K31835
2019-12-05 09:40:28 Origin： Remark：0 Click：
Standard Specification of forged or rolled alloy and stainless steel pipe flanges,forged fittings,and valves and parts for high temperature service K31835 datasheet, K31835 Chemical compositions, K31835 Mechanical property from Steelmaking, ESR melted, Blooming, Hot forging, Hot rolling, Heat treatment, Straightening, 100% Ultrasonic test, Cold working or rough turned machining. Technical specification - ASTM A182 - 2018.
TECHNICAL DATA SHEET - Grade K31835
MATERIAL TECHNICAL STANDARDS: ASTM A182 - 2018
MATERIAL TYPE: 2.25Cr - 1.0Mo - 0.3V Alloy steel
CHEMICAL COMPOSITION (WEIGHT %)
C (％): 0.11~ 0.15
CHEMICAL COMPOSITION (WEIGHT %)
C (％): 0.11~ 0.15
Mn (％): 0.30 ~ 0.60
Si (％): ≤ 0.10
Si (％): ≤ 0.10
P (％)≤: 0.015
S (％)≤: 0.010
Cr (%): 2.00 ~ 2.50
Mo (%): 0.90 ~ 1.10
S (％)≤: 0.010
Cr (%): 2.00 ~ 2.50
Mo (%): 0.90 ~ 1.10
Ni (%): ≤ 0.25
Nb (%): ≤ 0.07
Ti (%): ≤ 0.030
Cu (%): ≤ 0.20
V (%): 0.25 ~ 0.35
Ca (%): ≤ 0.015
TYPICAL MECHANICAL PROPERTIES
Tensile strength, σb/≥ MPa: 585 ~ 780
Yield strength, σ0.2/MPa: 415
Elongation, δ ≥(％): 18.0
Reduction of area, ф ≥ (％): 45.0
Hardness via heat treatment /HBW: 174 ~ 237
Reduction of area, ф ≥ (％): 45.0
Hardness via heat treatment /HBW: 174 ~ 237
HEAT TREATMENT PRACTICE
Condition: normalize and tempered 900 Deg. C
Cooling medium: air cool
Tempering temperature: 675 Deg. C
PRODUCT DESCRIPTION
Round bar / Wire rod (Diameter): 5.50mm to 600mm
Square bar / Flat bar: 10mm to 700mm
Length: Fixed length or random length or based on the customer's special requirement.
Heavy/middle plate via hot rolled: T50 ~ 400mm X W100 ~ 1000mm X L1000 ~ 3500mm
Forging piece: stepped shafts with flanks / discs /tubes /slugs /donuts /cubes /other different shapes based on OEM.
Round bar / Wire rod (Diameter): 5.50mm to 600mm
Square bar / Flat bar: 10mm to 700mm
Length: Fixed length or random length or based on the customer's special requirement.
Heavy/middle plate via hot rolled: T50 ~ 400mm X W100 ~ 1000mm X L1000 ~ 3500mm
Forging piece: stepped shafts with flanks / discs /tubes /slugs /donuts /cubes /other different shapes based on OEM.
TECHNICAL SALES ASSISTANCE & SERVICE
If you meet further on any technical inquiry. pleased to EMAIL ( lh.steel@hotmail.com ) our resident team of qualified production engineers.
If you meet further on any technical inquiry. pleased to EMAIL ( lh.steel@hotmail.com ) our resident team of qualified production engineers.
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