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Shigang Jingcheng Equipment Development & Manufacturing Co., Ltd
Home>Products>Rolled Bar
Rolled Bar

Rolled Bar

Release Time:2016-01-21 13:09:32 Reading Times:11339 [ Font Size:Large Medium Small ]
1. Introduction
This big alloy steel  bar mill was put into production in October, 2014. Its product focuses on offering middle sized high-end special steel for automobile, engineering, equipment, and shipbuilding and etc.
2. Specifications
specifications delivery condition steel  category
Round bar ∮80~350 Rolled/Annealing/QT High quality carbon steel/ alloy tool steel/carbon tool steel/pipeline steel
∮80~200 Rolled/Annealing Bearing steel
Square and flat bar 150~280×150~280 Rolled/Annealing High quality alloy steel/ alloy tool steel/carbon tool steel
3. Process Flow
4. Product Standards
Category Grade Different Material Standards Specification(mm) Production standards
ASTM/SAE/AISI JIS DIN
High quality carbon steel 20~45 1020, 1045 S20C, S45C C22, C22E, CK22, C45, C45E, CK45 ∮80~350
150~280×150~280
GB, ASTM, JIS, DIN or customer specified requirements
Alloy steel 40Mn2, 40Cr 42CrMoA 4140 SCr440, SCM440 42CrMo4 ∮80~350
150~280×150~280
GB, ASTM, JIS,DIN or customer specified requirements
Gear steel 40CrH, 20CrMnTi,  20CrMoH, 20CrNiMoH 4120H, 8620H SCr440H, SCM420H, SCM822H 16CrNi4, 19CN5, 16~28MnCr5 ∮80~350
150~280×150~280
GB, ASTM, JIS, DIN or customer specified requirements
Non-QT steel F48MnV, F40MnVS,  12Mn2VB, C38N2 ∮80~350
150~280×150~280
GB, ASTM, JIS, DIN or customer specified requirements
Bearing steel GCr15, GCr15SiMn, GCr18Mo 52100 SUJ2, SUJ3,  SUJ4 100Cr, 100CrMo6 ∮80~200 GB or customer specified requirements
Spring steel 60Si2CrVA, 60Si2MnA and etc. 9260H SUP6 60SiCr7 ∮80~350
150~280×150~280
GB or customer specified requirements
Pipeline steel 37Mn5, L290, 29Mn2, 12Cr1MoVG, P91, P92 ∮80~350 GB or customer specified requirements
Alloy tool steel 5CrMnMo, 5CrNiMo, 4Cr5MoSiV1 and etc. L6, H13 SKT4 40CrMnMo7, 55NiCrMoV6, X40CrMoV51 ∮80~350
150~280×150~280
GB or customer specified requirements
5. Product Quality Level
Category Grade Chemical component Non-metallic Inclusion Hardenability
HRC


P≤
(%)
S≤
(%)
[O] ≤
(ppm)
A
thin≤
A
heavy
B
thin≤
B
heavy
C
thin
C
heavy
D
thin≤
D
heavy
Ds≤
Carbon steel SAE1045, S45C, CK45, 45 0.015 0.005 20 1.5 1.0 1.5 1.0 0 0 1.5 1.0
Alloy steel 42CrMo, 40Cr 0.015 0.005 20 1.5 1.0 1.5 1.0 0 0 1.5 1.0 1.5
Pipeline steel 37Mn5, L290, 29Mn2, 12Cr1MoVg 0.015 0.005 20 1.5 1.0 1.5 1.0 0 0 1.5 1.0
Gear steel 20CrMoH, 20CrMnTiH, 20CrNiMoH 0.015 0.005 20 1.5 1.0 1.5 1.0 0 0 1.5 1.0 ≤6
SCM420H, SCM822H 0.015 0.005 20 1.5 1.0 1.5 1.0 0 0 1.5 1.0 ≤6
Spring steel 60Si2CrVA 0.015 0.005 20 1.5 1.0 1.5 1.0 0 0 1.5 1.0
Bearing steel GCr15 0.015 0.005 10 1.0 0.5 1.0 0.5 0 0 1.0 0.5 1.0

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