as the requirements of the heart strength of the higher carburizing steel.

30CrMo in the medium-sized machinery manufacturing industry is mainly used in the manufacture of large cross-section, high stress conditions in the work of quenched and tempered parts, such as shaft, spindle and by high-load steering wheel, bolts, studs,

30CrMo used in the chemical industry in the manufacture of welded parts, sheet metal and pipe welded structure and work in the presence of nitrogen and hydrogen medium temperature does not exceed 250 ℃ high-pressure catheter;

30CrMo in the steam turbine, boiler manufacturing industry for the manufacture of 450 ℃ the following fasteners,? 500 ℃ by the following high-pressure flange and nut, especially suitable for the manufacture of 300 atmospheres, 400 ℃ below the work of the catheter.

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S355K2G3 Steel plate

S355K2G3 normalized delivery conditions, G3 said normalized. S355K2G3 steel plate under low temperature impact performance is good. S355J2G3 Steel Charpy V-notch impact test Longitudinal 27 Joules - 150 mm thickness at -20˚C, V-notch impact test Longitudinal 40 Joules - 20˚C. The S355K2G3 is used in transmission towers, forestry machinery, railway wagons, pipelines, highway bridges, building structures, oil and gas platforms, marine structures, shipbuilding, lifting equipment and port equipment.


Katalor supplies a large number of S355K2G3 monthly stock, if you are interested in purchasing S355K2G3, please contact us.

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JIS G4051 steel coil and plate--S45C

S45C is a kind of super heavy steel for mould .with carbon content over 0.4%，with excelling in weldability and machinability ,but the ductility decreases, quenching distortion and cracking easily, so the heat treatment for S45C steel material is very important, and must be rapid cooling after tempering, to avoid the temper brittleness.S45C available as rolled or normalised. Supplied as square bar, or round bar or flat.

S45C Chemical Composition:
Carbon (C) : 0.42% – 0.48%
Silicon (Si) : 0.15% – 0.35%
Manganese (Mn) : 0.6% – 0.9%
Phosphorus (P) : 0.030% Max
Sulphur (S) : 0.035% Max

S45C Mechanical Properties:
Density (kg/m3) 7700-8030
Young’s Modulus (GPa): 190-210
Tensile Strength (Mpa): 569 (Standard) 686 (Quenching, Tempering)
Yield Strength (Mpa): 343 (Standard) 490 (Quenching, Tempering)
Poisson's ratio: 0.27-0.30

S45C Heat Treatment:
The following temperature ranges are applicable for the respective heat treatment operations.
Full Annealing: 800 - 850°C
Normalising: 840 – 880°C
Hardening: 820 – 860°C
Quenching medium Water or Oil
Tempering : 550 – 660°C

The customers of S45C steel are mainly concentrated in Europe, the Region of the Americas and Middle East. Shanghai Katalor Enterprises Co., Ltd. have a large number of S45C steel stock in all sizes. If you want to know more details of our stock list and any information about S45C steel, please feel free to contact us.

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ASTM A515 Grade 60 steel plate application process

A515gr55/60/65/70 steel plate is one mainly of Steel for Boilers and Pressure Vessels, A515gr55/60/65/70 covers steel plates of intermediate tensile strength for pressure vessels to be operated at intermediate or higher temperatures. The four grades offer excellent combinations of strength, weldability and toughness to permit designers flexibility in the design of pressure vessels coming under the jurisdiction of the ASME Pressure Vessel Code.

ASTM A515 Grade 60 steel equivalent material

China	Japanese	Germany	France	Italy	Sweden	UK
GB 713 20g	JIS G3103 SB410	DIN 1715 1.0425	A48 CP,AP,FP	Fe 460-2-KW	SS21,02,01	Gr 360,400

ASTM A515 Grade 60 Mechanical Property

Grade
	Thickness	Yield	Tensile	Elongation
A515 Grade 60	mm	Min Mpa	Mpa	Min %
	200	220	415-550	21
	50			25

Additional technical services for A515 Gr.60 boiler steel plate from Xinsteel which including Heat treatment(Normalized,TMCP,Quenched and Tempered,N+T),Z-test (Z15,Z25,Z35),Ultrasonic Examination,Low temperature impacting test,DWTT,PWHT and cutting&welding into special pieces for end users.

Product type : ASTM A515 Grade 60 steel plate
Delivery time : Promptly ( Stock) or 10-40 days (Production)
Stock : Available
MTC: Available
Payment Term : T/T or L/C At sight .

As the professional Chinese ASTM A515 Grade 60 steel plate supplier, Katalor will supply you the ASTM A515 Grade 60 steel plate with good quality and complete after-sale service and the lowest price. We committed to exceed customer’s expectation on the basis of quality, price, and delivery. We sincerely hope to establish long-term cooperation relations with you on the basis of mutual benefit, reciprocity and common development. So if you need any help, please be free to contact us. We will give you the best quote of ASTM A515 Grade 60 steel plate.

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ASME SA724 Grade D steel application process price

ASME SA724 Grade D steel process:Heat treatment facilities for hot-rolled, controlled rolling, normalizing, annealing, tempering, quenching, normalizing plus tempering, quenching and tempering.

Steel Grade : SA724 Gr D
Dimension range :
Thickness :1.5mm -260mm
Width :1000mm-4000mm
Length :1000mm-18000mm
MOQ: 1 PC
Delivery time : 10-40 days (Production)
Stock : Unavailable
MTC: Available
Payment Term : T/T or L/C At sight

Katalor is the professional Chinese ASME SA724 Grade D steel supplier .If you need ASME SA724 Grade D steel , we can put the ASME SA724 Grade D steel order to our steel mill directly or collect these goods from our stock directly if we have enough ex-stock .Besides. if you need any offer or if you want to know the price and any other information about ASME SA724 Grade D steel price, please be free to contact us.

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ASME SA724 Grade A steel heat treatment, ASME SA724 Grade A steel application price

ASME SA-724 Grade A steel,ASME SA-724 Grade A steel plates/sheets,ASME SA-724 Grade A Q&T carbon steel plates for pressure vessels

ASME SA724 Grade A steel Specification :
ASME SA724 Grade A in the standard ASME SA-724/SA-724M is a kind of carbon steel plates material used to fabric welded multilayer pressure vessels. ASME SA724 Grade A is also a (Quenching + Tempering) steel material. ASME SA724 have three types,they are: SA724 grade A, SA724 grade B, and SA724 grade C .

ASME SA724 Grade A steel plate specification:
Thickness: 6MM to 300MM,
Width: 1500mm to 4050mm,
Length: 3000mm to 15000mm

As the professional Chinese ASME SA724 Grade A steel plate supplier, we will supply our customers the best quality with the competitive price ,the best service and rapid delivery time. If you purchase the ASME SA724 Grade A steel plate, we support you to pay a visit to our company and do inspection. If you have any need, you are welcome to contact me .We are sincerely looking for your cooperation.

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ASME SA737 Grade C steel supplier price

SA737 Grade B,ASME SA737 Grade B,SA737 Grade B high strength low alloy steel plates,SA737 Grade B for fabric pressure vessels,SA737 Grade B high strength low alloy steel plates for pressure vessels

Our advantages:
large quantity product inventory, various pecifications, reasonable  price, fast delivery, high prestige.

ASME SA737 Grade C Steel Technical Requirements    
Detection, Z15 - Z35 thickness direction performance requirements, high strength and high toughness requirements, etc

ASME SA737 Grade C Steel Application 
Alloy structure steel: used to make all kinds of alloy structure and its components, such as boiler superheater collection box, large diameter tube harden component.

As the professional Chinese ASME SA737 Grade C Steel supplier, Katalor will supply you the ASME SA737 Grade C Steel with good quality and complete after-sale service and the lowest price. We committed to exceed customer’s expectation on the basis of quality, price, and delivery. We sincerely hope to establish long-term cooperation relations with you on the basis of mutual benefit, reciprocity and common development. So if you need any help, please be free to contact us. We will give you the best quote of ASME SA737 Grade C Steel.

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ASTM A387 Grade 21L steel application, ASTM A387 Grade 21L steel price

ASTM A387 Grade 21 L is in the standard ASTM A-387/A-387M . A387 Grade 21 L is a kind of Cr-Mo-alloy steel plates material used to fabric high temperature pressure vessels.

ASTM A387 Grade 21 L steel chief application :
ASTM A387 Grade 21L pressure vessel steel is widely used in petroleum, chemical industry, power station, boiler, etc.

Product type : ASTM A387 Grade 21 L steel plate
Delivery time : Promptly ( Stock) or 10-40 days (Production)
Stock : Available
MTC: Available
Payment Term : T/T or L/C At sight .

ASTM A387 Grade 21 L steel platemanufacturer in China ,we are professional ASTM A387 Grade 21 L steel plate suppliers and distributor ,if you need ASTM A387 Grade 21 L steel plate price and application ,please contact us.

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SAE 4140 Steel pipe Heat treatment

SAE 4140 steel pipe with medium strength, has high resistance to fatigue. Better hardenability in larger cross sections, resistance to fatigue and fracture. Applicable to the construction industry Supporting structure, Stent, Rod, Gas and liquid transfer equipment and so on.

SAE 4140 Heat treatment:
Annealing: The treatment should be done at the temperature of 850 ° C for at least 1 hour for every 25 mm. Cool slowly in the oven.

Standardization: The treatment should be done at the temperature of 870 – 900 ° C for at least 1 hour for every 25 mm. Cool air. In special cases can use forced air.
Temper: austenize in temperature between 840 – 870ºC. Heat for 1 hour for each 25 mm thick and add 1 additional hour for each 25 mm. Cool in oil or polymer. Cooling polymer leads to smaller dimensional change and improved microstructural homogeneity.
Tempering: It must be done immediately after hardening when the temperature reaches ~ 70 ° C. The tempering temperature must be selected according to the hardness specified in the component. For this use the tempering curve. Keeping the tempering temperature for at least 1 hour for each 25 mm thick and used for at least two hours. No tempering between 230-370ºC because of weakness to tempering.

Nitriding: The steel can be nitrided to increase the wear resistance of the surface hardening. The maximum hardness depends on the precondition of heat treatment. benefit components before nitriding have better hardening characteristic reaching next maximum hardness of 800 HV. It is recommended hardening depth of between 0.30 and 0.60 mm.
Surface Hardening: Can be performed by flame or induction process to hardness greater than 55 HRC.

Shanghai Katalor Enterprises Co., Ltd. can provide customers with high quality SAE 4140 steel pipe, our SAE 4140 steel pipe has a large number of spot inventory, and we also can a variety of steel processing equipment to meet the different needs of customers, if you are interested in purchasing SAE 4140 steel pipe, please contact Katalor.

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steel pipe

API 5L : Gr. B, X 42, X 52, X 60, X 65, X 70, X 80,stainless steel pipes 201,202,301,310,316,316L,410
Main grade of Steel pipe we can offer:
API 5L : Gr. B, X 42, X 52, X 60, X 65, X 70, X 80
stainless steel pipes 201,202,301,310,316,316L,410


Pipe and tube Size Range:
1) Round pipe diameter: 8mm-3000mm, thickness: 0.4-60.0mm
2) Square tube: 10 x 10mm-1000 x 1000mm, thickness: 0.6-60.0mm
3) Rectangle tube: 15 x 10mm-800 x 500mm, thickness: 0.6-60.0mm
B: Surface finish: black, blank, bright and galvanized, or painted 
C: Length of each pipe: 500mm-16,000mm 
D: Steel grade: 10#, 20#, A106B, A53B, Q195 Q235, Q345, ST37-2, ST52, S235, S355, SS400, A1010, SAE1045, X40, X60, A312, 304, 316 etc


Steel pipe conforms to international standards, like: ASTM A53, ASTM A500, ASTM A513, ASTM A312, BS1387, DIN2391, DIN2394, DIN17175, JIS G3452, EN10210, EN10219, EN10025, EN10305 etc.


Development of production technology steel (Steel pipe) began manufacturing bicycles in the rise of the early 19th century, the development of petroleum, ship during the two world wars, boilers, aircraft manufacturing, manufacturing after World War II thermal power boilers, chemical industrial development and oil and gas drilling and transportation, have a strong impetus to the development of the steel industry in the variety, yield and quality. 
Steel is not only used to transport fluid and powdered solids, heat exchange, manufacture of mechanical parts and containers, it is an economical steel. Building structure with a steel pipe manufacturing grid, pillars and mechanical support, can reduce weight, save 20 to 40 percent of metal, and can achieve mechanized factory construction. With a steel pipe manufacturing steel highway bridges not only save simplify construction, and can greatly reduce the area coated with a protective layer, save investment and maintenance costs.
Shanghai Katalor Enterprises Co., Ltd has one of the widest steel plate product range in the world.Steel pipe offered by Shanghai Katalor Enterprises Co., Ltd is in very high quality to support the requirements of those engaged in large projects. We have years of experience in the export of steel pipe,Steel pipe exports to the rest of the world, praised from all sides, if you need steel pipe or steel pipe are interested,please contact us as soon as possible.

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A335P9 steel pipe Treatment

A335P9 steel pipe is an alloy steel pipe suitable for working in high temperature environment. A335P9 contains a lot of chemical elements like nickel, tungsten, molybdenum, chromium, silicon, manganese, vanadium and small quantities of a few commonly used elements such as sulphur , Silicon and phosphorous. These elements enhance the strength and chemical resistance of A335P9.

A335P9 Heat Treatment:
A / N+T
N+T / Q+T
N+T

A335P9 Surface treatment:
Oil-dip, Varnish, Passivation, Phosphating, Shot Blasting.
Both ends of each crate will indicate the order no., heat no., dimensions, weight and bundles or as requested.

A335P9 Inspection and Test:
Chemical Composition Inspection, Mechanical Properties Test(Tensile Strength,Yield Strength, Elongation, Flaring, Flattening, Bending, Hardness, Impact Test), Surface and Dimension Test,No-destructive Test, Hydrostatic Test.

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API 5l X80 psl 2 Steel pipe/tube

API 5l X80 psl 2 grade high strength low alloy steels pipe with with good toughness at low temperatures and better weldability to be produced, with high mechanical strength, good weldability and low hardenability,  suitable for manufacturing pipes used in transporting many different kinds of fluids under pressure, such as oil and its derivatives

API 5l X80 psl 2 Application: 
Buildings, infrastructure, tools, ships, automobiles, machines and appliances are all made from steel. Steel is frequently used because it is durable and safe. Building materials underground may be susceptible to rotting and pests. Since steel is non-combustible and makes it harder for fire to spread, it is good to use when building homes.

API 5L Line Pipe Specifications for these pipes regulate usage for standard Grade A and Grade B pipes, with Grade X indicating stronger variants for drilling, production and transport requirements for offshore, arctic, deep well or harsher environments. Katalor can help supply all of the API 5L X 80 PSL 2 Pipe or linepipe supplies that your company needs for use in the oil or natural gas industries.

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S355K2G3 Steel plate

S355K2G3 normalized delivery conditions, G3 said normalized. S355K2G3 steel plate under low temperature impact performance is good. S355J2G3 Steel Charpy V-notch impact test Longitudinal 27 Joules - 150 mm thickness at -20˚C, V-notch impact test Longitudinal 40 Joules - 20˚C. The S355K2G3 is used in transmission towers, forestry machinery, railway wagons, pipelines, highway bridges, building structures, oil and gas platforms, marine structures, shipbuilding, lifting equipment and port equipment.

S355K2G3 Physical properties:

S355K2G3	≤ 16	> 16 ≤ 40	> 40 ≤ 63	> 63 ≤ 80	> 80 ≤ 100	> 100 ≤ 150	> 150 ≤ 200	> 200 ≤ 250	> 250
Yield strength (≥Mpa)	355	345	335	325	315	295	285	275	265
	< 3	≥ 3 ≤ 100				> 100 ≤ 150	> 150 ≤ 250		> 250
Tensile strength (Mpa)	510-680	470-630				450-600	450-600		450-600

S355K2G3 Chemical composition:

Thickness(mm)	C	Si	Mn	P	S	N	Cu
T≤16	0.20	0.55	1.60	0.025	0.025	...	0.55
16<T≤40	0.20
40<T	0.22

Katalor supplies a large number of S355K2G3 monthly stock, if you are interested in purchasing S355K2G3, please contact us.

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