15CrMo steel plate is a beaded body tissue heat resistant steel, with a high heat strength (δb≥440MPa) and antioxidant, and has a certain resistance to hydrogen corrosion. 15CrMo steel plate is a beaded body tissue heat resistant steel, with a high heat strength (δb≥440MPa) and antioxidant, and has a certain resistance to hydrogen corrosion. 15CrMo steel plate is a bea Ngam cïmën de cïmën de cïmën de cïmën de cïmën de cïmën de cïmën de cïmën de cïmën de cïmën de cïmën de cïmën de cïmën de cïmën de cïmën de cïmën de cïmën de cïmën de cï

15CrMo welding

<unk> Welding Material

Kä ye kek looi në 15CrMo steel,

Solution I: Welding preheating, using ER80S-B2L welding wire, T1G welding bottom, E8018-B2 welding bar, welding bar arc welding cover, after welding for local heat treatment.

Thermal treatment after welding

Lɔ̈ɔ̈m ë thëm ë thëm ë thëm ë thëm ë thëm ë thëm ë thëm ë thëm ë thëm ë thëm ë thëm ë thëm ë thëm ë thëm ë thëm ë thëm ë thëm ë thëm ë thëm ë thëm ë thëm ë thëm Fɛɛrɛ ye kɛ̈ɛ̈r ye kɛ̈ɛ̈r ye kɛ̈ɛ̈r ye kɛ̈ɛ̈r ye kɛ̈ɛ̈r ye kɛ̈ɛ̈r ye kɛ̈ɛ̈r ye kɛ̈ɛ̈r ye kɛ̈ɛ̈r JL-4 type track type electric heater (1146×310) ye kɔnɔ ye kɔnɔ ye kɔnɔ ye kɔnɔ ye kɔnɔ ye kɔnɔ ye kɔnɔ ye kɔnɔ ye kɔnɔ ye kɔnɔ ye kɔnɔ ye kɔnɔ ye kɔnɔ ye kɔnɔ ye kɔnɔ ye kɔnɔ ye kɔnɔ ye kɔnɔ ye kɔnɔ ye kɔnɔ.

Welding Process Assessment Test Results

Test scheme Tension test Bending test Impact toughness test aky (J/cm2)

Strength of tensile δb/Mpa fracture area Bending angle Face bending Back bending Welding seam Fusion line Heat impact zone (HAZ)

Program I 550/530 ye raan ye raan ye raan ye raan ye raan ye raan ye raan ye raan ye raan ye raan ye raan ye raan ye raan ye raan ye raan ye raan ye raan ye raan ye raan Kualifikasyon Kualifikasyon 84.8 162 135.6

Program II 525/520 ye kɔc ye kɔc ye kɔc ye kɔc ye kɔc ye kɔc ye kɔc ye kɔc ye kɔc ye kɔc ye kɔc ye kɔc ye kɔc ye kɔc Kualifikasyon Kualifikasyon 79.4 109.2 96.7

15CrMo welding process

2.1 Kä ye kek looi

Në kë de 15CrMo steel weldability ku jɔl ya tɛ̈n yenë yen tɛ̈n yenë yen tɛ̈n yenë yen tɛ̈n yenë yen tɛ̈n yenë yen tɛ̈n yenë yen tɛ̈n yenë yen tɛ̈n yenë yen tɛ̈n yenë yen tɛ̈n yenë yen t

Solution I: Welding preheating, using ER80S-B2L welding wire, T1G welding bottom, E8018-B2 welding bar, welding bar arc welding cover, after welding for local heat treatment.

Solution II: ER80S-B2L welding wire, T1G welding bottom, E309Mo-16 welding bar, welding bar fill arc welding cover, no heat treatment after welding. Chemical composition and mechanical properties of welded wires and welded bars are shown in Table 1. Kä ye kek looi ku kä ye kek looi

Table 1 Chemical composition and mechanical properties of welding materials

型号 C Mn Si Cr Ni Mo S P δb/Mpa δ,%

ER80S-B2L≤0.05 0.70.41.2 <0.20.5 ≤0.025 ≤0.025 ≤500 25

E8018-B2 0.070.7 0.3 1.1 0.5 ≤0.04 ≤0.03 550 19

E309Mo-16≤0.12 0.5～2.5 0.9 22.0～25.0 12.0～14.0 2.0～3.0≤0.025≤0.035 550 25

2.2 Luɔ̈ɔ̈i ka tɛ̈n

Testing ye 15CrMo steel tube, specification ye φ325 × 25, slope type and size see Figure 1.

Masin ye cɔl angle grinder ye cɔl angle grinder ye cɔl angle grinder ye cɔl angle grinder ye cɔl angle grinder ye cɔl angle grinder ye cɔl angle grinder ye cɔl angle grinder ye cɔl angle grinder ye cɔl angle grinder ye cɔl angle grinder ye cɔl angle grinder ye cɔl angle grinder ye cɔl

A ye tɛmɛ tɛmɛ tɛmɛ tɛmɛ tɛmɛ tɛmɛ tɛmɛ tɛmɛ tɛmɛ tɛmɛ tɛmɛ tɛmɛ tɛmɛ tɛmɛ tɛmɛ tɛmɛ tɛmɛ tɛmɛ tɛmɛ tɛmɛ tɛmɛ tɛmɛ tɛmɛ

Table 2 Welding bar baking specifications

Weld bar model baking temperature insulation time

E8018-B2 300 ℃ 2h

E309Mo-16 150 ℃ 1.5h

Parametre luɔɔi

Ka tɛ̈n yenë yen tɛ̈n yenë yen tɛ̈n yenë yen tɛ̈n yenë yen tɛ̈n yenë yen tɛ̈n yenë yen tɛ̈n yenë yen tɛ̈n yenë yen tɛ̈n yenë yen

To = 350√[C]-0.25 (℃) Formula, To <unk> Preheating Temperature, ℃.

[C]=[C]x [C]p [C]p=0.005S[C]x

[C]x=C (Mn Cr)/9 Ni/18 7Mo/90

[C]x <unk> carbon equivalent ye kɔnɔ;

[C]p <unk> carbon equivalent ye dït; S <unk> Thickness of test piece (S=25mm në athöör kënë);

[C]x=C （Mn Cr）/9 7/90Mo=0.361

[C]p=0.045 To=138℃

O kama, a tɛmɛ 150°C. Oxygen-acetylene flame ye tɔ̈ɔ̈u në tɛmɛ̈ɛ̈r de tɛmɛ̈ɛ̈r de tɛmɛ̈ɛ̈r de tɛmɛ̈ɛ̈r de tɛmɛ̈ɛ̈r de tɛmɛ̈ɛ̈r de tɛmɛ̈ɛ̈r de tɛmɛ̈ɛ̈r de tɛmɛ̈ɛ̈r de tɛmɛ

Loktu ye welding, a fɔlɔ ye tungsten argon arc welding ye, walasa ka welding ye, ka welding ye, ka welding ye, ka welding ye, ka welding ye, ka welding ye, ka welding ye, ka welding ye, ka welding ye, ka welding ye, ka welding ye, ka welding ye, ka welding ye, ka welding ye, ka welding ye, ka welding ye, ka welding ye Kä ye kek looi aye kek looi, ye kek looi, ye kek looi, ye kek looi, ye kek looi, ye kek looi, ye kek looi, ye kek looi, ye kek looi, ye kek looi, ye kek looi. Kä ye kek looi në luɔɔi de welding ye kek looi në luɔɔi de welding ye kek looi në luɔɔi de welding ye kek looi në luɔɔi de welding ye kek looi në luɔɔi de welding Welding according to scheme I

Table 3 Parameters of welding process for scheme I (Parameters of welding process for scheme I) (Parameters of welding process for scheme I) (Parameters of welding process for scheme I) (Parameters of welding process)

Welding name Welding method Welding material Welding material specifications/mm Welding current/A arc voltage/V preheating and interlayer temperature Thermal treatment specifications

Tungsten plate argon arc welding ER80S-B2L φ2.4 110 12

Filling layer welding bar arc welding E8018-B2 φ3.2 5 85~90 23~25150℃ 715. ×75min

Cover layer Welding bar arc welding E8018-B2 φ3.2 5 85~90 23~25

Table 4 Parameters of welding process for scheme II (Parameters of welding process for scheme II) (Parameters of welding process for scheme II)

Welding name Welding method Welding material Welding material specifications/mm Welding current/A arc voltage/V preheating and interlayer temperature Thermal treatment specifications

Tungsten plate argon arc welding ER80S-B2L φ2.4 110 12

Filling layer Welding bar arc welding E309Mo-16 φ3.2 90~95 22~24 //

Cover layer Welding bar arc welding E309Mo-16 φ3.2 90~95 22~24

Ka tɛmɛ, ka tɛmɛ ka tɛmɛ ka tɛmɛ ka tɛmɛ ka tɛmɛ ka tɛmɛ ka tɛmɛ ka tɛmɛ ka tɛmɛ ka tɛmɛ ka tɛmɛ ka tɛmɛ ka tɛmɛ ka tɛmɛ ka tɛmɛ ka tɛmɛ ka tɛmɛ ka t

2.4 Luɔi ye looi

3 Welding process evaluation test

Ka tɛmɛ ka tɛmɛ ka tɛmɛ ka tɛmɛ ka tɛmɛ ka tɛmɛ ka tɛmɛ ka tɛmɛ ka tɛmɛ ka tɛmɛ ka tɛmɛ ka tɛmɛ ka tɛmɛ ka tɛmɛ ka tɛmɛ ka tɛmɛ ka JB4708 "Steel Pressure Container Welding Process Assessment" ye tɛmɛ në tɛmɛ në tɛmɛ në tɛmɛ në tɛmɛ në tɛmɛ në tɛmɛ në tɛmɛ në tɛmɛ në tɛmɛ. Kä ye yök, tïŋ Tabel 5.

Table 5 Welding Process Assessment Test Results

Test scheme Tension test Bending test Impact toughness test aky (J/cm2)

Strength of tensile δb/Mpa fracture area Bending angle Face bending Back bending Welding seam Fusion line Heat impact zone (HAZ)

Program I 550/530 ye raan ye raan ye raan ye raan ye raan ye raan ye raan ye raan ye raan ye raan ye raan ye raan ye raan ye raan ye raan ye raan ye raan ye raan ye raan Kualifikasyon Kualifikasyon 84.8 162 135.6

Program II 525/520 ye kɔc ye kɔc ye kɔc ye kɔc ye kɔc ye kɔc ye kɔc ye kɔc ye kɔc ye kɔc ye kɔc ye kɔc ye kɔc ye kɔc Kualifikasyon Kualifikasyon 79.4 109.2 96.7

Ka tɛmɛ tɛmɛ tɛmɛ tɛmɛ tɛmɛ tɛmɛ tɛmɛ tɛmɛ tɛmɛ tɛmɛ tɛmɛ tɛmɛ tɛmɛ tɛmɛ tɛmɛ tɛmɛ tɛmɛ tɛmɛ tɛm A kɔrɔ bɛ̈ɛ̈r bɛ̈ɛ̈r bɛ̈ɛ̈r bɛ̈ɛ̈r bɛ̈ɛ̈r bɛ̈ɛ̈r bɛ̈ɛ̈ Në kë de kä ye kek tɛ̈n yenë kek tɛ̈n yenë kek tɛ̈n yenë kek tɛ̈n yenë kek tɛ̈n yenë kek tɛ̈n yenë kek tɛ̈n yenë kek tɛ̈n yenë kek tɛ̈n yenë kek tɛ̈n yenë kek tɛ̈n yenë kek tɛ̈n yenë kek tɛ̈n A ŋa'a tɛ̈n yenë a looi në tɛmɛ̈ɛ̈r de ɣööt yiic, a lëu bï a looi në tɛmɛ̈ɛ̈r de ɣööt yiic yiic. Fɛɛrɛ I ye kɛ̈ɛ̈r ye kɛ̈ɛ̈r ye kɛ̈ɛ̈r ye kɛ̈ɛ̈r ye kɛ̈ɛ̈r ye kɛ̈ɛ̈r ye kɛ̈ɛ̈r ye kɛ̈ɛ̈r ye kɛ̈ɛ̈r ye Kɔnɔŋ ye kɔnɔŋ ye kɔnɔŋ ye kɔnɔŋ ye kɔnɔŋ ye kɔnɔŋ ye kɔnɔŋ ye kɔnɔŋ ye kɔnɔŋ ye kɔnɔŋ ye kɔnɔŋ ye kɔnɔŋ ye kɔnɔŋ ye kɔnɔŋ Solution II ye luɔɔi de austenitic stainless steel welding bar welding, cɔk tɛ̈n yen bɛ se ka tɛ̈n yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen Ku, ka tɛmɛ tɛmɛ tɛmɛ tɛmɛ tɛmɛ tɛmɛ tɛmɛ tɛmɛ tɛmɛ tɛmɛ tɛmɛ tɛmɛ tɛmɛ tɛmɛ tɛmɛ

4 Dɔŋ

15CrMo steel thick wall high pressure tubes welding can be done using two welding schemes. 15CrMo steel thick wall high pressure tubes welding can be done using two welding schemes. 15CrMo steel thick wall high pressure tubes welding can be done using two welding schemes. Walasa ka tɛmɛ yen tɛmɛ yen tɛmɛ yen tɛmɛ yen tɛmɛ yen tɛmɛ yen tɛmɛ yen tɛmɛ yen tɛmɛ yen tɛmɛ yen tɛmɛ yen tɛmɛ yen tɛmɛ yen tɛmɛ yen tɛmɛ yen tɛmɛ yen tɛ

Solution II, man bɛ se ka tɛmɛ ka tɛmɛ ka tɛmɛ ka tɛmɛ ka tɛmɛ ka tɛmɛ ka tɛmɛ ka tɛmɛ ka tɛmɛ ka tɛmɛ ka tɛmɛ ka tɛmɛ ka tɛmɛ ka tɛmɛ ka tɛmɛ ka tɛmɛ ka tɛmɛ ka tɛmɛ

15crmo steel plate weight calculation formula: length × width × thickness × 0.00785 = kg/m

Kɔrɔ ye yellow

15CrMo alloy steel plate is a second rolled rolled a second outer ring began to yellow yet not rust. Ye kë ye?

Në ye mɛn, 15CrMo alloy steel plate surface oxide iron skin, ye tɔ̈u në ye mɛn, ye tɔ̈u në ye mɛn, ye tɔ̈u në ye mɛn, ye tɔ̈u në ye mɛn, ye tɔ̈u në ye mɛn, ye tɔ̈u në ye mɛn, ye tɔ̈u në ye mɛn, ye tɔ̈u në ye mɛn A ye kë ye cɔl finished surface quality. Japan acï bɛ̈ɛ̈i bɛ̈ɛ̈i bɛ̈ɛ̈i bɛ̈ɛ̈i bɛ̈ɛ̈i bɛ̈ɛ̈i bɛ̈ɛ̈i bɛ̈ɛ̈i bɛ̈ɛ̈i bɛ̈ɛ̈i bɛ̈ɛ Kɛ misal, hydrochloric acid ye kɛ̈ɛ̈r ye:

FeCl_2+2H_2O=Fe(0H) _2+2HCl (1) Acid Washing Process

2Fe(OH) _2+O_2=2FeO·OH+H_2O (2)

Formula ((1) ye nyuɔɔth tɛ̈n yenë yen tɛ̈n yenë yen tɛ̈n yenë yen tɛ̈n yenë yen tɛ̈n yenë yen tɛ̈n yenë yen tɛ̈n yenë yen tɛ̈n yenë yen tɛ̈n yenë yen

Formula ((2) ye steel plate ye daminɛ ka tɔ̈ɔ̈u, ka Fe ((OH) _2 oxide, ka tɔ̈ɔ̈u ka tɔ̈ɔ̈u ka tɔ̈ɔ̈u ka tɔ̈ɔ̈u ka tɔ̈ɔ̈u ka tɔ̈ɔ̈u ka tɔ̈ɔ FeO·OH ye rot looi në 15CrMo alloy steel plate surface.

Kimikal

Chemical Composition

Brand Chemical composition (mass fraction) (%)

C Mn Si Cr Mo Ni Nb+Ta S P

15CrMo 0.12~0.18 0.40~0.70 0.17~0.37 0.80~1.10 0.40~0.55 ≤0.30 _ ≤0.035 ≤0.035

Mekanik

Brand Strength MPa yield point MPa elongation (%)

15CrMo 440~640 235 21

Misal Application

Petroleum, petrochemical, high pressure boilers, etc., special purpose seamless tubes are boiler seamless tubes, geology seamless steel tubes and oil seamless tubes and so on

Specifications ye looi

Material Specifications Thickness * Width * Length (mm) Can be set Rolling All over the country Steel factory Weight (ton) Name

15crmo 8*1500-4200*6000-18800M 198.65T alloy structure steel plate

15crmo 12*1500-4200*6000-18800M 186.618T alloy structure steel plate

15crmo 25*1500-4200*6000-18800M 258.366T alloy structure steel plate

15crmo 30*1500-4200*6000-18800M 241.624T alloy structure steel plate

15crmo 45*1500-4200*6000-18800M 263.254T Alloy Structure Steel Plate

15crmo 55*1500-4200*6000-18800M 283.318T Alloy Structure Steel Plate

15crmo 60*1500-4200*6000-18800M 169.563T alloy structure steel plate

15crmo 70*1500-4200*6000-18800M 569.356T alloy structure steel plate

15crmo 80*1500-4200*6000-18800M 231.315T alloy structure steel plate

15crmo 90*1500-4200*6000-18800M 341.318T alloy structure steel plate

15crmo 100*1500-4200*6000-18800M 461.318T Alloy Structure Steel Plate

15crmo 110*1500-4200*6000-18800M 598.359T alloy structure steel plate

15crmo 120*1500-4200*6000-18800M 431.621T Alloy Structure Steel Plate

15crmo 130*1500-4200*6000-18800M 388.654T alloy structure steel plate

15crmo 140*1500-4200*6000-18800M 348.351T alloy structure steel plate

15crmo 150*1500-4200*6000-18800M 645.982T Alloy Structure Steel Plate